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Publications in Math-Net.Ru |
Citations |
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2024 |
1. |
A. S. Leonov, “Methods for solving ill-conditioned systems of linear algebraic equations that improve the conditionality”, Izv. Vyssh. Uchebn. Zaved. Mat., 2024, no. 8, 34–44 |
2. |
A. S. Leonov, D. V. Lukyanenko, A. G. Yagola, “"Fast" algorithm for solving some three-dimensional inverse problems of magnetometry”, Matem. Mod., 36:1 (2024), 41–58 |
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2023 |
3. |
A. S. Leonov, N. N. Nefedov, A. N. Sharov, A. G. Yagola, ““Fast” solution of the three-dimensional inverse problem of quasi-static elastography with the help of the small parameter method”, Zh. Vychisl. Mat. Mat. Fiz., 63:3 (2023), 449–464 ; Comput. Math. Math. Phys., 63:3 (2023), 425–440 |
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2022 |
4. |
A. B. Bakushinsky, A. S. Leonov, “Computing magnifier for refining the position and shape of three-dimensional objects in acoustic sensing”, Matem. Mod., 34:5 (2022), 3–26 |
5. |
A. S. Leonov, N. N. Nefedov, A. N. Sharov, A. G. Yagola, “Solution of the two-dimensional inverse problem of quasistatic elastography with the help of the small parameter method”, Zh. Vychisl. Mat. Mat. Fiz., 62:5 (2022), 854–860 ; Comput. Math. Math. Phys., 62:5 (2022), 827–833 |
1
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6. |
A. B. Bakushinskii, A. S. Leonov, “Fast solution algorithm for a three-dimensional inverse multifrequency problem of scalar acoustics with data in a cylindrical domain”, Zh. Vychisl. Mat. Mat. Fiz., 62:2 (2022), 289–304 ; Comput. Math. Math. Phys., 62:2 (2022), 287–301 |
6
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2020 |
7. |
A. S. Leonov, “Effective algorithms for computing global and local posterior error estimates of solutions to linear ill-posed problems”, Izv. Vyssh. Uchebn. Zaved. Mat., 2020, no. 2, 29–38 ; Russian Math. (Iz. VUZ), 64:2 (2020), 26–34 |
6
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8. |
Ya. Wang, A. S. Leonov, D. V. Lukyanenko, V. D. Shinkarev, A. G. Yagola, “On phase correction in tomographic research”, Sib. Zh. Ind. Mat., 23:4 (2020), 18–29 ; J. Appl. Industr. Math., 14:4 (2020), 802–810 |
3
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9. |
A. B. Bakushinskii, A. S. Leonov, “Numerical solution of an inverse multifrequency problem in scalar acoustics”, Zh. Vychisl. Mat. Mat. Fiz., 60:6 (2020), 1013–1026 ; Comput. Math. Math. Phys., 60:6 (2020), 987–999 |
8
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10. |
A. S. Leonov, “Extra-optimal methods for solving ill-posed problems: survey of theory and examples”, Zh. Vychisl. Mat. Mat. Fiz., 60:6 (2020), 985–1012 ; Comput. Math. Math. Phys., 60:6 (2020), 960–986 |
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2019 |
11. |
A. S. Leonov, “Methods for solving ill-posed extremum problems with optimal and extra-optimal quality”, Mat. Zametki, 105:3 (2019), 406–420 ; Math. Notes, 105:3 (2019), 385–397 |
2
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12. |
A. B. Bakushinsky, A. S. Leonov, “Numerical solution to a three-dimensional coefficient inverse problem for the wave equation with integral data in a cylindrical domain”, Sib. Zh. Vychisl. Mat., 22:4 (2019), 381–397 ; Num. Anal. Appl., 12:4 (2019), 311–325 |
1
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13. |
