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Shakirov, Iskander Asgatovich
Statistics Math-Net.Ru
Total publications: 17
Scientific articles: 17
Presentations: 4

Number of views:
This page:2879
Abstract pages:4397
Full texts:1396
References:648
Associate professor
Candidate of physico-mathematical sciences
E-mail: ,

https://www.mathnet.ru/eng/person43953
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List of publications on ZentralBlatt

Publications in Math-Net.Ru Citations
2023
1. I. A. Shakirov, “Approximation of the Lebesgue constant of the Fourier operator by a logarithmic-fractional-rational function”, Izv. Vyssh. Uchebn. Zaved. Mat., 2023, no. 11,  75–85  mathnet
2022
2. I. A. Shakirov, “Approximation of the Lebesgue constant of the Fourier operator by a logarithmic function”, Izv. Vyssh. Uchebn. Zaved. Mat., 2022, no. 5,  86–93  mathnet; Russian Math. (Iz. VUZ), 66:5 (2022), 70–76 2
2021
3. I. A. Shakirov, “On the refinement of the asymptotic formula for the Lebesgue function of the Lagrange polynomial”, Itogi Nauki i Tekhniki. Sovrem. Mat. Pril. Temat. Obz., 192 (2021),  142–149  mathnet
2018
4. I. A. Shakirov, “Approximation of the Lebesgue Constant of a Lagrange Polynomial by a Logarithmic Function with Shifted Argument”, Itogi Nauki i Tekhniki. Sovrem. Mat. Pril. Temat. Obz., 153 (2018),  151–157  mathnet  mathscinet; J. Math. Sci. (N. Y.), 252:3 (2021), 445–452 1
5. I. A. Shakirov, “On two-sided estimate for norm of Fourier operator”, Ufimsk. Mat. Zh., 10:1 (2018),  96–117  mathnet  elib; Ufa Math. J., 10:1 (2018), 94–114  isi  scopus 1
2017
6. I. A. Shakirov, “On optimal approximations of the norm of the Fourier operator by a family of logarithmic functions”, Itogi Nauki i Tekhniki. Sovrem. Mat. Pril. Temat. Obz., 139 (2017),  104–113  mathnet  mathscinet  zmath; Journal of Mathematical Sciences, 241:3 (2019), 354–363 4
7. I. A. Shakirov, “Asymptotic Formulas for Lebesgue Functions Corresponding to the Family of Lagrange Interpolation Polynomials”, Mat. Zametki, 102:1 (2017),  133–147  mathnet  mathscinet  elib; Math. Notes, 102:1 (2017), 111–123  isi  scopus 1
2016
8. I. A. Shakirov, “On a limit value of a remainder of the Lebesgue constant corresponding to the Lagrange trigonometrical polynomial”, Izv. Saratov Univ. Math. Mech. Inform., 16:3 (2016),  302–310  mathnet  mathscinet  elib 2
2015
9. I. A. Shakirov, “On a refinement of the asymptotic formula for the Lebesgue constants”, Izv. Saratov Univ. Math. Mech. Inform., 15:2 (2015),  180–186  mathnet  elib 1
2014
10. I. A. Shakirov, “Influence of the choice of Lagrange interpolation nodes on the exact and approximate values of the Lebesgue constants”, Sibirsk. Mat. Zh., 55:6 (2014),  1404–1423  mathnet  mathscinet; Siberian Math. J., 55:6 (2014), 1144–1160  isi  scopus 9
2013
11. I. A. Shakirov, “About the Fundamental Characteristics of the Lagrange Interpolation Polynomials Family”, Izv. Saratov Univ. Math. Mech. Inform., 13:1(2) (2013),  99–104  mathnet  elib 3
12. I. A. Shakirov, “Lebesgue functions corresponding to a family of Lagrange interpolation polynomials”, Izv. Vyssh. Uchebn. Zaved. Mat., 2013, no. 7,  77–89  mathnet; Russian Math. (Iz. VUZ), 57:7 (2013), 66–76  scopus 3
2011
13. I. A. Shakirov, “A complete description of the Lebesgue functions for classical Lagrange interpolation polynomials”, Izv. Vyssh. Uchebn. Zaved. Mat., 2011, no. 10,  80–88  mathnet  mathscinet  elib; Russian Math. (Iz. VUZ), 55:10 (2011), 70–77  scopus 8
2010
14. I. A. Shakirov, “The Lagrange trigonometric interpolation polynomial with the minimal norm considered as an operator from $C_{2\pi}$ to $C_{2\pi}$”, Izv. Vyssh. Uchebn. Zaved. Mat., 2010, no. 10,  60–68  mathnet  mathscinet; Russian Math. (Iz. VUZ), 54:10 (2010), 52–59  scopus 4
1992
15. I. A. Shakirov, “On an approach to the investigation of quadrature formulas of the highest degree of accuracy”, Konstr. Teor. Funkts. Funkts. Anal., 8 (1992),  91–95  mathnet  mathscinet  zmath
1991
16. I. A. Shakirov, “Quadrature formulas for a singular integral with shift and their applications”, Differ. Uravn., 27:4 (1991),  682–691  mathnet  mathscinet; Differ. Equ., 27:4 (1991), 487–494 2

Presentations in Math-Net.Ru
1. О последовательном улучшении точности аппроксимации константы Лебега оператора Фурье логарифмическо-дробно-рациональными функциями
I. A. Shakirov
XXII International Saratov Winter School "Contemporary Problems of Function Theory and Their Applications", dedicated to the 300th anniversary of the Russian Academy of Sciences
January 30, 2024 16:00   
2. Асимптотические представления фундаментальных характеристик операторов Лагранжа и Фурье, связанные с ними экстремальные задачи
I. A. Shakirov

May 17, 2022 17:30
3. Асимптотические представления фундаментальных характеристик операторов Лагранжа и Фурье, связанные с ними экстремальные задачи, и некоторые приложения (докторская диссертация)
I. A. Shakirov

September 23, 2021 17:15
4. О точном значении неопределенной константы в асимптотической формуле для константы Лебега классического оператора Фурье
I. A. Shakirov
International conference on Function Spaces and Approximation Theory dedicated to the 110th anniversary of S. M. Nikol'skii
May 27, 2015 14:55

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