Persons: Ikramov, Saidhakim Dododzhanovich

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Ikramov, Saidhakim Dododzhanovich

Total publications:	407 (405)
in MathSciNet:	280 (280)
in zbMATH:	269 (269)
in Web of Science:	127 (127)
in Scopus:	186 (186)
Cited articles:	187
Citations:	964

Number of views:
This page:	21349
Abstract pages:	82900
Full texts:	38664
References:	13977

Professor

Doctor of physico-mathematical sciences (1991)

Speciality:

01.01.07 (Computing mathematics)

Birth date:

28.03.1943

E-mail:

Website:

https://cs.msu.ru/persons/651

Keywords:

matrices, eigenvalues, similarity transformations, congruence transformations.

Subject:

Linear algebra, computational linear algebra.

https://www.mathnet.ru/eng/person28610

List of publications on Google Scholar

https://zbmath.org/authors/ai:ikramov.kh-d|ikramov.khakim-d

https://mathscinet.ams.org/mathscinet/MRAuthorID/189925

ISTINA

https://istina.msu.ru/workers/440233

List of scientific publications:

scientific publications

by years

by types

by times cited

common list

		Citations (Crossref Cited-By Service + Math-Net.Ru)


2024
1.	Kh. D. Ikramov, V. N. Chugunov, “O nevyrozhdennykh resheniyakh matrichnogo uravneniya $XAX = AXA$ i tsentralizatore matritsy $A$”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2024, no. 2, 25–30
2.	Kh. D. Ikramov, A. M. Nazari, “How a unitoid matrix loses its unitoidness?”, Sib. Zh. Vychisl. Mat., 27:3 (2024), 277–286
3.	V. N. Chugunov, Kh. D. Ikramov, “New classes of solutions of the $\sigma$-commutation problem ($\sigma\ne0$, $\pm1$) for Toeplitz and Hankel matrices within a unified approach”, Comput. Math. Math. Phys., 64:7 (2024), 1413–1430
4.	Kh. D. Ikramov, “The simultaneous reduction of a pair of unitoid matrices to diagonal form revisited”, Comput. Math. Math. Phys., 64:5 (2024), 905–907
5.	V. N. Chugunov, Kh. D. Ikramov, “Deriving known particular solutions of the $\sigma$-commutation problem $(\sigma\ne0, \pm1)$ for a Toeplitz and a Hankel matrix within a unified approach”, Comput. Math. Math. Phys., 64:1 (2024), 36–44
6.	Kh. D. Ikramov, A. M. Nazari, “A nonsingular matrix with a well-conditioned cosquare: how to bring IT to diagonal form by a congruence transformation”, Comput. Math. Math. Phys., 64:12 (2024), 2770–2779

2023
7.	Kh. D. Ikramov, “On the simultaneous reduction of a pair of unitoid matrices to diagonal form”, Comput. Math. Math. Phys., 63:2 (2023), 184–186
8.	Kh. D. Ikramov, “O normalnykh i binormalnykh matritsakh”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2023, no. 1, 28–31
9.	Kh. D. Ikramov, “Congruences and unitary congruences in matrix theory”, Journal of Mathematical Sciences (N.Y.), 272:6 (2023), 766–773
10.	Kh. D. Ikramov, “On a new type of unitoid matrices”, Comput. Math. Math. Phys., 63:6 (2023), 929–933
11.	Kh. D. Ikramov, “O ratsionalnykh algoritmakh raspoznavaniya prinadlezhnosti klassam kongruentnosti”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2023, no. 3, 23–26
12.	Kh. D. Ikramov, “Pseudo-commutation classes of complex matrices and their decomplexification”, Sib. Zh. Vychisl. Mat., 26:2 (2023), 199–203
13.	V. N. Chugunov, Kh. D. Ikramov, “On a particular solution of the $\sigma$-commutation problem $(\sigma\ne0,\pm1)$ for Toeplitz and Hankel matrices”, Comput. Math. Math. Phys., 63:11 (2023), 2038–2049
14.	Kh. D. Ikramov, “Involutions and coninvolutions”, Sib. Zh. Vychisl. Mat., 26:4 (2023), 379–388

2022
15.	Kh. D. Ikramov, “On matrices whose cosquares are diagonalizable and have real spectra”, Sib. Zh. Vychisl. Mat., 25:1 (2022), 53–57
16.	Kh. D. Ikramov, “On the congruence centralizers of a block diagonal matrix and the Horn–Sergeichuk matrix”, Comput. Math. Math. Phys., 62:2 (2022), 198–200
17.	Kh. D. Ikramov, “O neobychnom kriterii normalnosti nevyrozhdennykh matrits”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2022, no. 1, 9–12
18.	Kh. D. Ikramov, V. N. Chugunov, “Diagonalizuemye matritsy kak rezultat odnorangovogo vozmuscheniya nilpotentnykh matrits”, Vestnik Moskovskogo universiteta. Seriya 15: Vychislitelnaya matematika i kibernetika,, 2022, no. 2, 17–21
19.	S. D. Ikramov, “Canonical angles of normal matrices and theorems of the Wielandt–Hoffman and J.-g. Sun type”, Comput. Math. Math. Phys., 64:10 (2022), 1586–1589
20.	Kh. D. Ikramov, A. M. Nazari, “On the sensitivity of the canonical angles of a unitoid matrix”, Sib. Zh. Vychisl. Mat., 25:4 (2022), 403–408
21.	Kh. D. Ikramov, “On a nontrivial situation with pseudounitary eigenvalues of a positive definite matrix”, Computational methods and algorithms. Part XXXV, Zap. Nauchn. Sem. POMI, 514, POMI, St. Petersburg, 2022, 55–60

2021
22.	Kh. D. Ikramov, “Kriterii kongruentnosti nevyrozhdennykh matrits s teoretiko-gruppovoi tochki zreniya”, Vestnik Moskovskogo universiteta. Seriya 15: Vychislitelnaya matematika i kibernetika,, 2021, no. 1, 15–18
23.	Kh. D. Ikramov, A. M. Nazari, “A rational algorithm for checking the congruence of unitoid matrices”, Num. Anal. Appl., 14:2 (2021), 145–154
24.	Kh. D. Ikramov, “On Matrices Having $J_m(1)\oplus J_m(1)$ as the Cosquare”, Math. Notes, 110:1 (2021), 73–80
25.	S. D. Ikramov, “On the calculation of the $T$-congruence centralizer”, Comput. Math. Math. Phys., 61:3 (2021), 347–350
26.	Kh. D. Ikramov, A. M. Nazari, “Symplectic eigenvalues and singular values of symmetric matrices”, Computational methods and algorithms. Part XXXIV, Zap. Nauchn. Sem. POMI, 504, POMI, St. Petersburg, 2021, 61–69
27.	Kh. D. Ikramov, “Special congruences of symmetric and Hermitian matrices and their invariants”, Computational methods and algorithms. Part XXXIV, Zap. Nauchn. Sem. POMI, 504, POMI, St. Petersburg, 2021, 54–60
28.	Kh. D. Ikramov, “On matrices with pairwise orthogonal rows and columns”, Computational methods and algorithms. Part XXXIV, Zap. Nauchn. Sem. POMI, 504, POMI, St. Petersburg, 2021, 47–53
29.	Kh. D. Ikramov, “Spektralnye osobennosti proizvedenii spetsialnykh matrits”, Vestnik Moskovskogo universiteta. Seriya 15: Vychislitelnaya matematika i kibernetika,, 2021, no. 4, 17–20
30.	Kh. D. Ikramov, “On the set of matrices having $J_n(1)$ as the cosquare”, Comput. Math. Math. Phys., 61:11 (2021), 1743–1749

2020
31.	Kh. D. Ikramov, “O teplitsevom i polyarnom razlozheniyakh involyutivnoi matritsy”, Vestnik Moskovskogo universiteta. Seriya 15: Vychislitelnaya matematika i kibernetika, 2020, no. 2, 19–22
32.	Kh. D. Ikramov, “Congruences and unitary congruences in matrix theory”, Proceedings of the XVII All-Russian Youth School-Conference «Lobachevsky Readings-2018», November 23-28, 2018, Kazan. Part 1, Itogi Nauki i Tekhniki. Ser. Sovrem. Mat. Pril. Temat. Obz., 175, VINITI, Moscow, 2020, 19–26
33.	Kh. D. Ikramov, “On the dimension of the congruence centralizer”, Dokl. Math., 102:1 (2020), 276–278
34.	Kh.D. Ikramov, V.A. Usov, “Algoritm, proveryayuschii kongruentnost kompleksnykh matrits pri nalichii unimodulyarnykh sobstvennykh chisel v spektre kokvadratov”, Vestnik Moskovskogo universiteta. Seriya 15: Vychislitelnaya matematika i kibernetika, 2020, no. 4, 18–26
35.	Kh. D. Ikramov, “Specific features of cosquares of special matrices in indefinite metric spaces”, Computational methods and algorithms. Part XXXIII, Zap. Nauchn. Sem. POMI, 496, POMI, St. Petersburg, 2020, 101–103
36.	Kh. D. Ikramov, “The structure of solutions of the matrix equation $J_n(0) Y + Y^{\mathsf{T}} J_n(0) = 0$ for even $n$”, Computational methods and algorithms. Part XXXIII, Zap. Nauchn. Sem. POMI, 496, POMI, St. Petersburg, 2020, 97–100
37.	Kh. D. Ikramov, “Congruence of unitary matrices”, Computational methods and algorithms. Part XXXIII, Zap. Nauchn. Sem. POMI, 496, POMI, St. Petersburg, 2020, 94–96
38.	Kh. D. Ikramov, “Congruence verification for involutive matrices”, Computational methods and algorithms. Part XXXIII, Zap. Nauchn. Sem. POMI, 496, POMI, St. Petersburg, 2020, 87–93
39.	S. D. Ikramov, A. M. Nazari, “A heuristic rational algorithm for checking the congruence of normal matrices”, Comput. Math. Math. Phys., 60:10 (2020), 1601–1608