A. S. Leonov, “A new algorithm for a posteriori error estimation for approximate solutions of linear ill-posed problems”, Zh. Vychisl. Mat. Mat. Fiz., 59:2 (2019), 203–210 ; Comput. Math. Math. Phys., 59:2 (2019), 193–200 |
1
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2018 |
14. |
A. B. Bakushinskii, A. S. Leonov, “Low-cost numerical method for solving a coefficient inverse problem for the wave equation in three-dimensional space”, Zh. Vychisl. Mat. Mat. Fiz., 58:4 (2018), 561–574 ; Comput. Math. Math. Phys., 58:4 (2018), 548–561 |
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2016 |
15. |
A. S. Leonov, “On possibility of obtaining linear accuracy evaluation of approximate solutions to inverse problems”, Izv. Vyssh. Uchebn. Zaved. Mat., 2016, no. 10, 29–35 ; Russian Math. (Iz. VUZ), 60:10 (2016), 23–28 |
5
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16. |
A. S. Leonov, “Regularizing algorithms with optimal and extra-optimal quality”, Sib. Zh. Vychisl. Mat., 19:4 (2016), 371–383 ; Num. Anal. Appl., 9:4 (2016), 288–298 |
2
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17. |
A. S. Leonov, “Locally extra-optimal regularizing algorithms and a posteriori estimates of the accuracy for ill-posed problems with discontinuous solutions”, Zh. Vychisl. Mat. Mat. Fiz., 56:1 (2016), 3–15 ; Comput. Math. Math. Phys., 56:1 (2016), 1–13 |
4
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2014 |
18. |
A. S. Leonov, “Which of inverse problems can have a priori approximate solution accuracy estimates comparable in order with the data accuracy”, Sib. Zh. Vychisl. Mat., 17:4 (2014), 339–348 ; Num. Anal. Appl., 7:4 (2014), 284–292 |
6
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19. |
A. B. Bakushinskii, A. S. Leonov, “New a posteriori error estimates for approximate solutions to iregular operator equations”, Num. Meth. Prog., 15:2 (2014), 359–369 |
4
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20. |
A. S. Leonov, “Can an a priori error estimate for an approximate solution of an ill-posed problem be comparable with the error in data?”, Zh. Vychisl. Mat. Mat. Fiz., 54:4 (2014), 562–568 ; Comput. Math. Math. Phys., 54:4 (2014), 575–581 |
7
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2013 |
21. |
A. S. Leonov, “Pointwise extra-optimal regularizing algorithms”, Num. Meth. Prog., 14:2 (2013), 215–228 |
3
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2012 |
22. |
A. S. Leonov, “A posteriori accuracy estimations of solutions of ill-posed inverse problems and extra-optimal regularizing algorithms for their solution”, Sib. Zh. Vychisl. Mat., 15:1 (2012), 83–100 ; Num. Anal. Appl., 5:1 (2012), 68–83 |
25
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23. |
A. S. Leonov, “Higher-order total variations for functions of several variables and their application in the theory of ill-posed problems”, Trudy Inst. Mat. i Mekh. UrO RAN, 18:1 (2012), 198–212 ; Proc. Steklov Inst. Math. (Suppl.), 280, suppl. 1 (2013), 119–133 |
2
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2010 |
24. |
A. S. Leonov, “On a posteriori accuracy estimates for solutions of linear
ill-posed problems and extra-optimal regularizing algorithms”, Num. Meth. Prog., 11:1 (2010), 14–24 |
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2008 |
25. |
A. S. Leonov, “On elimination of accuracy saturation of regularizing algorithms”, Sib. Zh. Vychisl. Mat., 11:2 (2008), 167–186 ; Num. Anal. Appl., 1:2 (2008), 135–150 |
6
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2007 |
26. |
