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Found 2,184 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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Interpolation by series of exponential functions whose exponents are condensed in a certain direction. (English. Russian original) Zbl 1476.30135

J. Math. Sci., New York 257, No. 3, 334-352 (2021); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 162, 62-79 (2019).
MSC:  30E05 30B50
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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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Interpolation problems of a. F. Leontiev type. (English. Russian original) Zbl 1461.30067

J. Math. Sci., New York 252, No. 3, 399-419 (2021); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 153, 108-127 (2018).
MSC:  30D15 30H99 30E05
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A closer look at the solution set of the truncated matricial moment problem \(\mathsf{M}[ [\alpha,\infty); (s_{j})_{j=0}^{m}, \preccurlyeq]\). (English) Zbl 1467.44007

Alpay, Daniel (ed.) et al., Complex function theory, operator theory, Schur analysis and systems theory. A volume in honor of V. E. Katsnelson. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 280, 387-492 (2020).
MSC:  44A60 47A57 30E05
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Nevanlinna-Pick families and singular rational varieties. (English) Zbl 07299677

Curto, Raul E. (ed.) et al., Operator theory, operator algebras and their interactions with geometry and topology. Ronald G. Douglas memorial volume. Proceedings of the international workshop on operator theory and applications (IWOTA 2018), Shanghai, China, July 23–27, 2018. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 278, 129-145 (2020).
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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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A criterion for the sequence of roots of holomorphic function with restrictions on its growth. (English. Russian original) Zbl 1452.30005

Russ. Math. 64, No. 5, 49-55 (2020); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2020, No. 5, 55-61 (2020).
MSC:  30C10 30E05
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Set of exponents for interpolation by sums of exponential series in all convex domains. (English. Russian original) Zbl 1450.30055

J. Math. Sci., New York 245, No. 1, 48-63 (2020); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 143, 48-62 (2017).
MSC:  30E05 30D05
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A panorama of positivity. II: Fixed dimension. (English) Zbl 1452.15021

Dales, H. Garth (ed.) et al., Complex analysis and spectral theory. Conference in celebration of Thomas Ransford’s 60th birthday, Laval University, Québec, Canada, May 21–25, 2018. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 743, 109-150 (2020).
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A Potapov-type approach to a truncated matricial Stieltjes-type power moment problem. (English) Zbl 1446.30054

Breaz, Daniel (ed.) et al., Advancements in complex analysis. From theory to practice. Cham: Springer. 193-297 (2020).
MSC:  30E05 47A56
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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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Resolvent matrix of the truncated Nevanlinna-Pick matrix interpolation problem via orthogonal rational functions in the Stieltjes class. (English. Russian original) Zbl 1433.30096

Russ. Math. 63, No. 6, 58-73 (2019); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2019, No. 6, 65-79 (2019).
MSC:  30E05 47A56
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A panorama of positivity. I: Dimension free. (English) Zbl 1475.15040

Aleman, Alexandru (ed.) et al., Analysis of operators on function spaces. The Serguei Shimorin memorial volume. Including extended versions of lectures of the conference in honor of the memory of Serguei Shimorin at the Mittag-Leffler Institute, Stockholm, Sweden in the summer of 2018. Cham: Springer. Trends Math., 117-165 (2019).
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