2019
40.	Kh. D. Ikramov, “O metode bisektsii dlya normalnykh matrits”, Doklady Akademii nauk, 485:6 (2019), 659–661
41.	Kh. D. Ikramov, “Kvadratnye korni iz ermitovykh matrits i ratsionalnyi algoritm dlya proverki ikh kongruentnosti”, Vestnik Moskovskogo universiteta. Seriya 15: Vychislitelnaya matematika i kibernetika,, 2019, no. 3, 11–16
42.	Kh. D. Ikramov, “Certain localization regions for the eigenvalues of a normal matrix”, Comput. Math. Math. Phys., 59:8 (2019), 1233–1235
43.	Kh. D. Ikramov, “Congruence criteria for normal and conjugate-normal matrices”, Computational methods and algorithms. Part XXXII, Zap. Nauchn. Sem. POMI, 482, POMI, St. Petersburg, 2019, 129–134
44.	Kh. D. Ikramov, “Rationally verifiable necessary conditions for Hermitian congruence of complex matrices”, Computational methods and algorithms. Part XXXII, Zap. Nauchn. Sem. POMI, 482, POMI, St. Petersburg, 2019, 120–128
45.	Kh. D. Ikramov, “An attempt of spectral theory for the $*$-congruence transformations”, Computational methods and algorithms. Part XXXII, Zap. Nauchn. Sem. POMI, 482, POMI, St. Petersburg, 2019, 114–119
46.	A. K. Abdikalykov, Kh. D. Ikramov, “Similarity automorphisms of the space of Hankel matrices”, Computational methods and algorithms. Part XXXII, Zap. Nauchn. Sem. POMI, 482, POMI, St. Petersburg, 2019, 5–12

2018
47.	Kh. D. Ikramov, “O simplekticheskikh sobstvennykh znacheniyakh polozhitelno opredelennykh matrits”, Vestnik Mosk. un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2018, no. 1, 3–6
48.	Kh. D. Ikramov, Yu. O. Vorontsov, “Chislennoe reshenie polulineinogo matrichnogo uravneniya tipa Steina v normalnom sluchae”, Vestnik Mosk. un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2018, no. 2, 3–6
49.	S. D. Ikramov, “Solving Systems of Linear Equations with Normal Coefficient Matrices and the Degree of the Minimal Polyanalytic Polynomial”, Math. Notes, 104:1 (2018), 48–52
50.	Ikramov Kh.D., “O vychislenii izotropnogo podprostranstva simmetrichnoi kvaziopredelennoi matritsy”, Vestnik Mosk. un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2018, no. 3, 3–5
51.	Kh. D. Ikramov, “On congruent selection of the Jordan blocks from a singular square matrix”, Num. Anal. Appl., 11:3 (2018), 204–207
52.	Kh. D. Ikramov, “O parametrakh singulyarnoi chasti regulyarizuyuschego razlozheniya Sergeichuka-Khorna”, Doklady Akademii nauk, 481:1 (2018), 7–9	1 ^[x]
53.	Kh. D. Ikramov, Yu. O. Vorontsov, “Numerical solution of the discrete BHH-equation in the normal case”, Num. Anal. Appl., 11:4 (2018), 293–297
54.	A. K. Abdikalykov, Kh. D. Ikramov, “Similarity and consimilarity automorphisms of the space of Toeplitz matrices”, Zap. Nauchn. Sem. POMI, 472, 2018, 5–16
55.	Kh. D. Ikramov, “On a finite algorithm for calculating neutral subspaces of skew-symmetric matrices”, Computational methods and algorithms. Part XXXI, Zap. Nauchn. Sem. POMI, 472, POMI, St. Petersburg, 2018, 98–102
56.	Kh. D. Ikramov, “Pseudo-orthogonal eigenvalues of skew-symmetric matrices”, Computational methods and algorithms. Part XXXI, Zap. Nauchn. Sem. POMI, 472, POMI, St. Petersburg, 2018, 92–97
57.	Kh. D. Ikramov, “A rational criterion for congruence of square matrices”, Computational methods and algorithms. Part XXXI, Zap. Nauchn. Sem. POMI, 472, POMI, St. Petersburg, 2018, 88–91

2017
58.	Kh. D. Ikramov, “Checking the Congruence between Accretive Matrices”, Math. Notes, 101:6 (2017), 969–973
59.	Kh. D. Ikramov, “O vychislenii neitralnykh podprostranstv kvadratnoi matritsy”, Vestnik Mosk. un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2017, no. 1, 13–15
60.	V. N. Chugunov, Kh. D. Ikramov, “O klassifikatsii par antiperestanovochnykh teplitsevoi i gankelevoi matrits”, Doklady Akademii nauk, 476:3 (2017), 272–275	1 ^[x]
61.	V. N. Chugunov, Kh. D. Ikramov, “A description of pairs of the quasi-commuting Toeplitz and Hankel matrices”, Num. Anal. Appl., 10:4 (2017), 358–361
62.	Kh. D. Ikramov, Yu. O. Vorontsov, “Chislennoe reshenie matrichnykh uravnenii Silvestra s normalnymi koeffitsientami”, Vestnik Mosk. un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2017, no. 4, 3–6

2018
63.	Kh. D. Ikramov, V. N. Chugunov, “Description of pairs of anti-commuting Toeplitz and Hankel matrices”, J. Math. Sci. (N. Y.), 232:6 (2018), 848–891
64.	Kh. D. Ikramov, “The minimal and characteristic polyanalytic polynomials of a normal matrix”, J. Math. Sci. (N. Y.), 232:6 (2018), 844–847
65.	Kh. D. Ikramov, “The CMV-matrix and the generalized Lanczos process”, J. Math. Sci. (N. Y.), 232:6 (2018), 837–843
66.	Kh. D. Ikramov, “Binormal matrices”, J. Math. Sci. (N. Y.), 232:6 (2018), 830–836

2016
67.	A. K. Abdikalykov, Kh. D. Ikramov, V. N. Chugunov, “A Duality Relation for Unitary Automorphisms in the Spaces of Toeplitz and Hankel Matrices”, Math. Notes, 99:1 (2016), 3–8
68.	Kh. D. Ikramov, “Non-Hermitian Matrices of Even Order and Neutral Subspaces of Half the Dimension”, Math. Notes, 100:5 (2016), 720–723
69.	Kh. D. Ikramov, V. N. Chugunov, “On conditions for permutability of Toeplitz and Hankel matrices”, Comput. Math. Math. Phys., 56:3 (2016), 354–357
70.	Kh. D. Ikramov, “An analysis of the matrix equation $AX+\overline{X}B=C$”, Comput. Math. Math. Phys., 56:9 (2016), 1536–1539
71.	V. N. Chugunov, Kh. D. Ikramov, “Classification of real pairs of commuting Toeplitz and Hankel matrices”, Num. Anal. Appl., 9:4 (2016), 359–368
72.	Kh. D. Ikramov, “O konechnom ratsionalnom algoritme, proveryayuschem kongruentnuyu diagonalizuemost kvadratnoi matritsy”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2016, no. 2, 3–5

2017
73.	Kh. D. Ikramov, “The congruence centralizer of the Sergeichuk–Horn matrix”, J. Math. Sci. (N. Y.), 224:6 (2017), 883–889
74.	Kh. D. Ikramov, “The congruence centralizer of a block diagonal matrix”, J. Math. Sci. (N. Y.), 224:6 (2017), 877–882
75.	Kh. D. Ikramov, “On the congruent centralizer of the Jordan block”, J. Math. Sci. (N. Y.), 224:6 (2017), 869–876
76.	Kh. D. Ikramov, “Decomposing pseudounitary and centrounitary matrices”, J. Math. Sci. (N. Y.), 224:6 (2017), 861–868

2015
77.	V. N. Chugunov, Kh. D. Ikramov, “Permutability of Toeplitz and Hankel matrices”, Linear Algebra and Its Applications, 467 (2015), 226–242	8 ^[x]
78.	Kh. D. Ikramov, “Toeplitz-plus-Hankel circulants are reducible to block diagonal form via unitary congruences”, Linear Multilinear Algebra, 63:4 (2015), 862–867	1 ^[x]
79.	A. K. Abdikalykov, V. N. Chugunov, Kh. D. Ikramov, “Unitary congruence automorphisms of the space of Toeplitz matrices”, Linear Multilinear Algebra, 63:6 (2015), 1195–1203	3 ^[x]
80.	Kh. D. Ikramov, “Usloviya normalnosti lineinykh matrichnykh operatorov tipa Steina”, Doklady Akademii Nauk, 460:3 (2015), 269–271
81.	Kh. D. Ikramov, “Normality conditions for the BHH matrix operator”, Linear Multilinear Algebra, 63:9 (2015), 1901–1908
82.	Kh. D. Ikramov, V. N. Chugunov, “How to characterize $(T+H)$-matrices and $(T+H)$-circulants”, Comput. Math. Math. Phys., 55:2 (2015), 175–178
83.	V. N. Chugunov, Kh. D. Ikramov, “A complete solution of the permutability problem for Toeplitz and Hankel matrices”, Linear Algebra and Its Applications, 478 (2015), 53–80	1 ^[x]
84.	Kh. D. Ikramov, “O sobstvennykh vektorakh teplitsevykh matrits”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2015, no. 2, 25–28
85.	Kh. D. Ikramov, “Unitary Automorphisms of the Space of Hankel Matrices: II. The Case of Even Order”, Math. Notes, 98:1 (2015), 90–97
86.	V. N. Chugunov, Kh. D. Ikramov, “O klassifikatsii par perestanovochnykh teplitsevoi i gankelevoi matrits”, Doklady Akademii Nauk, 464:4 (2015), 406–410
87.	A. K. Abdikalykov, Kh. D. Ikramov, V. N. Chugunov, “Unitarnye avtomorfizmy prostranstva (T+N)-matrits poryadka 4”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2015, no. 4, 3–6
88.	Kh. D. Ikramov, “Normality conditions for semilinear matrix operators of the Stein type”, Num. Anal. Appl., 8:4 (2015), 299–303
89.	A. K. Abdikalykov, V. N. Chugunov, Kh. D. Ikramov, “Unitary automorphisms of the space of Toeplitz-plus-Hankel matrices”, Special matrices, 3 (2015), 58–68
90.	Kh. D. Ikramov, “Normality conditions for the matrix operator X —> AX + X*B”, Calcolo, 52:4 (2015), 495–502