A. S. Leonov, “On the total-variation convergence of regularizing algorithms for ill-posed problems”, Zh. Vychisl. Mat. Mat. Fiz., 47:5 (2007), 767–783 ; Comput. Math. Math. Phys., 47:5 (2007), 732–747 |
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2005 |
27. |
A. S. Leonov, “On the $H$-property of functionals in Sobolev spaces”, Mat. Zametki, 77:3 (2005), 378–394 ; Math. Notes, 77:3 (2005), 348–363 |
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2004 |
28. |
A. S. Leonov, “Functionals with the $H$-property in the Sobolev space $W_1^1$”, Mat. Sb., 195:6 (2004), 121–136 ; Sb. Math., 195:6 (2004), 879–896 |
2
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2003 |
29. |
A. S. Leonov, “General regularizing functionals for solving ill-posed problems in Lebesgue spaces”, Sibirsk. Mat. Zh., 44:6 (2003), 1295–1309 ; Siberian Math. J., 44:6 (2003), 1015–1026q |
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2001 |
30. |
A. S. Leonov, “Numerical implementation of special regularizing algorithms for solving a class of ill-posed problems with sourcewise represented solutions”, Sib. Zh. Vychisl. Mat., 4:3 (2001), 269–280 |
4
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31. |
A. S. Leonov, A. G. Yagola, “Adaptive optimal algorithms for ill-posed problems with sourcewise represented solutions”, Zh. Vychisl. Mat. Mat. Fiz., 41:6 (2001), 855–873 ; Comput. Math. Math. Phys., 41:6 (2001), 807–824 |
2
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2000 |
32. |
A. S. Leonov, “A generalization of the maximal entropy method for solving ill-posed problems”, Sibirsk. Mat. Zh., 41:4 (2000), 863–872 ; Siberian Math. J., 41:4 (2000), 716–724 |
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1999 |
33. |
A. S. Leonov, “Application of function of several variables with bounded variation to numerical solution of two-dimensional ill-posed problems”, Sib. Zh. Vychisl. Mat., 2:3 (1999), 257–271 |
5
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34. |
A. S. Leonov, “Piecewise uniform regularization of two-dimensional ill-posed problems with discontinuous solutions”, Zh. Vychisl. Mat. Mat. Fiz., 39:12 (1999), 1939–1944 ; Comput. Math. Math. Phys., 39:12 (1999), 1861–1866 |
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1998 |
35. |
A. S. Leonov, A. G. Yagola, “Optimal methods for solving ill-posed problems with sourcewise representated solutions”, Fundam. Prikl. Mat., 4:3 (1998), 1029–1046 |
36. |
A. S. Leonov, “On the total variation for functions of several variables and a multidimensional analog of Helly's selection principle”, Mat. Zametki, 63:1 (1998), 69–80 ; Math. Notes, 63:1 (1998), 61–71 |
27
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37. |
A. S. Leonov, “On multidimensional ill-posed problems with discontinuous solutions”, Sibirsk. Mat. Zh., 39:1 (1998), 74–86 ; Siberian Math. J., 39:1 (1998), 63–73 |
4
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38. |
A. S. Leonov, “Some remarks on the minimal pseudoinverse matrix method”, Zh. Vychisl. Mat. Mat. Fiz., 38:7 (1998), 1085–1090 ; Comput. Math. Math. Phys., 38:7 (1998), 1036–1041 |
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1996 |
39. |
A. S. Leonov, “On the use of functions of several variables with bounded
variation for piecewise-uniform regularization of ill-posed problems”, Dokl. Akad. Nauk, 351:5 (1996), 592–595 |
5
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40. |
A. S. Leonov, “Functions of several variables with bounded variation in ill-posed problems”, Zh. Vychisl. Mat. Mat. Fiz., 36:9 (1996), 35–49 ; Comput. Math. Math. Phys., 36:9 (1996), 1193–1203 |
