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Found 750 Documents (Results 1–100)

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Sum-difference equation for analytic functions generated by triangle and its applications. (Russian. English summary) Zbl 07501568

Ufim. Mat. Zh. 13, No. 4, 17-22 (2021); translation in Ufa Math. J. 13, No. 4, 17-22 (2021).
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Growth of entire functions of exponential type and characteristics of distributions of points along straight line in complex plane. (Russian. English summary) Zbl 07501561

Ufim. Mat. Zh. 13, No. 3, 116-128 (2021); translation in Ufa Math. J. 13, No. 3, 113-125 (2021).
MSC:  30D15 30D20
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Approximation by entire functions on a countable set of continua. The inverse theorem. (English. Russian original) Zbl 1486.30110

Vestn. St. Petersbg. Univ., Math. 54, No. 4, 366-371 (2021); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 8(66), No. 4, 600-607 (2021).
MSC:  30E10 30D15
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Bounds of the Nikol’skii polynomial constants in \(L^p\) with Gegenbauer weight. (English. Russian original) Zbl 1494.41005

Proc. Steklov Inst. Math. 315, Suppl. 1, S117-S127 (2021); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 26, No. 4, 126-137 (2020).
MSC:  41A17 33C45
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Generalized interpolation problem of the Korevaar-Dixon type. (English. Russian original) Zbl 1475.30086

J. Math. Sci., New York 257, No. 3, 296-304 (2021); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 162, 25-33 (2019).
MSC:  30E05 30D15
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Approximation by entire functions on a countable set of continua. (English. Russian original) Zbl 1461.30071

Vestn. St. Petersbg. Univ., Math. 53, No. 3, 329-335 (2020); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 7(65), No. 3, 481-489 (2020).
MSC:  30D15 30E10
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Growth of subharmonic functions along line and distribution of their Riesz measures. (Russian. English summary) Zbl 1463.31002

Ufim. Mat. Zh. 12, No. 2, 35-48 (2020); translation in Ufa Math. J. 12, No. 2, 35-49 (2020).
MSC:  31A05 30D20 30D15
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On moment problem for entire functions generated by doubly periodic group. (Russian. English summary) Zbl 1463.30172

Ufim. Mat. Zh. 12, No. 2, 21-27 (2020); translation in Ufa Math. J. 12, No. 2, 21-27 (2020).
MSC:  30E05 30E20 30E25
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On shifts of the sequence of integers generating functions that are invertible in the sense of Ehrenpreis. (English. Russian original) Zbl 1455.30021

J. Math. Sci., New York 251, No. 2, 161-175 (2020); translation from Zap. Nauchn. Semin. POMI 480, 5-25 (2019).
MSC:  30D15 30D20
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On applications of summary equation induced by quadrilateral. (Russian. English summary) Zbl 1463.30190

Ufim. Mat. Zh. 11, No. 4, 29-34 (2019); translation in Ufa Math. J. 11, No. 4, 27-32 (2019).
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On an interpolation problem in the class of functions of exponential type in a half-plane. (Russian. English summary) Zbl 1463.30173

Ufim. Mat. Zh. 11, No. 1, 19-25 (2019); translation in Ufa Math. J. 11, No. 1, 19-26 (2019).
MSC:  30E05 30D15
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Summary equation for functions, which are holomorphic outside two triangles, and its applications. (English. Russian original) Zbl 1442.30037

Russ. Math. 63, No. 10, 18-23 (2019); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2019, No. 10, 21-27 (2019).
MSC:  30E25 30D20 30E05
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Interrelation between Nikolskii-Bernstein constants for trigonometric polynomials and entire functions of exponential type. (Russian. English summary) Zbl 1439.30050

Chebyshevskiĭ Sb. 20, No. 3(71), 143-153 (2019); correction ibid. 21, No. 3(75), 336-338 (2020).
MSC:  30D15 30C10
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On invariant subspaces of the Pommiez operator in the spaces of entire functions of exponential type. (English. Russian original) Zbl 07123860

J. Math. Sci., New York 241, No. 6, 760-769 (2019); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 142, 111-120 (2017).
MSC:  47A16 47B38 46E10
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On Hamburger moments problem generated by a group with two limit points. (English. Russian original) Zbl 1415.30027

Russ. Math. 62, No. 12, 1-5 (2018); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2018, No. 12, 3-8 (2018).
MSC:  30E05 30D15
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Approximation by entire functions on a countable union of segments on the real axis. III: Further generalization. (English. Russian original) Zbl 1405.30036

Vestn. St. Petersbg. Univ., Math. 51, No. 2, 164-168 (2018); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 5(63), No. 2, 265-272 (2018).
MSC:  30E10 30D15
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Interpolation problems for entire functions induced by regular hexagons. (English. Russian original) Zbl 1396.30002

Sib. Math. J. 59, No. 1, 59-64 (2018); translation from Sib. Mat. Zh. 59, No. 1, 78-85 (2018).
MSC:  30D15 30E05
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Order estimates for the approximating characteristics of functions from the classes \(S_{p,\theta}^\Omega B(\mathbb{R}^d)\) with a given majorant of mixed modules of continuity in the uniform metric. (English. Ukrainian original) Zbl 1490.41020

Ukr. Math. J. 68, No. 12, 1975-1985 (2017); translation from Ukr. Mat. Zh. 68, No. 12, 1705-1714 (2016).
MSC:  41A63 42A32
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Eigenvalue problems of Toeplitz operators in Bargmann-Fock spaces. (English) Zbl 06850095

Oberguggenberger, Michael (ed.) et al., Generalized functions and Fourier analysis. Dedicated to Stevan Pilipović on the occasion of his 65th birthday. Contributions of the 8th, 9th and 10th ISAAC congresses, Moscow, Russia, 2011, Krakow, Poland, 2013 and Macau, China, 2015. Basel: Birkhäuser/Springer. Oper. Theory: Adv. Appl. 260, 269-276 (2017).
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Approximation by entire functions on countable unions of segments of the real axis. II: Proof of the main theorem. (English. Russian original) Zbl 1382.41007

Vestn. St. Petersbg. Univ., Math. 50, No. 1, 35-43 (2017); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 62, No. 1, 53-63 (2017).
MSC:  41A10 30E10 41A27
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Operator Bruwier series and initial problem for a linear differential-difference equation in a Banach space. (English. Russian original) Zbl 1381.30021

J. Math. Sci., New York 226, No. 4, 335-343 (2017); translation from Probl. Mat. Anal. 89, 3-10 (2017).
MSC:  30D15 34M05
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On a system of entire functions of class A which is biorthogonal to a lacunar power system on the ray. (English. Russian original) Zbl 1369.30027

Sib. Math. J. 58, No. 1, 63-66 (2017); translation from Sib. Mat. Zh. 58, No. 1, 83-87 (2017).
MSC:  30D15
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Approximations by entire functions on countable unions of segments of the real axis. (English. Russian original) Zbl 1393.30029

Vestn. St. Petersbg. Univ., Math. 49, No. 4, 373-378 (2016); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 2016, No. 4, 644-650 (2016).
MSC:  30E10 30D15
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Approximation under exponential growth conditions by Szász and Baskakov type operators in the complex plane. (English) Zbl 1370.41032

Rassias, Themistocles M. (ed.) et al., Mathematical analysis, approximation theory and their applications. Cham: Springer (ISBN 978-3-319-31279-8/hbk; 978-3-319-31281-1/ebook). Springer Optimization and Its Applications 111, 235-266 (2016).
MSC:  41A35 30E10 41A25
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