2016
91.	Kh. D. Ikramov, “Isolation of the regular part of a singular matrix pencil as a rational algorithm”, J. Math. Sci. (N. Y.), 216:6 (2016), 792–794
92.	Kh. D. Ikramov, “How to check whether given square matrices are congruent?”, J. Math. Sci. (N. Y.), 216:6 (2016), 787–791
93.	Kh. D. Ikramov, “Neutral subspaces of complex matrices”, J. Math. Sci. (N. Y.), 216:6 (2016), 783–786
94.	A. K. Abdikalykov, Kh. D. Ikramov, “On the eigenvalues of certain classes of normal Toeplitz-plus-Hankel matrices”, J. Math. Sci. (N. Y.), 216:6 (2016), 725–729

2014
95.	Kh. D. Ikramov, “O razreshimosti odnogo klassa polutoralineinykh matrichnykh uravnenii”, Doklady Akademii Nauk, 454:1 (2014), 265–267	1 ^[x]
96.	Yu. O. Vorontsov, Khakim D. Ikramov, “Numerical solution of the matrix equations $AX+X^TB=C$ and $AX+X^*B=C$ in the self-adjoint case”, Comput. Math. Math. Phys., 54:2 (2014), 191–194
97.	Yu. O. Vorontsov, Kh. D. Ikramov, “Numerical solution of the matrix equation $X-A\overline{X}B=C$ in the self-adjoint case”, Comput. Math. Math. Phys., 54:3 (2014), 379–381
98.	Kh. D. Ikramov, “O razreshimosti odnogo klassa kvadratichnykh matrichnykh uravnenii”, Doklady Akademii Nauk, 455:2 (2014), 135–137
99.	A. K. Abdikalykov, Kh. D. Ikramov, V. N. Chugunov, “On eigenvalues of $(T+H)$-circulants and $(T+H)$-skew-circulants”, Num. Anal. Appl., 7:2 (2014), 91–103
100.	Kh. D. Ikramov, “Unitarnye avtomorfizmy prostranstva teplitsevykh matrits”, Doklady Akademii Nauk, 456:4 (2014), 389–391	2 ^[x]
101.	Kh. D. Ikramov, V. N. Chugunov, A. K. Abdikalykov, “O lokalnykh usloviyakh, kharakterizuyuschikh mnozhestvo (T+N)-matrits”, Doklady Akademii nauk, 457:1 (2014), 17–18
102.	Yu. O. Vorontsov, Kh. D. Ikramov, “Numerical solution of matrix equations of the Stein type in the self-adjoint case”, Comput. Math. Math. Phys., 54:5 (2014), 745–749
103.	A. K. Abdikalykov, Kh. D. Ikramov, V. N. Chugunov, “Unitarnye kongruentsii i gankelevy matritsy”, Doklady Akademii Nauk, 457:5 (2014), 507–509	1 ^[x]
104.	Yu. O. Vorontsov, Kh. D. Ikramov, “Numerical algorithm for solving sesquilinear matrix equations of a certain class”, Comput. Math. Math. Phys., 54:6 (2014), 915–918
105.	Kh. D. Ikramov, “Unitary Automorphisms of the Space of Hankel Matrices”, Math. Notes, 96:5 (2014), 678–685
106.	A. K. Abdikalykov, Kh. D. Ikramov, V. N. Chugunov, “O vychislenii sobstvennykh znachenii dlya nekotorykh klassov gankelevykh matrits”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2014, no. 1, 5–10
107.	Kh. D. Ikramov, Yu. O. Vorontsov, “Chislennoe reshenie matrichnykh uravnenii Silvestra v samosopryazhennom sluchae”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2014, no. 2, 7–9
108.	Kh. D. Ikramov, “Usloviya normalnosti matrichnykh uravnenii tipa Silvestra”, Doklady Akademii nauk, 459:4 (2014), 403–405

2015
109.	Kh. D. Ikramov, A. K. Abdikalykov, V. N. Chugunov, “Unitary automorphisms of the space of $3\times3$ Toeplitz-plus-Hankel matrices”, J. Math. Sci. (N. Y.), 207:5 (2015), 756–766
110.	Kh. D. Ikramov, “Spectral decomposition of Hankel matrices of a special class”, J. Math. Sci. (N. Y.), 207:5 (2015), 753–755

2014
111.	A. K. Abdikalykov, Kh. D. Ikramov, V. N. Chugunov, “Some acceleration techniques for calculating the eigenvalues of normal Toeplitz matrices”, Comput. Math. Math. Phys., 54:12 (2014), 1761–1764
112.	Yu. O. Vorontsov, Kh. D. Ikramov, “Numerical algorithm for solving quadratic matrix equations of a certain class”, Comput. Math. Math. Phys., 54:11 (2014), 1643–1646

2013
113.	Kh.D. Ikramov, “Gamiltonovy i kosogamiltonovy resheniya matrichnogo uravneniya X\bar X = A”, Doklady RAN, 448:2 (2013), 133–135
114.	Kh.D. Ikramov, Yu.O. Vorontsov, “Matrichnye uravneniya AX + BX^T = C i AX + BX^* = C”, Doklady RAN, 449:5 (2013), 513–515
115.	Kh.D. Ikramov, “Lineinye matrichnye uravneniya tipa Silvestra v samosopryazhennom sluchae”, Doklady RAN, 450:2 (2013), 147–149
116.	Kh.D. Ikramov, “Usloviya samosopryazhennosti polulineinykh matrichnykh uravnenii”, Doklady RAN, 450:5 (2013), 511–513
117.	Kh.D. Ikramov, “Usloviya samosopryazhennosti matrichnykh uravnenii tipa Steina”, Doklady RAN, 451:5 (2013), 498–500
118.	Yu. O. Vorontsov, Khakim D. Ikramov, “Numerical algorithms for solving matrix equations $AX+BX^T=C$ and $AX+BX^*=C$”, Comput. Math. Math. Phys., 53:6 (2013), 667–676
119.	Yu. O. Vorontsov, Khakim D. Ikramov, “Numerical solution of matrix equations of the form $X+AX^{\mathrm T}B=C$”, Comput. Math. Math. Phys., 53:3 (2013), 253–257
120.	Kh. D. Ikramov, “Solutions to sesquilinear matrix equations: Conspectral approach”, Textos de Matematica, 44, Departamento de Matematica, Universidade de Coimbra, Coimbra, Portugal, 2013, 73–79
121.	Kh. D. Ikramov, “Ekonomichnyi algoritm dlya vychisleniya psevdosobstvennykh znachenii kompleksnykh matrits, samosopryazhennykh v simplekticheskoi metrike”, Doklady Akademii Nauk, 453:6 (2013), 603–605

2012
122.	Kh. D. Ikramov, A. K. Abdikalykov, “On Unitary Transposable Matrices of Order Three”, Math. Notes, 91:4 (2012), 528–534
123.	Kh.D. Ikramov, “Ob unitarnoi kongruentnosti vzaimno transponirovannykh matrits”, Doklady RAN, 442:1 (2012), 11–13
124.	Kh.D. Ikramov, Yu.O. Vorontsov, “Matrichnoe uravnenie X + AX^T B: usloviya odnoznachnoi razreshimosti i algoritm chislennogo resheniya”, Doklady RAN, 443:5 (2012), 545–548
125.	Kh.D. Ikramov, “Antilineinye operatory i simplekticheskaya matrichnaya algebra”, Doklady RAN, 444:4 (2012), 356–358
126.	Kh.D. Ikramov, “Uravneniya vida X\bar X = A s kosogamiltonovymi matritsami A”, Doklady RAN, 444:5 (2012), 477–479
127.	Yu. O. Vorontsov, Kh. D. Ikramov, “Conditions for unique solvability of the matrix equation $AX+X^\ast B=C$”, Comput. Math. Math. Phys., 52:5 (2012), 665–673
128.	Kh. D. Ikramov, “Takagi’s decomposition of a symmetric unitary matrix as a finite algorithm”, Comput. Math. Math. Phys., 52:1 (2012), 1–3
129.	Kh. D. Ikramov, “Effective Algorithms for Decomplexifying a Matrix by Unitary Similarities or Congruences”, Math. Notes, 92:6 (2012), 792–797

2013
130.	Kh. D. Ikramov, “Unitary congruence to a conjugate-normal matrix”, J. Math. Sci. (N. Y.), 191:1 (2013), 72–74
131.	Kh. D. Ikramov, “Solving systems of linear equations with quasi-Toeplitz coefficient matrices”, J. Math. Sci. (N. Y.), 191:1 (2013), 69–71
132.	Kh. D. Ikramov, “Antilinear operators and special matrices”, J. Math. Sci. (N. Y.), 191:1 (2013), 65–68
133.	Y. O. Vorontsov, Kh. D. Ikramov, “Numerical solution of the matrix equations $AX+X^TB=C$ and $X+AX^TB=C$ with rectangular coefficients”, J. Math. Sci. (N. Y.), 191:1 (2013), 28–30

2011
134.	Kh. D. Ikramov, “Simultaneous reduction to block triangular form and theorems on pairs of complex idempotents”, Comput. Math. Math. Phys., 51:6 (2011), 915–918
135.	Yu. O. Vorontsov, Kh. D. Ikramov, “A numerical algorithm for solving the matrix equation $AX+X^\mathrm TB=C$”, Comput. Math. Math. Phys., 51:5 (2011), 691–698
136.	Kh. D. Ikramov, “On complex matrices with simple spectrum that are unitarily similar to real matrices”, Comput. Math. Math. Phys., 51:4 (2011), 505–512
137.	Yu. A. Alpin, Kh. D. Ikramov, “Kriterii unitarnoi kongruentnosti matrits”, Dokl. RAN, 437:1 (2011), 7-8
138.	Kh. D. Ikramov, “O konechnykh algoritmakh dlya proverki unitarnogo podobiya i unitarnoi kongruentnosti pary kompleksnykh matrits”, Dokl. RAN, 437:2 (2011), 151-153