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1995 |
41. |
A. S. Leonov, “Pseudo-optimal choice of parameter in the regularization method”, Zh. Vychisl. Mat. Mat. Fiz., 35:7 (1995), 1034–1049 ; Comput. Math. Math. Phys., 35:7 (1995), 825–836 |
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1994 |
42. |
A. S. Leonov, “Some a posteriori termination rules for the iterative solution of linear ill-posed problems”, Zh. Vychisl. Mat. Mat. Fiz., 34:1 (1994), 148–154 ; Comput. Math. Math. Phys., 34:1 (1994), 121–126 |
1
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1993 |
43. |
A. S. Leonov, “On quasioptimum selection of the regularization parameter in M. M. Lavrent'ev's method”, Sibirsk. Mat. Zh., 34:4 (1993), 117–126 ; Siberian Math. J., 34:4 (1993), 695–703 |
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1991 |
44. |
A. S. Leonov, “On the accuracy of Tikhonov regularizing algorithms and the
quasi-optimal choice of regularization parameter”, Dokl. Akad. Nauk SSSR, 321:3 (1991), 460–465 ; Dokl. Math., 44:3 (1992), 711–716 |
1
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45. |
A. S. Leonov, “Problem of precision of the method of a minimal pseudoinverse matrix”, Mat. Zametki, 49:4 (1991), 81–87 ; Math. Notes, 49:4 (1991), 386–390 |
46. |
A. S. Leonov, “The minimum pseudo-inverse matrix method: Theory and numerical implementation”, Zh. Vychisl. Mat. Mat. Fiz., 31:10 (1991), 1427–1443 ; U.S.S.R. Comput. Math. Math. Phys., 31:10 (1991), 1–13 |
1
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1990 |
47. |
A. S. Leonov, “On the theory of the method of the minimal pseudo-inverse matrix”, Dokl. Akad. Nauk SSSR, 314:1 (1990), 89–93 ; Dokl. Math., 42:2 (1991), 327–332 |
1
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48. |
A. S. Leonov, “Order optimality of the accuracy of some algorithms for solving ill-posed extremal problems”, Izv. Vyssh. Uchebn. Zaved. Mat., 1990, no. 6, 30–38 ; Soviet Math. (Iz. VUZ), 34:6 (1990), 35–44 |
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1988 |
49. |
A. S. Leonov, “Optimality with respect to the order of accuracy of the generalized principle of the residual and of some other algorithms for the solution of nonlinear ill-posed problems with approximate data”, Sibirsk. Mat. Zh., 29:6 (1988), 85–94 ; Siberian Math. J., 29:6 (1988), 940–947 |
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1987 |
50. |
A. S. Leonov, “Numerical realization of piecewise-uniform regularization algorithms”, Zh. Vychisl. Mat. Mat. Fiz., 27:9 (1987), 1412–1416 ; U.S.S.R. Comput. Math. Math. Phys., 27:5 (1987), 88–91 |
3
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51. |
A. S. Leonov, “The minimal pseudo-inverse matrix method”, Zh. Vychisl. Mat. Mat. Fiz., 27:8 (1987), 1123–1138 ; U.S.S.R. Comput. Math. Math. Phys., 27:4 (1987), 107–117 |
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1986 |
52. |
A. L. Korotaev, P. I. Kuznetsov, A. S. Leonov, V. Y. Rodaman, “On determining the optimal conditions of introducing an antibacterial drug”, Avtomat. i Telemekh., 1986, no. 1, 100–106 |
53. |
S. P. Krekoten, A. S. Leonov, V. G. Sukharevsky, “On the optimal mathematical design of electromagnet systems”, Dokl. Akad. Nauk SSSR, 287:2 (1986), 312–316 |
54. |
A. S. Leonov, “On some algorithms for solving ill-posed extremal problems”, Mat. Sb. (N.S.), 129(171):2 (1986), 218–231 ; Math. USSR-Sb., 57:1 (1987), 229–242 |
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1985 |
55. |
