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Found 261 Documents (Results 1–100)

Mathematical structures related to the description of quantum states. (English. Russian original) Zbl 1490.81026

Dokl. Math. 104, No. 3, 365-368 (2021); translation from Dokl. Ross. Akad. Nauk, Mat. Inform. Protsessy Upr. 501, 57-61 (2021).
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Bi-additive s-functional inequalities and quasi-\(\ast\)-multipliers on Banach \(\ast\)-algebras. (English) Zbl 1461.39015

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. 199-215 (2019).
MSC:  39B62 39B52 39B55
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Birkhoff-James orthogonality reversing property and its stability. (English) Zbl 1447.39016

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. 57-71 (2019).
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Orthogonally additive-additive functional equation. (English) Zbl 1333.39040

Milovanović, Gradimir V. (ed.) et al., Analytic number theory, approximation theory, and special functions. In honor of Hari M. Srivastava. New York, NY: Springer (ISBN 978-1-4939-0257-6/hbk; 978-1-4939-0258-3/ebook). 759-772 (2014).
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Orthogonal stability of a cubic-quadratic functional equation in orthogonality spaces. (English) Zbl 1440.39015

Akashi, Shigeo (ed.) et al., Proceedings of the seventh international conference on nonlinear analysis and convex analysis (NACA 2011), Busan, South Korea, August 2–5, 2011. Vol. II. Yokohama: Yokohama Publishers. 121-139 (2013).
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