2012
139.	Kh. D. Ikramov, “Products of orthoprojectors and a theorem of Crimmins”, J. Math. Sci. (N. Y.), 182:6 (2012), 787–792
140.	Kh. D. Ikramov, “On two-isometries in finite-dimensional spaces”, J. Math. Sci. (N. Y.), 182:6 (2012), 785–786
141.	Kh. D. Ikramov, “Products of orthoprojectors and Hermitian matrices”, J. Math. Sci. (N. Y.), 182:6 (2012), 782–784
142.	Kh. D. Ikramov, “How to distinguish between the latently real matrices and the block quaternions?”, J. Math. Sci. (N. Y.), 182:6 (2012), 779–781
143.	Yu. A. Al'pin, Kh. D. Ikramov, “A criterion for unitary congruence between complex matrices”, J. Math. Sci. (N. Y.), 182:6 (2012), 748–753
144.	A. K. Abdikalykov, Kh. D. Ikramov, “Simultaneous decomplexification of a pair of complex matrices via a unitary similarity transformation”, J. Math. Sci. (N. Y.), 182:6 (2012), 745–747

2011
145.	Kh.D. Ikramov, Yu.O. Vorontsov, “Ob odnoznachnoi razreshimosti matrichnogo uravneniya AX + X^T B = C v singulyarnom sluchae”, Doklady RAN, 438:5 (2011), 599-602
146.	Kh.D. Ikramov, A.K. Abdikalykov, “Ob odnom chastnom sluchae zadachi odnovremennogo oveschestvleniya pary kompleksnykh matrits posredstvom podobiya”, Doklady RAN, 439:4 (2011), 448-450
147.	Kh.D. Ikramov, “Ob odnovremennom oveschestvlenii pary kompleksnykh matrits posredstvom unitarnoi kongruentsii”, Doklady RAN, 441:1 (2011), 7–9	1 ^[x]
148.	Kh. D. Ikramov, “O pochti normalnykh matritsakh”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2011, no. 1, 5–9

2010
149.	Kh. D. Ikramov, “Criteria for Unitary Congruence of Complex $2\times 2$ Matrices”, Math. Notes, 88:2 (2010), 228–237
150.	Kh. D. Ikramov, “On Complex Matrices that Are Unitarily Similar to Real Matrices”, Math. Notes, 87:6 (2010), 821–827

2011
151.	Kh. D. Ikramov, V. N. Chugunov, “A characterization of Toeplitz and Hankel circulants”, J. Math. Sci. (N. Y.), 176:1 (2011), 38–43
152.	Kh. D. Ikramov, V. N. Chugunov, “On conjugate-normal $(T+H)$-circulants and skew-circulants”, J. Math. Sci. (N. Y.), 176:1 (2011), 32–37
153.	Kh. D. Ikramov, “Unitary similarity of entrywise conjugate matrices and unitary decomplexification”, J. Math. Sci. (N. Y.), 176:1 (2011), 29–31
154.	Kh. D. Ikramov, “On latently real matrices and block quaternions”, J. Math. Sci. (N. Y.), 176:1 (2011), 25–28
155.	Kh. D. Ikramov, “On sufficient conditions for the existence of a unitary congruence transformation of a given complex matrix into a real one”, J. Math. Sci. (N. Y.), 176:1 (2011), 20–24

2010
156.	Kh. D. Ikramov, Yu. O. Vorontsov, “On commutative algebras of Toeplitz-plus-Hankel matrices”, Comput. Math. Math. Phys., 50:5 (2010), 766–777
157.	Kh. D. Ikramov, “On a constructive procedure for verifying whether a matrix can be made real by a unitary similarity transformation”, Comput. Math. Math. Phys., 50:3 (2010), 383–386
158.	Kh. D. Ikramov, “Subdirect sums and differences for some classes of matrices”, Comput. Math. Math. Phys., 50:1 (2010), 7–11
159.	V. N. Chugunov, Kh. D. Ikramov, “A complete solution of the normal Hankel problem”, Linear Algebra and Its Applications, 432 (2010), 3210-3230	7 ^[x]
160.	Kh. D. Ikramov, “A note on complex matrices that are unitarily congruent to real matrices”, Linear Algebra and Its Applications, 433 (2010), 838-842	6 ^[x]
161.	Kh. D. Ikramov, “O kompleksnykh matritsakh, oveschestvlyaemykh posredstvom unitarnogo podobiya”, Dokl. RAN, 430:1 (2010), 15-17
162.	Kh. D. Ikramov, “Ob usloviyakh odnoznachnoi razreshimosti matrichnogo uravneniya $AX + X^T B = C$”, Dokl. RAN, 430:4 (2010), 444-447
163.	Kh. D. Ikramov, “Klassy unitarnoi kongruentnosti kompleksnykh $2\times 2$-matrits”, Dokl. RAN, 431:1 (2010), 7-11	1 ^[x]
164.	Kh. D. Ikramov, “O prostom lineino-algebraicheskom obosnovanii teoremy Shpekhta”, Dokl. RAN, 431:6 (2010), 739-740
165.	Kh. D. Ikramov, “O konstruktivnykh dostatochnykh usloviyakh dlya suschestvovaniya unitarnogo podobiya, preobrazuyuschego zadannuyu kompleksnuyu matritsu v veschestvennuyu”, Dokl. RAN, 433:3 (2010), 305-308
166.	Kh. D. Ikramov, “O matrichnom uravnenii $X\bar X = \bar X X$”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2010, no. 2, 7–10

2009
167.	Kh. D. Ikramov, “Quadratically Normal Matrices of Type 1 and Unitary Similarities between Them”, Math. Notes, 86:3 (2009), 342–348
168.	Kh. D. Ikramov, V. N. Chugunov, “On the Reduction of the Normal Hankel Problem to Two Particular Cases”, Math. Notes, 85:5 (2009), 674–681

2010
169.	Kh. D. Ikramov, V. N. Chugunov, “On Toeplitz matrices that are simultaneously normal and conjugate-normal”, J. Math. Sci. (N. Y.), 165:5 (2010), 533–536
170.	Kh. D. Ikramov, H. Fassbender, “Quadratically normal and congruence-normal matrices”, J. Math. Sci. (N. Y.), 165:5 (2010), 521–532
171.	Kh. D. Ikramov, “Improved bounds for the recursion width in congruent type methods for solving systems of linear equations”, J. Math. Sci. (N. Y.), 165:5 (2010), 515–520
172.	Kh. D. Ikramov, “Verifying unitary congruence of coninvolutions, skew-coninvolutions, and connilpotent matrices of index two”, J. Math. Sci. (N. Y.), 165:5 (2010), 511–514

2009
173.	Kh. D. Ikramov, “On a recursive inverse eigenvalue problem”, Comput. Math. Math. Phys., 49:5 (2009), 743–747
174.	M. Ghasemi Kamalvand, Kh. D. Ikramov, “Low-rank perturbations of symmetric matrices and their condensed forms under unitary congruences”, Comput. Math. Math. Phys., 49:4 (2009), 573–578
175.	M. Ghasemi Kamalvand, Kh. D. Ikramov, “A method of congruent type for linear systems with conjugate-normal coefficient matrices”, Comput. Math. Math. Phys., 49:2 (2009), 203–216
176.	V. N. Chugunov, Kh. D. Ikramov, “A contribution to the normal Hankel problem”, Linear Algebra and Its Applications, 430 (2009), 2094-2101	9 ^[x]
177.	V. N. Chugunov, Kh. D. Ikramov, “The conjugate-normal Toeplitz matrix”, Linear Algebra and Its Applications, 430 (2009), 2467-2473	3 ^[x]
178.	Kh. D. Ikramov, “On the matrix equation $X\overline X=A$”, Dokl. Math., 79:1 (2009), 53–55
179.	Kh. D. Ikramov, V. N. Chugunov, “Classifying normal Hankel matrices”, Dokl. Math., 79:1 (2009), 114–117
180.	Kh. D. Ikramov, “O kompleksnykh matritsakh Bentsi-Goluba”, Dokl. RAN, 426:2 (2009), 170-172	1 ^[x]
181.	Kh. D. Ikramov, Yu. R. Nesterenko, “Teoremy tipa Vilandta-Khoffmana dlya psevdosobstvennykh znachenii kompleksnykh matrits”, Dokl. RAN, 427:4 (2009), 447-451
182.	Gasemi Kamalvand M., Kh. D. Ikramov, “Malorangovye vozmuscheniya normalnykh i sopryazhenno-normalnykh matrits i ikh kompaktnye formy otnositelno unitarnykh podobii i kongruentsii”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2009, no. 3, 5–11

2008
183.	Kh. D. Ikramov, V. N. Chugunov, “On Normal Hankel Matrices of Low Orders”, Math. Notes, 84:2 (2008), 197–206

2009
184.	Kh. D. Ikramov, H. Fassbender, “On the product of two skew-Hamiltonian matrices or two skew-symmetric matrices”, J. Math. Sci. (N. Y.), 157:5 (2009), 697–700
185.	Kh. D. Ikramov, “On the ranks of principal submatrices of diagonalizable matrices”, J. Math. Sci. (N. Y.), 157:5 (2009), 695–696
186.	Kh. D. Ikramov, “Decomplexification of eigenvalue and coneigenvalue problems”, J. Math. Sci. (N. Y.), 157:5 (2009), 692–694
187.	Kh. D. Ikramov, “Gaussian elimination and the ranks of the components in the Cartesian decomposition of a matrix”, J. Math. Sci. (N. Y.), 157:5 (2009), 689–691

2008
188.	M. Van Barel, Kh. D. Ikramov, A. A. Chesnokov, “A continuation method for solving symmetric Toeplitz systems”, Comput. Math. Math. Phys., 48:12 (2008), 2126–2139
189.	M. Ghasemi Kamalvand, Kh. D. Ikramov, “Reachability of condensed forms via unitary congruence transformations”, Comput. Math. Math. Phys., 48:8 (2008), 1261–1265
190.	H. Fassbender, Kh. D. Ikramov, “A note on an unusual type of polar decomposition”, Linear Algebra and Its Applications, 429:1 (2008), 29-38	4 ^[x]
191.	H. Fassbender, Kh. D. Ikramov, “Conjugate-normal matrices: A survey”, Linear Algebra and Its Applications, 429:7 (2008), 1425-1441	16 ^[x]
192.	Kh. D. Ikramov, “Kanonicheskaya forma Shura matritsy s prostymi sobstvennymi znacheniyami”, Dokl. RAN, 420:2 (2008), 160-161
193.	Kh. D. Ikramov, “Ob obuslovlennosti psevdosobstvennykh znachenii sopryazhenno-normalnykh matrits”, Dokl. RAN, 420:3 (2008), 306-308
194.	Kh. D. Ikramov, “Ob inertsii komponent dekartova razlozheniya kvadratnoi matritsy”, Dokl. RAN, 421:6 (2008), 738-740
195.	M. Gasemi Kamalvand, Kh. D. Ikramov, “O razmernosti mnogoobraziya sopryazhenno-normalnykh matrits”, Dokl. RAN, 423:6 (2008), 727-729