A. S. Leonov, “The method of a minimal pseudoinverse matrix for solving ill-posed
problems of linear algebra”, Dokl. Akad. Nauk SSSR, 285:1 (1985), 36–40 |
56. |
A. S. Leonov, “Approximate calculation of a pseudoinverse matrix using a generalized discrepancy principle”, Zh. Vychisl. Mat. Mat. Fiz., 25:6 (1985), 933–935 ; U.S.S.R. Comput. Math. Math. Phys., 25:3 (1985), 181–182 |
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1983 |
57. |
A. S. Leonov, “On the solution of linear ill-posed problems on the basis of a modified quasioptimality criterion”, Mat. Sb. (N.S.), 122(164):3(11) (1983), 405–415 ; Math. USSR-Sb., 50:2 (1985), 387–397 |
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1982 |
58. |
A. S. Leonov, “On an application of the generalized residual principle for the solution of ill-posed extremal problems”, Dokl. Akad. Nauk SSSR, 262:6 (1982), 1306–1310 |
3
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59. |
A. S. Leonov, “On choosing a regularization parameter by means of the quasi-optimality and ratio criteria for ill-posed linear algebra problems with a perturbed operator”, Dokl. Akad. Nauk SSSR, 262:5 (1982), 1069–1072 |
1
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60. |
A. S. Leonov, “The connection between the generalized residual method and the generalized principle of the residual for nonlinear ill-posed problems”, Zh. Vychisl. Mat. Mat. Fiz., 22:4 (1982), 783–790 ; U.S.S.R. Comput. Math. Math. Phys., 22:4 (1982), 13–22 |
3
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61. |
A. S. Leonov, “Piecewise-uniform regularization of ill-posed problems with discontinuous solutions”, Zh. Vychisl. Mat. Mat. Fiz., 22:3 (1982), 516–531 ; U.S.S.R. Comput. Math. Math. Phys., 22:3 (1982), 20–36 |
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1980 |
62. |
A. S. Leonov, “On the regularization of ill-posed problems with discontinuous solutions and an application of this methodology for the solution of some nonlinear equations”, Dokl. Akad. Nauk SSSR, 250:1 (1980), 31–35 |
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1979 |
63. |
A. S. Leonov, “On functions of bounded generalized variation”, Dokl. Akad. Nauk SSSR, 249:4 (1979), 787–789 |
64. |
A. S. Leonov, “On algorithms for an approximate solution of nonlinear ill-posed problems with a perturbed operator”, Dokl. Akad. Nauk SSSR, 245:2 (1979), 300–304 |
65. |
A. S. Leonov, “Choice of regularization parameter for non-linear ill-posed problems with approximately specified operator”, Zh. Vychisl. Mat. Mat. Fiz., 19:6 (1979), 1363–1376 ; U.S.S.R. Comput. Math. Math. Phys., 19:6 (1979), 1–15 |
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1978 |
66. |
A. S. Leonov, “On the choice of regularization parameters by means of the quasi- optimality and ratio criteria”, Dokl. Akad. Nauk SSSR, 240:1 (1978), 18–20 |
67. |
A. S. Leonov, “On the justification of the choice of the regularization parameter based on quasi-optimality and relation tests”, Zh. Vychisl. Mat. Mat. Fiz., 18:6 (1978), 1363–1376 ; U.S.S.R. Comput. Math. Math. Phys., 18:6 (1978), 1–15 |
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1977 |
68. |
A. S. Leonov, “Calculation of the values of unbounded operators by the averaging method”, Dokl. Akad. Nauk SSSR, 235:1 (1977), 23–26 |
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1975 |
69. |
A. S. Leonov, “On the construction of stable difference schemes for solving nonlinear boundary value problems”, Dokl. Akad. Nauk SSSR, 224:3 (1975), 525–528 |
70. |
