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Found 1,777 Documents (Results 1–100)

Functions of perturbed pairs of noncommutative dissipative operators. (English. Russian original) Zbl 07709463

St. Petersbg. Math. J. 34, No. 3, 379-392 (2023); translation from Algebra Anal. 34, No. 3, 93-114 (2023).
MSC:  47B44 47B10 47A56
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Nonlinear functional analysis and applications. (English) Zbl 1521.46001

De Gruyter Series in Nonlinear Analysis and Applications 41. Berlin: De Gruyter (ISBN 978-3-11-103096-8/hbk; 978-3-11-103181-1/ebook). xv, 447 p. (2023).
MSC:  46-01 47-01 47Hxx
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Cauchy-Schwarz operator and norm inequalities for inner product type transformers in norm ideals of compact operators, with applications. (English) Zbl 07678101

Aron, Richard M. (ed.) et al., Operator and norm inequalities and related topics. Cham: Birkhäuser. Trends Math., 179-219 (2022).
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On a general approach to construction of a self-adjoint dilation for a dissipative operator. (English. Russian original) Zbl 1515.47010

J. Math. Sci., New York 268, No. 6, 816-826 (2022); translation from Zap. Nauchn. Semin. POMI 503, 121-136 (2021).
MSC:  47A20 47B44
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The original Weyl-Titchmarsh functions and sectorial Schrödinger L-systems. (English) Zbl 1512.47062

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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