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Found 23,260 Documents (Results 1–100)

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On approximation properties of Fourier series in Jacobi polynomials \(P_n^{\alpha-r,-r}(x)\) orthogonal in the sense of Sobolev. (English. Russian original) Zbl 07550597

Math. Notes 111, No. 6, 827-840 (2022); translation from Mat. Zametki 111, No. 6, 803-818 (2022).
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Data driven reconstruction using frames and Riesz bases. (English) Zbl 07543852

Jadamba, Baasansuren (ed.) et al., Deterministic and stochastic optimal control and inverse problems. Boca Raton, FL: CRC Press/Science Publishers. 303-318 (2022).
MSC:  65J22 47A52 42C15
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Uniform basis property of root vector systems of Dirac operators. (English. Russian original) Zbl 07542529

J. Math. Sci., New York 260, No. 4, 570-582 (2022); translation from Sovrem. Mat., Fundam. Napravl. 64, No. 1, 180-193 (2018).
MSC:  34Lxx 34Bxx 42Cxx
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Approximation properties of the Vallée-Poussin means similar to the partial sums of Fourier series in Laguerre-Sobolev polynomials. (English. Russian original) Zbl 07538030

Sib. Math. J. 63, No. 3, 451-465 (2022); translation from Sib. Mat. Zh. 63, No. 3, 545-561 (2022).
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On the representation of Sobolev systems orthogonal with respect to the inner product with one discrete point. (English. Russian original) Zbl 07518145

Math. Notes 111, No. 4, 579-586 (2022); translation from Mat. Zametki 111, No. 4, 561-570 (2022).
MSC:  42C05 33C45
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A variant of the Fourier series in a spherical domain and its application to modeling the evaporation of a water droplet. (English. Russian original) Zbl 07517587

Differ. Equ. 58, No. 2, 207-226 (2022); translation from Differ. Uravn. 58, No. 2, 204-222 (2022).
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Information redundancy in constructing systems for audio signal examination on deep learning neural networks. (English. Ukrainian original) Zbl 07514989

Cybern. Syst. Anal. 58, No. 1, 8-15 (2022); translation from Kibern. Sist. Anal. 58, No. 1, 11-20 (2022).
MSC:  68-XX 94Axx 42Cxx
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