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Found 841 Documents (Results 1–100)

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Threshold approximations for the resolvent of a polynomial nonnegative operator pencil. (English. Russian original) Zbl 07491001

St. Petersbg. Math. J. 33, No. 2, 355-385 (2022); translation from Algebra Anal. 33, No. 2, 233-274 (2021).
MSC:  47A10 35B27 47A56
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Asymptotics of the spectrum of the mixed boundary value problem for the Laplace operator in a thin spindle-shaped domain. (English. Russian original) Zbl 1485.35310

St. Petersbg. Math. J. 33, No. 2, 283-325 (2022); translation from Algebra Anal. 33, No. 2, 136-196 (2021).
MSC:  35P20 35B25 35J25
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Higher order deformations of hyperbolic spectra. (English) Zbl 1477.58022

Albeverio, Sergio (ed.) et al., Schrödinger operators, spectral analysis and number theory. In memory of Erik Balslev. Cham: Springer. Springer Proc. Math. Stat. 348, 223-239 (2021).
MSC:  58J50 11F72
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Some remarks on spectral averaging and the local density of states for random Schrödinger operators on \(L^2(\mathbb{R}^d)\). (English) Zbl 1479.35266

Albeverio, Sergio (ed.) et al., Schrödinger operators, spectral analysis and number theory. In memory of Erik Balslev. Cham: Springer. Springer Proc. Math. Stat. 348, 117-132 (2021).
MSC:  35J10 35P05 35R60
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Homogenization of hyperbolic equations with periodic coefficients in \(\mathbb{R}^d\): sharpness of the results. (English. Russian original) Zbl 1471.35023

St. Petersbg. Math. J. 32, No. 4, 605-703 (2021); translation from Algebra Anal. 32, No. 4, 3-136 (2020).
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On localization conditions for spectrum of model operator for Orr-Sommerfeld equation. (Russian. English translation) Zbl 1474.47083

Ufim. Mat. Zh. 12, No. 4, 66-79 (2020); translation in Ufa Math. J., No. 4, 64-77 (2020).
MSC:  47E05 76E25
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Inverse spectral problem for Sturm-Liouville operator with prescribed partial trace. (Russian. English translation) Zbl 1474.34092

Ufim. Mat. Zh. 12, No. 4, 20-30 (2020); translation in Ufa Math. J., No. 4, 19-29 (2020).
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On hyperbolic initial-boundary value problems with a strictly dissipative boundary condition. (English) Zbl 1459.35274

Dörfler, Willy (ed.) et al., Mathematics of wave phenomena. Selected papers based on the presentations at the conference, Karlsruhe, Germany, July 23–27, 2018. Cham: Birkhäuser. Trends Math., 125-144 (2020).
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Homogenization of periodic Schrödinger-type equations, with lower order terms. (English. Russian original) Zbl 1454.35017

St. Petersbg. Math. J. 31, No. 6, 1001-1054 (2020); translation from Algebra Anal. 31, No. 6, 122-196 (2019).
MSC:  35B27 35J10 35Q41
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Scattering theory for a class of non-selfadjoint extensions of symmetric operators. (English) Zbl 07240450

Kurasov, Pavel (ed.) et al., Analysis as a tool in mathematical physics. In memory of Boris Pavlov. Collected papers presented at the conferences “Spectral Theory and Applications”, Stockholm, Sweden, March 13–15, 2016 and “Operator Theory, Analysis and Mathematical Physics – OTAMP2016”, Euler International Mathematical Institute, St. Petersburg, Russia, August 2–7, 2016. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 276, 194-230 (2020).
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Scattering matrices and Weyl functions of quasi boundary triples. (English) Zbl 1481.47009

Kurasov, Pavel (ed.) et al., Analysis as a tool in mathematical physics. In memory of Boris Pavlov. Collected papers presented at the conferences “Spectral Theory and Applications”, Stockholm, Sweden, March 13–15, 2016 and “Operator Theory, Analysis and Mathematical Physics – OTAMP2016”, Euler International Mathematical Institute, St. Petersburg, Russia, August 2–7, 2016. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 276, 162-182 (2020).
MSC:  47A40 81U20 35J10
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Singular perturbations of unbounded selfadjoint operators. Reverse approach. (English) Zbl 1481.47034

Kurasov, Pavel (ed.) et al., Analysis as a tool in mathematical physics. In memory of Boris Pavlov. Collected papers presented at the conferences “Spectral Theory and Applications”, Stockholm, Sweden, March 13–15, 2016 and “Operator Theory, Analysis and Mathematical Physics – OTAMP2016”, Euler International Mathematical Institute, St. Petersburg, Russia, August 2–7, 2016. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 276, 63-79 (2020).
MSC:  47B25 47F05 47A55
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Singular thermal relaxation limit for the Moore-Gibson-Thompson equation arising in propagation of acoustic waves. (English) Zbl 07238036

Banasiak, Jacek (ed.) et al., Semigroups of operators – theory and applications. Selected papers based on the presentations at the conference, SOTA 2018, Kazimierz Dolny, Poland, September 30 – October 5, 2018. In honour of Jan Kisyński’s 85th birthday. Cham: Springer. Springer Proc. Math. Stat. 325, 147-182 (2020).
MSC:  47-XX
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Homogenization of periodic parabolic systems in the \(L_2(\mathbb{R}^d)\)-norm with the corrector taken into account. (English. Russian original) Zbl 1442.35021

St. Petersbg. Math. J. 31, No. 4, 675-718 (2020); translation from Algebra Anal. 31, No. 4, 137-197 (2019).
MSC:  35B27 35K45
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Random walks and measures on Hilbert space that are invariant with respect to shifts and rotations. (English. Russian original) Zbl 1426.28027

J. Math. Sci., New York 241, No. 4, 469-500 (2019); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 140, 88-118 (2017).
MSC:  28C20 47D08 82C41
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