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Found 136 Documents (Results 1–100)

Constructive algorithm to vectorize \((P \otimes P\) product for symmetric matrix \(P\). (English. Russian original) Zbl 07752283

Comput. Math. Math. Phys. 63, No. 9, 1559-1570 (2023); translation from Zh. Vychisl. Mat. Mat. Fiz. 63, No. 9, 1415-1427 (2023).
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Markov approximations of the evolution of quantum systems. (English. Russian original) Zbl 1517.47081

Dokl. Math. 105, No. 2, 92-96 (2022); translation from Dokl. Ross. Akad. Nauk, Mat. Inform. Protsessy Upr. 503, 48-53 (2022).
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Differential equations in Banach algebras. (English. Russian original) Zbl 1491.34025

Dokl. Math. 101, No. 2, 139-143 (2020); translation from Dokl. Ross. Akad. Nauk, Mat. Inform. Protsessy Upr. 491, 73-77 (2020).
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Survey on Cauchy functional equation in lattice environments. (English) Zbl 1448.39042

Brzdęk, Janusz (ed.) et al., Ulam type stability. Based on the conferences on Ulam type stability (CUTS), Cluj-Napoca, Romania, July 4–9, 2016 and Timisoara, Romania, October 8–13, 2018. Cham: Springer. 1-46 (2019).
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The Bézout equation on the right half-plane in a Wiener space setting. (English) Zbl 1472.47012

Bini, Dario A. (ed.) et al., Large truncated Toeplitz matrices, Toeplitz operators, and related topics. The Albrecht Böttcher anniversary volume. Basel: Birkhäuser/Springer. Oper. Theory: Adv. Appl. 259, 395-411 (2017).
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An AQCQ-functional equation in matrix random normed spaces. (English) Zbl 1332.39024

Rassias, Themistocles M. (ed.) et al., Topics in mathematical analysis and applications. Cham: Springer (ISBN 978-3-319-06553-3/hbk; 978-3-319-06554-0/ebook). Springer Optimization and Its Applications 94, 523-540 (2014).
MSC:  39B82 39B52 46S50
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A majorant criterion for the total preservation of global solvability of controlled functional operator equation. (English. Russian original) Zbl 1244.47064

Russ. Math. 55, No. 3, 85-95 (2011); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2011, No. 3, 95-107 (2011).
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Matrix-\(J\)-unitary non-commutative rational formal power series. (English) Zbl 1110.47008

Alpay, Daniel (ed.) et al., The state space method generalizations and applications. Basel: Birkhäuser (ISBN 3-7643-7370-9/hbk). Operator Theory: Advances and Applications 161, 49-113 (2006).
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On Riccati equations and reproducing kernel spaces. (English) Zbl 0989.46015

Dijksma, A. (ed.) et al., Recent advances in operator theory. The Israel Gohberg anniversary volume. Proceedings of the international workshop on operator theory and its applications, IWOTA-98, Groningen, Netherlands, June 30-July 3, 1998. Basel: Birkhäuser. Oper. Theory, Adv. Appl. 124, 189-215 (2001).
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Quasi-classical study of form factors in finite volume. (English) Zbl 0966.46049

Semenov-Tian-Shansky, Michael (ed.), L. D. Faddeev’s seminar on mathematical physics. Providence, RI: American Mathematical Society (AMS). Transl., Ser. 2, Am. Math. Soc. 201, 283-307 (2000).
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The matrix equation \(X^{[*]}X = A\) for spaces with indefinite scalar product. (Russian) Zbl 0946.15007

Onishchik, A. L. (ed.), Questions of group theory and homological algebra. Collection of scientific works. Yaroslavl’: Yaroslavskij Gosudarstvennyj Universitet im. P. G. Demidova. 19-25 (1998).
MSC:  15A24 46C20
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Operator theory and ordinary differential operators. (English) Zbl 0883.47018

Böttcher, Albrecht (ed.) et al., Lectures on operator theory and its applications, Fields Institute for Research in Mathematical Sciences, Toronto, Canada 1994. Providence, RI: American Mathematical Society. Fields Inst. Monogr. 3, 75-139 (1996).
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Linear infinite-particle operators. Transl. from the Russian by Alan Mason. (English) Zbl 0827.46065

Translations of Mathematical Monographs. 143. Providence, RI: American Mathematical Society (AMS). viii, 298 p. (1995).
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