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Found 2,100 Documents (Results 1–100)

Some recent developments on the geometry of random spherical eigenfunctions. (English) Zbl 07763396

Hujdurović, Ademir (ed.) et al., European congress of mathematics. Proceedings of the 8th congress, 8ECM, Portorož, Slovenia, June 20–26, 2021. Berlin: European Mathematical Society (EMS). 337-365 (2023).
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Unconditional convergence of general Fourier series. (English. Russian original) Zbl 1511.42026

Proc. Steklov Inst. Math. 319, 74-84 (2022); translation from Tr. Mat. Inst. Steklova 319, 83-93 (2022).
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Approximate integration of canonical second-order ordinary differential equations by the Chebyshev series method with an error estimation of the solution and its derivative. (English. Russian original) Zbl 07628038

Mosc. Univ. Math. Bull. 77, No. 4, 191-198 (2022); translation from Vestn. Mosk. Univ., Ser. I 77, No. 4, 27-34 (2022).
MSC:  65Lxx 65Dxx
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Analytical solution of the Klein-Fock-Gordon equation for the modified Klingberg plus ring shaped potentials. (English. Russian original) Zbl 1515.81096

Russ. Phys. J. 65, No. 2, 226-236 (2022); translation from Izv. Vyssh. Uchebn. Zaved., Fiz. 65, No. 2, 29-37 (2022).
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Spectral expansions of non-self-adjoint generalized Laguerre semigroups. (English) Zbl 1505.47042

Memoirs of the American Mathematical Society 1336. Providence, RI: American Mathematical Society (AMS) (ISBN 978-1-4704-4936-0/pbk; 978-1-4704-6752-4/ebook). v, 182 p. (2021).
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New representations of the Laguerre-Sobolev and Jacobi-Sobolev orthogonal polynomials. (English) Zbl 1482.33007

Gesztesy, Fritz (ed.) et al., From operator theory to orthogonal polynomials, combinatorics, and number theory. A volume in honor of Lance Littlejohn’s 70th birthday. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 285, 305-327 (2021).
MSC:  33C47 33C45 34L10
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A differential analogue of Favard’s theorem. (English) Zbl 1500.42010

Gesztesy, Fritz (ed.) et al., From operator theory to orthogonal polynomials, combinatorics, and number theory. A volume in honor of Lance Littlejohn’s 70th birthday. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 285, 239-263 (2021).
MSC:  42C05 33C45 41A58
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Applying the method of integration of ordinary differential equations based on the Chebyshev series to the restricted plane circular three-body problem. (English. Russian original) Zbl 07432170

Mosc. Univ. Math. Bull. 76, No. 3, 118-122 (2021); translation from Vestn. Mosk. Univ., Ser. I 76, No. 3, 31-36 (2021).
MSC:  65Lxx 65-XX
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