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Found 645 Documents (Results 1–100)

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Orthogonality relations for the primitives of Legendre polynomials and their applications to some spectral problems for differential operators. (English. Russian original) Zbl 07431869

Math. Notes 110, No. 4, 489-496 (2021); translation from Mat. Zametki 110, No. 4, 498-506 (2021).
MSC:  33C45 34Lxx
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Titchmarsh-Weyl formula for the spectral density of a class of Jacobi matrices in the critical case. (English. Russian original) Zbl 1478.15051

Funct. Anal. Appl. 55, No. 2, 94-112 (2021); translation from Funkts. Anal. Prilozh. 55, No. 2, 21-43 (2021).
MSC:  15B52 60B20 33C45
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Orthogonal polynomials and linear functionals. An algebraic approach and applications. (English) Zbl 1475.33001

EMS Series of Lectures in Mathematics. Berlin: European Mathematical Society (EMS) (ISBN 978-3-98547-008-2/pbk; 978-3-98547-508-7/ebook). viii, 120 p. (2021).
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Revisiting biorthogonal polynomials: an \(LU\) factorization discussion. (English) Zbl 1460.33011

Marcellán, Francisco (ed.) et al., Orthogonal polynomials: current trends and applications. Proceedings of the 7th EIBPOA conference, Universidad Carlos III de Madrid, Leganés, Spain, July 3–6, 2018. Cham: Springer. SEMA SIMAI Springer Ser. 22, 273-307 (2021).
MSC:  33C45 42C05
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The symmetrization problem for multiple orthogonal polynomials. (English) Zbl 1460.33005

Marcellán, Francisco (ed.) et al., Orthogonal polynomials: current trends and applications. Proceedings of the 7th EIBPOA conference, Universidad Carlos III de Madrid, Leganés, Spain, July 3–6, 2018. Cham: Springer. SEMA SIMAI Springer Ser. 22, 17-51 (2021).
MSC:  33C45 39B42
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Optimization of the Wishart joint eigenvalue probability density distribution based on the Vandermonde determinant. (English) Zbl 1473.15046

Silvestrov, Sergei (ed.) et al., Algebraic structures and applications. Selected papers based on the presentations at the international conference on stochastic processes and algebraic structures – from theory towards applications, SPAS 2017, Västerås and Stockholm, Sweden, October 4–6, 2017. Cham: Springer. Springer Proc. Math. Stat. 317, 819-838 (2020).
MSC:  15B52 15A15 33C45
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Extreme points of the Vandermonde determinant on surfaces implicitly determined by a univariate polynomial. (English) Zbl 1479.15005

Silvestrov, Sergei (ed.) et al., Algebraic structures and applications. Selected papers based on the presentations at the international conference on stochastic processes and algebraic structures – from theory towards applications, SPAS 2017, Västerås and Stockholm, Sweden, October 4–6, 2017. Cham: Springer. Springer Proc. Math. Stat. 317, 791-818 (2020).
MSC:  15A15 33C45 62K05
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The Hermitian Jacobi process: a simplified formula for the moments and application to optical fiber MIMO channels. (English. Russian original) Zbl 1470.15032

Funct. Anal. Appl. 54, No. 4, 257-271 (2020); translation from Funkts. Anal. Prilozh. 54, No. 4, 37-55 (2020).
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Series solution of a ten-parameter second-order differential equation with three regular singularities and one irregular singularity. (English. Russian original) Zbl 1445.81021

Theor. Math. Phys. 202, No. 1, 17-29 (2020); translation from Teor. Mat. Fiz. 202, No. 1, 20-33 (2020); correction ibid. 205, No. 1, 1391 (2020).
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Matrix valued Laguerre polynomials. (English) Zbl 07201930

Buskes, Gerard (ed.) et al., Positivity and noncommutative analysis. Festschrift in honour of Ben de Pagter on the occasion of his 65th birthday. Based on the workshop “Positivity and Noncommutative Analysis”, Delft, The Netherlands, September 26–28, 2018. Cham: Birkhäuser. Trends Math., 295-320 (2019).
MSC:  47A56 33C45
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Local perturbation of the discrete Schrödinger operator and a generalized Chebyshev oscillator. (English. Russian original) Zbl 1436.81041

Theor. Math. Phys. 200, No. 3, 1348-1359 (2019); translation from Teor. Mat. Fiz. 200, No. 3, 494-506 (2019).
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Markov \(L_2\)-inequality with the Laguerre weight. (English) Zbl 1445.41004

Ivanov, Kamen (ed.) et al., Constructive theory of functions. Proceedings of the 12th international conference, Sozopol, Bulgaria, June 11–17, 2016. Sofia: Prof. Marin Drinov Academic Publishing House. 207-221 (2018).
MSC:  41A17
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A further look at time-and-band limiting for matrix orthogonal polynomials. (English) Zbl 1411.33008

Nashed, M. Zuhair (ed.) et al., Frontiers in orthogonal polynomials and \(q\)-series. Papers based on the international conference, University of Central Florida, Orlando, FL, USA, May 10–12, 2015. Dedicated to Professor Mourad Ismail on his 70th birthday. Hackensack, NJ: World Scientific. Contemp. Math. Appl., Monogr. Expo. Lect. Notes 1, 139-153 (2018).
MSC:  33C45 33C47
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