2007
196.	Kh. D. Ikramov, “Reducing Complex Matrices to Condensed Forms by Unitary Congruence Transformations”, Math. Notes, 82:4 (2007), 492–500

2008
197.	Kh. D. Ikramov, V. N. Chugunov, “On normal Hankel matrices”, J. Math. Sci. (N. Y.), 150:2 (2008), 1951–1960
198.	Kh. D. Ikramov, H. Fassbender, “Simultaneous reduction to block triangular form by a unitary congruence transformation”, J. Math. Sci. (N. Y.), 150:2 (2008), 1943–1950
199.	Kh. D. Ikramov, “On unitarily transposable matrices”, J. Math. Sci. (N. Y.), 150:2 (2008), 1937–1942
200.	M. Ghasemi Kamalvand, Kh. D. Ikramov, “Conjugate-normal matrices with conjugate-normal submatrices”, J. Math. Sci. (N. Y.), 150:2 (2008), 1926–1928

2007
201.	Kh. D. Ikramov, “O spetsialnykh resheniyakh matrichnykh uravnenii $X\bar X=I$ i $X\bar X=-I$”, Zh. vychisl. matem. i matem. fiz., 47:9 (2007), 1460–1466
202.	Kh. D. Ikramov, “On tridiagonal conjugate-normal matrices”, Comput. Math. Math. Phys., 47:2 (2007), 173–179
203.	Kh. D. Ikramov, “A note on the matrix equation $XA - AX = X^p$”, Linear Algebra and Its Applications, 424 (2007), 390-392
204.	Kh. D. Ikramov, “On condiagonalizable matrices”, Linear Algebra and Its Applications, 424 (2007), 454-465
205.	Kh. D. Ikramov, “Sopryazhenno-normalnye matritsy i matrichnye uravneniya otnositelno $A, \bar A$ i $A^T$”, Dokl. RAN, 412:3 (2007), 305-307	1 ^[x]
206.	Kh. D. Ikramov, “Unitarnye kongruentsii i teoremy o psevdoperestanovochnykh matritsakh”, Dokl. RAN, 413:6 (2007), 727-729
207.	Kh. D. Ikramov, “O konechnom ratsionalnom kriterii neprivodimosti matrits”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2007, no. 3, 16–18
208.	Kh. D. Ikramov, V. N. Chugunov, “Ob odnom novom klasse normalnykh gankelevykh matrits”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2007, no. 1, 10–13

2006
209.	Kh. D. Ikramov, “Equality Conditions for the Singular Values of $3\times 3$ Matrices with One-Point Spectrum”, Math. Notes, 80:2 (2006), 183–187

2007
210.	Kh. D. Ikramov, V. N. Chugunov, “Several observations on Toeplitz and Hankel circulants”, J. Math. Sci. (N. Y.), 141:6 (2007), 1639–1642
211.	Kh. D. Ikramov, “On the coneigenvalues and singular values of a complex square matrix”, J. Math. Sci. (N. Y.), 141:6 (2007), 1633–1638
212.	M. Dana, Kh. D. Ikramov, “On rank-one corrections of complex symmetric matrices”, J. Math. Sci. (N. Y.), 141:6 (2007), 1614–1617
213.	M. Dana, Kh. D. Ikramov, “Solving systems of linear equations whose matrices are low-rank perturbations of Hermitian matrices, revisited”, J. Math. Sci. (N. Y.), 141:6 (2007), 1608–1613

2006
214.	M. Dana, Kh. D. Ikramov, “A numerical comparison of two minimal residual methods for linear polynomials in unitary matrices”, Comput. Math. Math. Phys., 46:12 (2006), 2040–2050
215.	M. Dana, Kh. D. Ikramov, “A minimal residual method for linear polynomials in unitary matrices”, Comput. Math. Math. Phys., 46:6 (2006), 930–936
216.	H. Fassbender, Kh. D. Ikramov, “SYMMLQ-like procedure for $Ax=b$ where $A$ is a special normal matrix”, Calcolo, 43 (2006), 17-37	4 ^[x]
217.	Kh. D. Ikramov, “Kriterii unitarnoi kongruentnosti sopryazhenno-normalnykh matrits”, Dokl. RAN, 410:1 (2006), 17-18	1 ^[x]
218.	Kh. D. Ikramov, Zadachnik po lineinoi algebre, 2-e izd., Lan, Sankt-Peterburg, Moskva, Krasnodar, 2006 , 320 pp.

2005
219.	Kh. D. Ikramov, A. M. Nazari, “Justification of a Malyshev-Type Formula in the Nonnormal Case”, Math. Notes, 78:2 (2005), 219–227
220.	A. George, Kh. D. Ikramov, “On the Properties of Accretive-Dissipative Matrices”, Math. Notes, 77:6 (2005), 767–776

2006
221.	Kh. D. Ikramov, A. M. Nazari, “On the 2-norm distance from a normal matrix to the set of matrices with a multiple zero eigenvalue”, J. Math. Sci. (N. Y.), 137:3 (2006), 4789–4793
222.	Kh. D. Ikramov, “On the principal minors of a matrix with a multiple eigenvalue”, J. Math. Sci. (N. Y.), 137:3 (2006), 4787–4788
223.	M. Dana, Kh. D. Ikramov, “On the codimension of the variety of symmetric matrices with multiple eigenvalues”, J. Math. Sci. (N. Y.), 137:3 (2006), 4787–4788
224.	Yu. A. Alpin, Kh. D. Ikramov, “Unitary similarity of algebras generated by pairs of orthoprojectors”, J. Math. Sci. (N. Y.), 137:3 (2006), 4763–4768

2005
225.	M. Dana, A. G. Zykov, Kh. D. Ikramov, “A minimal residual method for a special class of linear systems with normal coefficients matrices”, Comput. Math. Math. Phys., 45:11 (2005), 1854–1863
226.	Kh. D. Ikramov, “On the Euclidean distance to the set of matrices with a multiple zero eigenvalue”, Comput. Math. Math. Phys., 45:4 (2005), 563–567
227.	Kh. D. Ikramov, “On the singular values of a special 3-by-3 matrix: sufficient conditions for monotonicity along a ray”, Comput. Math. Math. Phys., 45:3 (2005), 366–373
228.	Kh. D. Ikramov, “On the real stability radius of a normal matrix”, Comput. Math. Math. Phys., 45:2 (2005), 185–188
229.	A. S. Buslenko, Kh. D. Ikramov, “On the multiplication of scalar and matrix power series”, Comput. Math. Math. Phys., 45:1 (2005), 1–4
230.	H. Fassbender, Kh. D. Ikramov, “Several observations on symplectic, Hamiltonian, and skew-Hamiltonian matrices”, Linear Algebra and Its Applications, 400 (2005), 15-29	11 ^[x]
231.	M. Dana, Kh. D. Ikramov, “O reshenii sistem lineinykh uravnenii, matritsy kotorykh yavlyayutsya malorangovymi vozmuscheniyami ermitovykh matrits”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2005, no. 4, 15–22

2004
232.	Kh. D. Ikramov, A. M. Nazari, “Normal Matrices and an Extension of Malyshev"s Formula”, Math. Notes, 75:5 (2004), 608–616
233.	Kh. D. Ikramov, A. A. Chesnokov, “On the Inverses of Brownian and Brownian-Like Matrices”, Math. Notes, 75:1 (2004), 83–92

2006
234.	Kh. D. Ikramov, M. Matin far, “On the computer-algebra implementation of the least-squares method on the nonnegative orthant”, J. Math. Sci. (N. Y.), 132:2 (2006), 156–159
235.	A. George, Kh. D. Ikramov, “A note on the canonical form for a pair of orthoprojectors”, J. Math. Sci. (N. Y.), 132:2 (2006), 153–155

2004
236.	Kh. D. Ikramov, A. M. Nazari, “On the calculation of the closest matrix with a triple zero eigenvalue”, Comput. Math. Math. Phys., 44:12 (2004), 2011–2016
237.	Kh. D. Ikramov, “On complex matrices, which are orthogonally equivalent to diagonal matrices”, Comput. Math. Math. Phys., 44:11 (2004), 1851–1852
238.	Kh. D. Ikramov, M. Matin far, “Updating the minimum-norm solutions to the recursive least squares problem with linear equality constraints”, Comput. Math. Math. Phys., 44:10 (2004), 1640–1648
239.	Kh. D. Ikramov, “Canonical forms of projectors with respect to unitary similarity and their applications”, Comput. Math. Math. Phys., 44:9 (2004), 1456–1461
240.	M. Dana, Kh. D. Ikramov, “On low rank perturbations of the Hermitian and unitary matrices”, Comput. Math. Math. Phys., 44:8 (2004), 1259–1273
241.	Kh. D. Ikramov, M. Matin far, A. A. Chesnokov, “Computer algebra procedures for the Drazin inversion of a singular matrix”, Comput. Math. Math. Phys., 44:7 (2004), 1093–1101
242.	Kh. D. Ikramov, “On the dimension of the variety of symmetric matrices with multiple eigenvalues”, Comput. Math. Math. Phys., 44:6 (2004), 911–915
243.	Kh. D. Ikramov, M. Matin far, “On computer-algebra procedures for linear least squares problems with linear inequality constraints”, Comput. Math. Math. Phys., 44:5 (2004), 727–731
244.	Kh. D. Ikramov, M. Matin far, “On computer algebra procedures for a linear least squares problem with linear constraints”, Comput. Math. Math. Phys., 44:2 (2004), 190–196
245.	Kh. D. Ikramov, A. M. Nazari, “Computational aspects of the use of Malyshev's formula”, Comput. Math. Math. Phys., 44:1 (2004), 1–5
246.	A. George, Kh. D. Ikramov, “Gaussian elimination is stable for the inverse of a diagonally dominant matrix”, Mathematics of Computation, 73 (246) (2004), 653-657	8 ^[x]
247.	A. George, Kh. D. Ikramov, “On the growth factor in Gaussian elimination for matrices with sharp angular field of values”, Calcolo, 41:1 (2004), 27-36	3 ^[x]
248.	Kh. D. Ikramov, “Ob ortogonalnosti levykh i pravykh singulyarnykh vektorov”, Dokl. RAN, 397:2 (2004), 160-161
249.	Kh. D. Ikramov, “Yavnye formuly dlya matritsy s kratnym sobstvennym znacheniem nul, blizhaishei k zadannoi normalnoi matritse”, Dokl. RAN, 398:5 (2004), 599-601	1 ^[x]

