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Found 20 Documents (Results 1–20)

Spectrum asymptotics for one “nonsmooth” variational problem with solvable constraint. (English. Russian original) Zbl 1260.35092

St. Petersbg. Math. J. 18, No. 5, 681-697 (2007); translation from Algebra Anal. 18, No. 5, 1-22 (2006).
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Weyl asymptotic of the spectrum of the Maxwell operator with non-smooth coefficients in Lipschitz domains. (English) Zbl 1260.35096

Birman, M. S. (ed.) et al., Nonlinear equations and spectral theory. Dedicated to the memory of Olga Aleksandrovna Ladyzhenskaya. Providence, RI: American Mathematical Society (AMS) (ISBN 978-0-8218-4209-6/hbk). Translations. Series 2. American Mathematical Society 220. Advances in the Mathematical Sciences 59, 27-44 (2007).
MSC:  35P25 35Q61
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Discrete spectrum in the gaps of a perturbed pseudorelativistic Hamiltonian. (English. Russian original) Zbl 0966.83005

J. Math. Sci., New York 101, No. 5, 3437-3447 (2000); translation from Zap. Nauchn. Semin. POMI 249, 102-117 (1997).
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“Non-standard” spectral asymptotics for a two-dimensional Schrödinger operator. (English) Zbl 0910.35086

Greiner, Peter C. (ed.) et al., Partial differential equations and their applications. Lectures given at the 1995 annual seminar of the Canadian Mathematical Society, Toronto, Canada, June 12–23, 1995. Providence, RI: American Mathematical Society. CRM Proc. Lect. Notes. 12, 9-16 (1997).
MSC:  35P20 35J10 35P15
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The discrete spectrum in a gap of the continuous one for compact supported perturbations. (English) Zbl 0824.35090

Demuth, Michael (ed.) et al., Mathematical results in quantum mechanics: International conference in Blossin (Germany), May 17-21, 1993. Basel: Birkhäuser Verlag. Oper. Theory, Adv. Appl. 70, 9-12 (1994).
MSC:  35P20 47A55
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Scattering matrix for the perturbation of a periodic Schrödinger operator by a decaying potential. (English. Russian original) Zbl 0860.35088

St. Petersbg. Math. J. 6, No. 3, 453-474 (1995); translation from Algebra Anal. 6, No. 3, 17-39 (1994).
MSC:  35P25 47A40 35J10
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Estimates and asymptotics for discrete spectra of integral and differential equations. Papers of the Leningrad seminar on mathematical physics in the academic year of 1989-90. Transl. ed. by A. B. Sossinsky. (English) Zbl 0741.00022

Advances in Soviet Mathematics. 7. Providence, RI: American Mathematical Society (AMS). x, 204 p. (1991).
MSC:  00B15 35-06 47-06
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The Weyl asymptotics of the spectrum of the Maxwell operator for domains with a Lipschitz boundary. (English. Russian original) Zbl 0639.35062

Vestn. Leningr. Univ., Math. 20, No. 3, 15-21 (1987); translation from Vestn. Leningr. Univ., Ser. I 1987, No. 3, 23-28 (1987).
MSC:  35P20 35Q61
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Asymptotics of the spectrum of variational problems on solutions of elliptic equations in unbounded domains. (English. Russian original) Zbl 0463.35061

Funct. Anal. Appl. 14, 267-274 (1981); translation from Funkts. Anal. Prilozh. 14, No. 4, 27-35 (1980).
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