Yu. A. Eremin, A. S. Leonov, “The construction of stable difference schemes for second order linear differential operators of indefinite sign”, Zh. Vychisl. Mat. Mat. Fiz., 15:3 (1975), 635–643 ; U.S.S.R. Comput. Math. Math. Phys., 15:3 (1975), 86–94 |
71. |
A. V. Goncharsky, A. S. Leonov, A. G. Yagola, “The applicability of the principle of the residual in the case of nonlinear ill-posed problems, and a new regularizing algorithm for their solution”, Zh. Vychisl. Mat. Mat. Fiz., 15:2 (1975), 290–297 ; U.S.S.R. Comput. Math. Math. Phys., 15:2 (1975), 8–16 |
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1974 |
72. |
A. V. Goncharsky, A. S. Leonov, A. G. Yagola, “On the residual principle for solving nonlinear ill-posed problems”, Dokl. Akad. Nauk SSSR, 214:3 (1974), 499–500 |
73. |
A. V. Goncharsky, A. S. Leonov, A. G. Yagola, “The regularization of ill-posed problems with approximately given operator”, Zh. Vychisl. Mat. Mat. Fiz., 14:4 (1974), 1022–1027 ; U.S.S.R. Comput. Math. Math. Phys., 14:4 (1974), 195–201 |
3
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74. |
A. V. Goncharsky, A. S. Leonov, A. G. Yagola, “Finite difference approximation of linear ill-posed problems”, Zh. Vychisl. Mat. Mat. Fiz., 14:1 (1974), 15–24 ; U.S.S.R. Comput. Math. Math. Phys., 14:1 (1974), 14–23 |
4
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1973 |
75. |
A. V. Goncharsky, A. S. Leonov, A. G. Yagola, “A generalized residual principle”, Zh. Vychisl. Mat. Mat. Fiz., 13:2 (1973), 294–302 ; U.S.S.R. Comput. Math. Math. Phys., 13:2 (1973), 25–37 |
38
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1972 |
76. |
A. V. Goncharsky, A. S. Leonov, A. G. Yagola, “A generalization of the discrepancy principle for the case of an operator specified with an error”, Dokl. Akad. Nauk SSSR, 203:6 (1972), 1238–1239 |
1
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77. |
A. V. Goncharsky, A. S. Leonov, A. G. Yagola, “A certain regularizing algorithm for ill-posed problems with an approximately given operator”, Zh. Vychisl. Mat. Mat. Fiz., 12:6 (1972), 1592–1594 ; U.S.S.R. Comput. Math. Math. Phys., 12:6 (1972), 286–290 |
9
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78. |
A. V. Goncharsky, A. S. Leonov, A. G. Yagola, “Certain estimates of the rate of convergence of regularized approximations for equations of convolution type”, Zh. Vychisl. Mat. Mat. Fiz., 12:3 (1972), 762–770 ; U.S.S.R. Comput. Math. Math. Phys., 12:3 (1972), 243–254 |
2
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79. |
A. V. Goncharskii, L. G. Gushchina, A. S. Leonov, A. G. Yagola, “Certain algorithms for finding the approximate solution of ill-posed problems on a set of monotone functions”, Zh. Vychisl. Mat. Mat. Fiz., 12:2 (1972), 283–297 ; U.S.S.R. Comput. Math. Math. Phys., 12:2 (1972), 1–18 |
1
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1971 |
80. |
A. V. Goncharsky, A. G. Yagola, A. S. Leonov, “The solution of two-dimensional Fredholm integral equations of the first kind with a kernel that depends on the difference of the arguments”, Zh. Vychisl. Mat. Mat. Fiz., 11:5 (1971), 1296–1301 ; U.S.S.R. Comput. Math. Math. Phys., 11:5 (1971), 253–260 |
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1992 |
81. |
Yu. A. Eremin, A. S. Leonov, A. I. Prilepko, “Inverse problems in partial differential equations. Eds D. Colton, R. Ewing, W. Rundell. Proc. SIAM. Philadelphia, 1990. Book review”, Zh. Vychisl. Mat. Mat. Fiz., 32:7 (1992), 1149–1150 |
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