2003
250.	Yu. A. Alpin, Kh. D. Ikramov, “On the Unitary Similarity of Matrix Families”, Math. Notes, 74:6 (2003), 772–782
251.	Kh. D. Ikramov, A. M. Nazari, “On the Distance to the Closest Matrix with Triple Zero Eigenvalue”, Math. Notes, 73:4 (2003), 511–520

2005
252.	A. George, Kh. D. Ikramov, “Block $LU$ factorization is stable for block matrices whose inverses are block diagonally dominant”, J. Math. Sci. (N. Y.), 127:3 (2005), 1962–1968

2003
253.	Kh. D. Ikramov, M. Matin far, “Updating normal pseudo-solutions under rank-one modification of matrix”, Comput. Math. Math. Phys., 43:4 (2003), 469–481
254.	Kh. D. Ikramov, M. Matin far, “On computer algebra procedures for matrix pseudoinversion”, Comput. Math. Math. Phys., 43:2 (2003), 157–161
255.	Kh. D. Ikramov, A. M. Nazari, “On a metric problem for matrices”, Comput. Math. Math. Phys., 43:1 (2003), 1–9
256.	H. Fassbender, Kh. D. Ikramov, “Computing matrix-vector products with centrosymmetric and centrohermitian matrices”, Linear Algebra and Its Applications, 364 (2003), 235-241	11 ^[x]
257.	Kh. D. Ikramov, A. M. Nazari, “O blizhaishei matritse s kratnym sobstvennym znacheniem nul”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2003, no. 4, 20–24
258.	Kh. D. Ikramov, “Ob odnom tipe predobuslovlivaniya dlya KKT-matrits”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2003, no. 2, 3–5

2002
259.	Kh. D. Ikramov, “On a Remarkable Property of a Matrix of Mark Kac”, Math. Notes, 72:3 (2002), 325–330
260.	Kh. D. Ikramov, “On the Matrix Equation $X^{-1}X^*=A$”, Math. Notes, 71:4 (2002), 500–504

2004
261.	Kh. D. Ikramov, “Determinantal inequalities for accretive-dissipative matrices”, J. Math. Sci. (N. Y.), 121:4 (2004), 2458–2464

2002
262.	Kh. D. Ikramov, “A linear-time algorithm for verifying the copositivity of an acyclic matrix”, Comput. Math. Math. Phys., 42:12 (2002), 1701–1703
263.	Kh. D. Ikramov, “Reduction to the principal axes by means of pseudo-unitary and symplectic transformations”, Comput. Math. Math. Phys., 42:11 (2002), 1560–1562
264.	A. George, Kh. D. Ikramov, “The closeness of certain classes of matrices with respect to pseudo-inversion”, Comput. Math. Math. Phys., 42:9 (2002), 1242–1246
265.	Kh. D. Ikramov, “Unitary similarity of normal matrices from the viewpoint of Specht's criterion”, Comput. Math. Math. Phys., 42:8 (2002), 1065–1066
266.	Kh. D. Ikramov, “On the condition of matrices that transform Hermitian pairs to diagonal form”, Comput. Math. Math. Phys., 42:5 (2002), 583–586
267.	A. George, Kh. D. Ikramov, A. B. Kucherov, “On the growth factor in Gaussian elimination for generalized Higham matrices”, Numer. Linear Algebra Appl., 9:2 (2002), 107-114	21 ^[x]
268.	A. George, Kh. D. Ikramov, “Unitary similarity of matrices with quadratic minimal polynomials”, Linear Algebra and Its Applications, 349 (2002), 11-16	10 ^[x]
269.	D. Z. Djokovic, Kh. D. Ikramov, “On the congruence of square real matrices”, Linear Algebra and Its Applications, 353 (2002), 149-158	3 ^[x]
270.	D. Z. Djokovic, Kh. D. Ikramov, “A square matrix is congruent to its transpose”, J. Algebra, 257:1 (2002), 97-105	7 ^[x]
271.	Kh. D. Ikramov, “O kongruentnom privedenii matritsy k kvazidiagonalnomu vidu”, Dokl. RAN, 382:5 (2002), 589-592
272.	Kh. D. Ikramov, “O nesuschestvovanii kriteriya tipa Shpekhta dlya proverki psevdounitarnogo podobiya”, Dokl. RAN, 383:1 (2002), 10-11
273.	Yu. A. Alpin, Kh. D. Ikramov, “Ob unitarnom podobii semeistv matrits”, Dokl. RAN, 384:2 (2002), 151-152	1 ^[x]
274.	Kh. D. Ikramov, V. N. Chugunov, “Neravenstva tipa Fishera i Adamara dlya akkretivno-dissipativnykh matrits”, Dokl. RAN, 384:5 (2002), 585-586	1 ^[x]
275.	Kh. D. Ikramov, A. M. Nazari, “Ob odnom zamechatelnom sledstvii formuly Malysheva”, Dokl. RAN, 385:5 (2002), 599-600	5 ^[x]
276.	Kh. D. Ikramov, “Invariantnost verkhnetreugolnogo mnozhitelya matritsy Vandermonda po otnosheniyu k sdvigam uzlov”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2002, no. 3, 9–11
277.	Kh. D. Ikramov, “Vektornoe proizvedenie v kompleksnom trekhmernom prostranstve i kompleksnaya trekhmernaya algebra Li”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2002, no. 2, 3–6
278.	Kh. D. Ikramov, “O klassifikatsii akkretivnykh matrits otnositelno ermitovykh kongruentsii”, Vestnik Moskovskogo un-ta. Seriya 1. Matematika. Mekhanika, 2002, no. 4, 23–26

2001
279.	Kh. D. Ikramov, N. V. Savel'eva, “On two approaches to the common invariant subspace problem for a pair of matrices”, Comput. Math. Math. Phys., 41:4 (2001), 494–501
280.	Kh. D. Ikramov, “Hamiltonian square roots of skew-Hamiltonian matrices revisited”, Linear Algebra and Its Applications, 325 (2001), 101-107	22 ^[x]
281.	Kh. D. Ikramov, “Ob unitarnom podobii vzaimno transponirovannykh matrits”, Dokl. RAN, 378:5 (2001), 592-593	2 ^[x]
282.	Kh. D. Ikramov, “Unitarnaya ekvivalentnost kak sledstvie podobiya i ermitovoi kongruentnosti”, Dokl. RAN, 379:6 (2001), 739-740
283.	Kh. D. Ikramov, “O zakone inertsii dlya normalnykh matrits”, Dokl. RAN, 380:1 (2001), 7-8	1 ^[x]
284.	Kh. D. Ikramov, “On a class of generalized orthogonal matrices”, Comput. Math. Math. Phys., 41:9 (2001), 1239–1245
285.	Kh. D. Ikramov, “O sobstvennykh znacheniyakh i vektorakh magicheskikh kvadratov”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2001, 7–11
286.	Kh. D. Ikramov, “O resheniyakh matrichnogo uravneniya AA* + AA = A + A”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2001, no. 1, 5–8

2000
287.	Kh. D. Ikramov, V. N. Chugunov, “Matrix completion problems of block type”, Math. Notes, 67:6 (2000), 727–735

2003
288.	Yu. A. Alpin, Kh. D. Ikramov, “Rational procedures in the problem of common invariant subspaces of two matrices”, J. Math. Sci. (N. Y.), 114:6 (2003), 1757–1764

2000
289.	Kh. D. Ikramov, “On rational calculation of the invariant subspaces of a complex matrix”, Comput. Math. Math. Phys., 40:11 (2000), 1523–1524
290.	Kh. D. Ikramov, “On Hermitian eigenvalue problems with additional Hamiltonian or skew-Hamiltonian structure”, Comput. Math. Math. Phys., 40:10 (2000), 1383–1386
291.	Kh. D. Ikramov, “The canonical form as a tool for proving the properties of projectors”, Comput. Math. Math. Phys., 40:9 (2000), 1233–1238
292.	Kh. D. Ikramov, “The quasidiagonalizability of oblique projectors as a particular case of the noncommutative spectral theorem”, Comput. Math. Math. Phys., 40:8 (2000), 1077–1084
293.	A. George, Kh. D. Ikramov, “On the quasidiagonalizability of $3$-selfadjoint matrices”, Comput. Math. Math. Phys., 40:7 (2000), 923–932
294.	Kh. D. Ikramov, “On a quasidiagonalizability criterion for real matrices”, Comput. Math. Math. Phys., 40:1 (2000), 4–17
295.	Kh. D. Ikramov, N.V. Savel'eva, “Conditionally definite matrices”, J. Math. Sci. (New-York), 98:1 (2000), 1-50	25 ^[x]
296.	Kh. D. Ikramov, V. N. Chugunov, “Inverse matrix eigenvalue problems”, J. Math. Sci. (New-York), 98:1 (2000), 51-136	10 ^[x]
297.	Yu. A. Al'pin, L. Elsner, Kh. D. Ikramov, “On condensed forms for partially commuting matrices”, Linear Algebra and Its Applications, 306 (2000), 165-182	2 ^[x]
298.	Yu. A. Al'pin, A. George, Kh. D. Ikramov, “Solving the two-dimensional CIS problem by a rational algorithm”, Linear Algebra and Its Applications, 312 (2000), 115-123	7 ^[x]
299.	Yu. A Al'pin, Kh. D. Ikramov, “Reducibility theorems for pairs of matrices as rational criteria”, Linear Algebra and Its Applications, 313 (2000), 155-161	13 ^[x]
300.	A. George, Kh. D. Ikramov, “The condition of symmetric quasi-definite matrices”, SIAM Journal on Matrix Analysis and Applications, 21:3 (2000), 970-977	3 ^[x]
301.	A. George, Kh. D. Ikramov, A. B. Kucherov, “Some properties of symmetric quasi-definite matrices”, SIAM Journal on Matrix Analysis and Its Applications, 21:4 (2000), 1318-1323	10 ^[x]
302.	Kh. D. Ikramov, A. B. Kucherov, “Bounding the growth factor in Gaussian elimination for Buckley's class of complex symmetric matrices”, Numer. Linear Algebra Appl., 7 (2000), 269-274	5 ^[x]
303.	Yu. A. Alpin, Kh. D. Ikramov, “O ratsionalnoi protsedure, proveryayuschei nalichie dvumernogo obschego invariantnogo podprostranstva u zadannoi pary matrits”, Dokl. RAN, 371:4 (2000), 439-441	1 ^[x]
304.	Yu. A. Alpin, Kh. D. Ikramov, “Summa sobstvennykh podprostranstv matritsy mozhet byt naidena ratsionalnym vychisleniem”, Dokl. RAN, 371:5 (2000), 583-584	1 ^[x]
305.	Yu. A. Alpin, Kh. D. Ikramov, “O reshenii obobschennoi zadachi Dzhokovicha”, Dokl. RAN, 372:5 (2000), 583-585
306.	Yu. A. Alpin, Kh. D. Ikramov, “Teoremy o privodimosti pary matrits kak ratsionalnye kriterii”, Dokl. RAN, 372:4 (2000), 439-441
307.	Kh. D. Ikramov, “O vychislenii obschego sobstvennogo vektora dvukh matrits za konechnoe chislo arifmeticheskikh operatsii”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 2000, no. 1, 14–16

