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Found 1,716 Documents (Results 1–100)

A pedagogical note on the computation of relative entropy of two \(n\)-mode Gaussian states. (English) Zbl 07633092

Accardi, Luigi (ed.) et al., Infinite dimensional analysis, quantum probability and applications, QP41. Proceedings of the 41st conference, United Arab Emirates University (UAEU), Al Ain, Abu Dhabi, United Arab Emirates, virtual, March 28 – April 1, 2021. Cham: Springer. Springer Proc. Math. Stat. 390, 55-72 (2022).
MSC:  46L60 81P50
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Completion problems on operator matrices. (English) Zbl 07550580

Mathematical Surveys and Monographs 267. Providence, RI: American Mathematical Society (AMS) (ISBN 978-1-4704-6987-0/pbk; 978-1-4704-7113-2/ebook). xiii, 170 p. (2022).
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The original Weyl-Titchmarsh functions and sectorial Schrödinger L-systems. (English) Zbl 07523171

de Snoo, H. S. V. (ed.) et al., Contributions to mathematics and statistics. Essays in honor of Seppo Hassi. Vaasa: University of Vaasa, School of Technology and Innovation. Acta Wasaensia 462, 37-53 (2021).
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Invariant Schrödinger operators with point interactions at the vertices of a regular polyhedron. (English. Russian original) Zbl 07431866

Math. Notes 110, No. 3, 463-469 (2021); translation from Mat. Zametki 110, No. 3, 471-477 (2021).
MSC:  47Axx 81Qxx 35Jxx
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Star product on the Euclidean motion group in the plane. (English) Zbl 1471.81058

Mladenov, Ivaïlo M. (ed.) et al., Proceedings of the 22nd international conference on geometry, integrability and quantization, Varna, Bulgaria, June 8–13, 2020. Sofia: Bulgarian Academy of Sciences, Institute of Biophysics and Biomedical Engineering. Geom. Integrability Quantization 22, 209-218 (2021).
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Schur-Weyl duality and the product of randomly-rotated symmetries by a unitary Brownian motion. (English) Zbl 07362258

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Specificity of Petrov classification of (anti-)self-dual zero signature metrics. (English. Russian original) Zbl 1477.53030

Russ. Math. 64, No. 9, 50-60 (2020); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2020, No. 9, 56-67 (2020).
MSC:  53B30 58A14 53C18
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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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