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Found 185 Documents (Results 1–100)

A note on the quotient of a locally \(JC\)-algebra by a closed Jordan ideal. (English) Zbl 07840376

Markin, Marat V. (ed.) et al., Advances in functional analysis and operator theory. AMS-EMS-SMF special session, Université de Grenoble-Alpes, Grenoble, France, July 18–22, 2022. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 798, 199-208 (2024).
MSC:  46L70 46H70 17C65
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On the optimal recovery of one family of operators on a class of functions from approximate information about its spectrum. (English. Russian original) Zbl 07825242

Sib. Math. J. 65, No. 2, 245-256 (2024); translation from Sib. Mat. Zh. 65, No. 2, 235-248 (2024).
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On the algebra generated by Volterra integral operators with homogeneous kernels and continuous coefficients. (English. Russian original) Zbl 07729653

Sib. Math. J. 64, No. 4, 955-962 (2023); translation from Vladikavkaz. Mat. Zh. 24, No. 4, 19-29 (2022).
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On generalized Bessel potentials and perfect functional completions. (English. Russian original) Zbl 07711981

Vestn. St. Petersbg. Univ., Math. 56, No. 2, 143-152 (2023); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 10(68), No. 2, 200-211 (2023).
MSC:  47G20 42B20 46E30
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Cyclic vectors and invariant subspaces of the backward shift operator in Schwartz modules. (English. Russian original) Zbl 1522.47022

Funct. Anal. Appl. 56, No. 3, 188-198 (2022); translation from Funkts. Anal. Prilozh. 56, No. 3, 39-51 (2022).
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Weighted Hardy operators in grand Lebesgue spaces on \(\mathbb{R}^n\). (English. Russian original) Zbl 1520.47088

J. Math. Sci., New York 268, No. 4, 509-522 (2022); translation from Probl. Mat. Anal. 119, 95-105 (2022).
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The cyclical compactness in Banach \(C_\infty (Q)\)-modules. (English. Russian original) Zbl 1514.46035

J. Math. Sci., New York 265, No. 1, 129-145 (2022); translation from Sovrem. Mat., Fundam. Napravl. 65, No. 1, 137-155 (2019).
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Some properties of Sobolev orthogonal polynomials associated with Chebyshev polynomials of the second kind. (English) Zbl 1519.42028

Kusraev, Anatoly G. (ed.) et al., Operator theory and differential equations. Selected papers based on the presentations at the 15th conference on order analysis and related problems of mathematical modeling, Vladikavkaz, Russia, July 15–20, 2019. Cham: Birkhäuser. Trends Math., 259-273 (2021).
MSC:  42C05 33C45 46E35
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On the continuous linear right inverse for a convolution operator. (English) Zbl 1490.44006

Kusraev, Anatoly G. (ed.) et al., Operator theory and differential equations. Selected papers based on the presentations at the 15th conference on order analysis and related problems of mathematical modeling, Vladikavkaz, Russia, July 15–20, 2019. Cham: Birkhäuser. Trends Math., 163-184 (2021).
MSC:  44A35 46E10 46F05
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Boolean valued analysis: background and results. (English) Zbl 1482.06003

Kusraev, Anatoly G. (ed.) et al., Operator theory and differential equations. Selected papers based on the presentations at the 15th conference on order analysis and related problems of mathematical modeling, Vladikavkaz, Russia, July 15–20, 2019. Cham: Birkhäuser. Trends Math., 91-105 (2021).
MSC:  06F25 46A40 03C90
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On the Brezis-Lieb lemma and its extensions. (English) Zbl 1489.46026

Kusraev, Anatoly G. (ed.) et al., Operator theory and differential equations. Selected papers based on the presentations at the 15th conference on order analysis and related problems of mathematical modeling, Vladikavkaz, Russia, July 15–20, 2019. Cham: Birkhäuser. Trends Math., 25-35 (2021).
MSC:  46B42 46E30
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Paley-Wiener-Schwartz type theorem for ultradistributions on an unbounded closed convex set. (English. Russian original) Zbl 1484.46047

J. Math. Sci., New York 259, No. 2, 210-229 (2021); translation from Probl. Mat. Anal. 112, 89-104 (2021).
MSC:  46F05 46F12 46E10
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Necessary condition for the existence of unconditional bases of reproducing kernels for Hilbert spaces of entire functions. (English. Russian original) Zbl 1480.46036

J. Math. Sci., New York 257, No. 5, 662-672 (2021); translation from Probl. Mat. Anal. 111, 99-107 (2021).
MSC:  46E22 46E20 46B15
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Geometry of radial Hilbert spaces with unconditional bases of reproducing kernels. (Russian. English translation) Zbl 1474.46056

Ufim. Mat. Zh. 12, No. 4, 56-65 (2020); translation in Ufa Math. J., No. 4, 55-63 (2020).
MSC:  46E22 30D10 46B15
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Approximation of functions of a complex variable by Fourier sums in orthogonal systems in \(L_2\). (English. Russian original) Zbl 1462.41004

Russ. Math. 64, No. 6, 56-62 (2020); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2020, No. 6, 65-72 (2020).
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Analytic solutions of convolution equations on convex sets in the complex plane with an open obstacle on the boundary. (English. Russian original) Zbl 1451.30101

Sb. Math. 211, No. 7, 1014-1040 (2020); translation from Mat. Sb. 211, No. 7, 121-150 (2020).
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Example of a smooth homeomorphism violating the Luzin \(N^{-1}\) property. (English. Russian original) Zbl 1437.26013

Sib. Math. J. 60, No. 5, 886-895 (2019); translation from Sib. Mat. Zh. 60, No. 5, 1133-1144 (2019).
Reviewer: Hans Weber (Udine)
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Inequalities involving fractional integrals of a function and its derivative. (English. Russian original) Zbl 1426.26037

J. Math. Sci., New York 241, No. 4, 448-457 (2019); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 140, 68-77 (2017).
MSC:  26D10 26D15 46E30
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