1999
308.	A. George, Kh. D. Ikramov, “On quasidefinite matrices with a parameter in the off-diagonal block”, Comput. Math. Math. Phys., 39:10 (1999), 1553–1557
309.	Kh. D. Ikramov, V. N. Chugunov, “Matrix completion problems with arbitrary locations of prescribed entries”, Comput. Math. Math. Phys., 39:9 (1999), 1367–1383
310.	Kh. D. Ikramov, N. V. Savel'eva, “Copositive matrices”, Comput. Math. Math. Phys., 39:8 (1999), 1205–1227
311.	Kh. D. Ikramov, V. N. Chugunov, “On computer algebra procedures constructing matrices with prescribed eigenvalues and diagonal entries”, Comput. Math. Math. Phys., 39:6 (1999), 842–847
312.	Kh. D. Ikramov, N. V. Savel'eva, “Computer algebra procedures for verifying the definiteness of a matrix on a subspace”, Comput. Math. Math. Phys., 39:3 (1999), 337–349
313.	A. George, Kh. D. Ikramov, “Common invariant subspaces of two matrices”, Linear Algebra and Its Applications, 287 (1999), 171-179	14 ^[x]
314.	Kh. D. Ikramov, “An algebraic proof of a result by Gonzaga and Lara”, Linear Algebra and Its Applications, 299 (1999), 191-194	1 ^[x]
315.	Kh. D. Ikramov, “Shin's formulas for eigenpairs of symmetric tridiagonal 2-Toeplitz matrices”, Bull. Austral. Math. Soc., 59 (1999), 119-120	2 ^[x]
316.	Kh. D. Ikramov, “O matritsakh, spektr kotorykh predskazuemym obrazom reagiruet na perestanovki stolbtsov”, Dokl. RAN, 364:3 (1999), 310-312	1 ^[x]
317.	Kh. D. Ikramov, “O vychislenii sobstvennykh znachenii matrits iz ortogonalnoi i unitarnoi simplekticheskikh grupp”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 1999, no. 2, 16–19
318.	Kh. D. Ikramov, V. N. Chugunov, “Ob algebrakh, porozhdaemykh parami sopryazhennykh matrits”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 1999, no. 1, 49–50

1998
319.	Kh. D. Ikramov, L. Él'zner, “On matrices that admit unitary reduction to band form”, Math. Notes, 64:6 (1998), 753–760
320.	Kh. D. Ikramov, V. N. Chugunov, “On the skew-symmetric part of the product of Toeplitz matrices”, Math. Notes, 63:1 (1998), 124–127
321.	Kh. D. Ikramov, N. V. Savel'eva, “On certain quasidiagonalizable families of matrices”, Comput. Math. Math. Phys., 38:7 (1998), 1026–1035
322.	Kh. D. Ikramov, “On the pseudounitary $QR$ algorithm for pseudo-Hermitian matrices”, Comput. Math. Math. Phys., 38:5 (1998), 679–682
323.	Kh. D. Ikramov, “On fast computation of a polynomial in the Frobenius matrix”, Comput. Math. Math. Phys., 38:4 (1998), 536–537
324.	Kh. D. Ikramov, “On simultaneous reduction of a pair of oblique projectors to block triangular form”, Comput. Math. Math. Phys., 38:2 (1998), 173–174
325.	Kh. D. Ikramov, “The dimension of the variety of normal matrices”, Comput. Math. Math. Phys., 38:1 (1998), 1–6
326.	L. Elsner, Kh. D. Ikramov, “Normal matrices: an update”, Linear Algebra and Its Applications, 285 (1998), 291-303	40 ^[x]
327.	Kh. D. Ikramov, V. N. Chugunov, “Ob obuslovlennosti sobstvennykh znachenii, blizkikh k granitse chislovogo obraza matritsy”, Dokl. RAN, 359:2 (1998), 159-160
328.	Kh. D. Ikramov, “O proizvedeniyakh simmetrichnykh, kososimmetrichnykh, ermitovykh i involyutivnykh matrits”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 1998, no. 1, 8–11

1997
329.	Kh. D. Ikramov, “On a description of normal Hankel matrices”, Fundam. Prikl. Mat., 3:3 (1997), 809–819
330.	Kh. D. Ikramov, K. Uil'yamson, “On the Hegland–Marti inverse eigenvalue problem”, Math. Notes, 61:1 (1997), 120–124
331.	Kh. D. Ikramov, “The canonical Schur form of a unitarily quasidiagonalizable matrix”, Comput. Math. Math. Phys., 37:12 (1997), 1367–1371
332.	L. Elsner, Kh. D. Ikramov, “On a condensed form for normal matrices under finite sequences of elementary unitary similarities”, Linear Algebra and Its Applications, 254 (1997), 79-98	21 ^[x]
333.	Kh. D. Ikramov, M. Yu. Ibragimov, “The Nekrasov property is hereditary for Gaussian elimination”, ZAMM, 77:5 (1997), 394-396	4 ^[x]
334.	Kh. D. Ikramov, “Evenness of the Jordan structure of block quaternions with real spectra and its computational consequences”, Comput. Math. Math. Phys., 37:9 (1997), 993–997
335.	Kh. D. Ikramov, “Normal band matrices”, Comput. Math. Math. Phys., 37:1 (1997), 1–4
336.	Kh. D. Ikramov, “Neravenstvo Shura dlya psevdosobstvennykh znachenii i sopryazhenno-normalnye matritsy”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 1997, no. 3, 3–6

1996
337.	Kh. D. Ikramov, “Normal dilatation of triangular matrices”, Math. Notes, 60:6 (1996), 649–657
338.	Kh. D. Ikramov, “A method of recognizing a regular eigenvalue”, Comput. Math. Math. Phys., 36:8 (1996), 989–990
339.	A. Dzhordzh, Kh. D. Ikramov, “On Hankel matrices that commute with tridiagonal matrices”, Comput. Math. Math. Phys., 36:7 (1996), 825–830
340.	Kh. D. Ikramov, V. N. Chugunov, “Rational solvability of the inverse Silva problem”, Comput. Math. Math. Phys., 36:6 (1996), 703–708
341.	Kh. D. Ikramov, “A canonical form for projectors under unitary similarity”, Comput. Math. Math. Phys., 36:3 (1996), 279–281
342.	Kh. D. Ikramov, V. N. Chugunov, “A criterion for the normality of a complex Toeplitz matrix”, Comput. Math. Math. Phys., 36:2 (1996), 131–137
343.	A. George, Kh. D. Ikramov, “Is the polar decomposition finitely computable?”, SIAM Journal on Matrix Analysis and Applications, 17:2 (1996), 348-354	4 ^[x]
344.	A. George, Kh. D. Ikramov, W.-P. Tang, V. N. Chugunov, “On doubly symmetric tridiagonal forms for complex matrices and tridiagonal inverse eigenvalue problems”, SIAM Journal on Matrix Analysis and Applications, 17:3 (1996), 680-690	6 ^[x]
345.	Kh. D. Ikramov, “O normalnykh dostraivaniyakh treugolnykh matrits”, Dokl. RAN, 351:1 (1996), 11-12

1995
346.	Kh. D. Ikramov, “Classification of normal Toeplitz matrices with real entries”, Math. Notes, 57:5 (1995), 463–469

1998
347.	Kh. D. Ikramov, L. Él'zner, “On normal matrices with normal principal submatrices”, J. Math. Sci. (New York), 89:6 (1998), 1631–1651

1995
348.	Kh. D. Ikramov, D. A. Kushnereva, “On the features of the programmed realization of the Lanczos method for generalized symmetric matrices”, Comput. Math. Math. Phys., 35:12 (1995), 1527–1530
349.	A. Dzhordzh, Kh. D. Ikramov, “Conditionality and expected error for two methods of computing the pseudo-eigenvalues of a complex matrix”, Comput. Math. Math. Phys., 35:11 (1995), 1403–1408
350.	A. George, Kh. D. Ikramov, A. N. Krivoshapova, W.-P. Tang, “A finite procedure for the tridiagonalization of a general matrix”, SIAM Journal on Matrix Analysis and Applications, 16:2 (1995), 377-387	3 ^[x]
351.	A. George, Kh. D. Ikramov, E. V. Matushkina, W.-P. Tang, “On a QR-like algorithm for some structured eigenvalue problems”, SIAM Journal on Matrix Analysis and Applications, 16:4 (1995), 1107-1126	14 ^[x]

1994
352.	Kh. D. Ikramov, “Nonsymmetric Toeplitz matrices that commute with tridiagonal matrices”, Math. Notes, 55:5 (1994), 483–490
353.	Kh. D. Ikramov, “Tridiagonal forms of complex symmetric and persymmetric matrices”, Comput. Math. Math. Phys., 34:11 (1994), 1463–1467
354.	M. Yu. Ibragimov, Kh. D. Ikramov, N. V. Savel'eva, V. N. Chugunov, “The stabilizer of the set of asymmetric Toeplitz matrices”, Comput. Math. Math. Phys., 34:8-9 (1994), 1119–1123
355.	Kh. D. Ikramov, “Describing normal Toeplitz matrices”, Comput. Math. Math. Phys., 34:3 (1994), 399–404
356.	Kh. D. Ikramov, “On the unitary similarity of Hermitian Toeplitz matrices to real $(T+H)$- matrices”, Comput. Math. Math. Phys., 34:2 (1994), 253–256
357.	Kh. D. Ikramov, “A simple proof of the generalized Schur inequality”, Linear Algebra and Its Applications, 199 (1994), 143-149	3 ^[x]
358.	Kh. D. Ikramov, V. N. Chugunov, “On the Teng inverse eigenvalue problem”, Linear Algebra and Its Applications, 208/209 (1994), 397-399	2 ^[x]

1995
359.	Kh. D. Ikramov, “The adjoint matrix of a normal matrix $A$ as a polynomial in $A$”, Dokl. Math., 50:2 (1995), 243–244

1993
360.	Kh. D. Ikramov, “Symmetrization of complex normal matrices”, Comput. Math. Math. Phys., 33:6 (1993), 837–842
361.	Kh. D. Ikramov, “Invariant subspaces of real matrix algebras and Burnside's theorem”, Comput. Math. Math. Phys., 33:5 (1993), 717–720
362.	Kh. D. Ikramov, “The monotonicity of the eigenvalues of doubly symmetric matrices”, Comput. Math. Math. Phys., 33:4 (1993), 561–564
363.	Kh. D. Ikramov, “Unitary-triangular factorizations of a normal matrix”, Comput. Math. Math. Phys., 33:3 (1993), 407–410

1992
364.	Kh. D. Ikramov, “Algebraic properties of classes of concommuting and $H$-selfadjoint matrices”, Comput. Math. Math. Phys., 32:8 (1992), 1037–1048
365.	Kh. D. Ikramov, “Some comments on the generalized Cholesky algorithm”, Comput. Math. Math. Phys., 32:7 (1992), 1007–1011
366.	Kh. D. Ikramov, “Concommutativity classes generated by matrices with multiple conspectrum”, Comput. Math. Math. Phys., 32:6 (1992), 719–727
367.	Kh. D. Ikramov, “Block symmetries in spectral problems for matrix bundles”, Comput. Math. Math. Phys., 32:1 (1992), 128–131
368.	Kh. D. Ikramov, “Forma Shura kompleksnoi matritsy otnositelno psevdopodobiya i ee vychislenie”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 1992, no. 3, 46–53

1993
369.	Kh. D. Ikramov, “Matrix pencils—theory, applications, numerical methods”, J. Soviet Math., 64:2 (1993), 783–853

1991
370.	Kh. D. Ikramov, “The biorthogonal algorithm as the Lanczos method in a metric with indefinite sign”, U.S.S.R. Comput. Math. Math. Phys., 31:12 (1991), 99–101
371.	Kh. D. Ikramov, “The conditions for the reducibility and canonical forms of Hamiltonian matrices with pure imaginary eigenvalues”, U.S.S.R. Comput. Math. Math. Phys., 31:8 (1991), 1–6
372.	Kh. D. Ikramov, “Computing the eigenvalues of skew-symmetric matrices”, U.S.S.R. Comput. Math. Math. Phys., 31:6 (1991), 101–103
373.	Kh. D. Ikramov, “O svyazi mezhdu biortogonalnym algoritmom i metodom Lantsosha v prostranstve s neznakoopredelennoi metrikoi”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 1991, no. 3, 19–23
374.	Kh. D. Ikramov, Nesimmetrichnaya problema sobstvennykh znachenii, Nauka, Moskva, 1991 , 240 pp.

1990
375.	Kh. D. Ikramov, “The use of block symmetries to solve algebraic eigenvalue problems”, U.S.S.R. Comput. Math. Math. Phys., 30:6 (1990), 9–16
376.	Kh. D. Ikramov, “Matrichnye uravneniya i problema sobstvennykh znachenii dlya gamiltonovykh i J-simmetrichnykh matrits”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 1990, no. 4, 40–44

1989
377.	Kh. D. Ikramov, “A diagonalization theorem for a type of Hamiltonian using operator theory in spaces with an indefinite metric”, U.S.S.R. Comput. Math. Math. Phys., 29:1 (1989), 1–8
378.	Kh. D. Ikramov, “Ob invariantnosti brauerovskogo diagonalnogo preobladaniya otnositelno gaussova isklyucheniya”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 1989, no. 2, 71–73
379.	Kh. D. Ikramov, Vychislitelnye metody lineinoi algebry, Znanie, Moskva, 1989 , 44 pp.

1988
380.	Kh. D. Ikramov, “Undecomposable Hamiltonian matrices with pure imaginary spectrum”, U.S.S.R. Comput. Math. Math. Phys., 28:6 (1988), 203–207
381.	Kh. D. Ikramov, “Singular values and polar factorization of an operator in a bilinear metric space”, U.S.S.R. Comput. Math. Math. Phys., 28:1 (1988), 85–87
382.	Kh. D. Ikramov, “Ob obratnykh k matritsam s preobladayuschei blochnoi diagonalyu”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 1988, no. 2, 15–18
383.	Kh. D. Ikramov, E. A. Zaikova, “J-singulyarnoe razlozhenie nevyrozhdennykh matrits chetnogo poryadka”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 1988, no. 1, 23–27
384.	Kh. D. Ikramov, Chislennye metody dlya simmetrichnykh lineinykh sistem, Nauka, Moskva, 1988 , 160 pp.

1987
385.	Kh. D. Ikramov, “O J-singulyarnykh chislakh matritsy”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 1987, no. 2, 67–69
386.	Kh. D. Ikramov, Chislennye metody lineinoi algebry, Znanie, Moskva, 1987 , 48 pp.
387.	Kh. D. Ikramov, “Sparse linear problems of the method of least squares”, J. Soviet Math., 39:6 (1987), 3148–3189

1985
388.	Kh. D. Ikramov, “On the comparative value of Gaussian growth coefficients for mutually inverse matrices”, U.S.S.R. Comput. Math. Math. Phys., 25:1 (1985), 87–89

1984
389.	Kh. D. Ikramov, “Multiplication of a perforated matrix by a vector”, U.S.S.R. Comput. Math. Math. Phys., 24:6 (1984), 84–86
390.	Kh. D. Ikramov, Chislennoe reshenie matrichnykh uravnenii, Nauka, Moskva, 1984 , 190 pp.

1983
391.	Kh. D. Ikramov, “Growth of extradiagonal elements of a matrix in bordering methods”, U.S.S.R. Comput. Math. Math. Phys., 23:4 (1983), 138–139
392.	Kh. D. Ikramov, “Duality relations connected with Gaussian elimination”, U.S.S.R. Comput. Math. Math. Phys., 23:1 (1983), 149–151
393.	Kh. D. Ikramov, “O blochnom analoge svoistva diagonalnogo preobladaniya”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 1983, no. 4, 52–55

1986
394.	Kh. D. Ikramov, “Sparse matrices”, J. Soviet Math., 34:3 (1986), 1697–1749

1982
395.	Kh. D. Ikramov, N. V. Savina, “Appropriateness of uniform scaling of a matrix in the optimal elimination method”, U.S.S.R. Comput. Math. Math. Phys., 22:6 (1982), 229–232
396.	Kh. D. Ikramov, “The analysis of rounding errors for non-orthogonal methods of solving linear algebraic systems”, U.S.S.R. Comput. Math. Math. Phys., 22:2 (1982), 1–11
397.	Kh. D. Ikramov, “Ob ustoichivosti metoda Gaussa dlya matrits so znakoopredelennymi ermitovymi komponentami”, Vestnik Moskovskogo un-ta. Seriya 15. Vychisl. matematika i kibernetika, 1982, no. 2, 69–71

1981
398.	Kh. D. Ikramov, “The complexity of some spectral problems for Toeplitz matrices”, U.S.S.R. Comput. Math. Math. Phys., 21:4 (1981), 216–221
399.	Kh. D. Ikramov, “Some methods of using symmetry to reduce the order of linearly-algebraic problems”, U.S.S.R. Comput. Math. Math. Phys., 21:3 (1981), 240–245

1978
400.	Kh. D. Ikramov, “The condition of intermediate matrices for Gauss, Jordan and optimal elimination methods”, U.S.S.R. Comput. Math. Math. Phys., 18:3 (1978), 1–16

1975
401.	Kh. D. Ikramov, Zadachnik po lineinoi algebre, Nauka, Moskva, 1975 , 320 pp.

1971
402.	Kh. D. Ikramov, “The eigenvalues of principal submatrices of a normal matrix”, U.S.S.R. Comput. Math. Math. Phys., 11:6 (1971), 240–245
403.	Kh. D. Ikramov, “An inclusion theorem for eigenvalues of tridiagonal matrices”, U.S.S.R. Comput. Math. Math. Phys., 11:5 (1971), 242–243

1970
404.	Kh. D. Ikramov, “Some estimates for the eigenvalues of a matrix”, U.S.S.R. Comput. Math. Math. Phys., 10:1 (1970), 226–233

1969
405.	Kh. D. Ikramov, “Representations of matrix norms”, U.S.S.R. Comput. Math. Math. Phys., 9:6 (1969), 180–188
406.	Kh. D. Ikramov, N. V. Petri, “Matching of vector and matrix norms”, U.S.S.R. Comput. Math. Math. Phys., 9:5 (1969), 1–14

1968
407.	N. V. Petri, Kh. D. Ikramov, “Extremal properties of some matrix norms”, U.S.S.R. Comput. Math. Math. Phys., 8:4 (1968), 219–230

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Lomonosov Moscow State University, Faculty of Computational Mathematics and Cybernetics

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