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Found 38 Documents (Results 1–38)

On the mathematical work of M. Sh. Birman. (English. Russian original) Zbl 1236.01029

St. Petersbg. Math. J. 23, No. 1, 1-38 (2012); translation from Algebra Anal. 23, No. 1, 5-60 (2011).
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On spectral estimates for Schrödinger-type operators: the case of small local dimension. (English. Russian original) Zbl 1272.47055

Funct. Anal. Appl. 44, No. 4, 259-269 (2010); translation from Funkts. Anal. Prilozh. 44, No. 4, 21-33 (2010).
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On the spectral estimates for the Schrödinger operator on \(\mathbb Z^d\), \(d \geqslant 3\). (English. Russian original) Zbl 1207.35237

J. Math. Sci., New York 159, No. 2, 241-263 (2009); translation from Probl. Mat. Anal. 41, 107-126 (2009).
MSC:  35P20 39A70 35J10
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Counting Schrödinger boundstates: Semiclassics and beyond. (English) Zbl 1172.35046

Maz’ya, Vladimir (ed.), Sobolev spaces in mathematics II. Applications in analysis and partial differential equations. New York, NY: Springer; Novosibirsk: Tamara Rozhkovskaya Publisher (ISBN 978-0-387-85649-0/hbk; 978-0-387-85650-6/e-book; 978-0-387-85791-6/set). International Mathematical Series 9, 329-353 (2009).
MSC:  35P15 35J10
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Estimates for the difference of fractional powers of selfadjoint operators in the case of unbounded perturbations. (English. Russian original) Zbl 0784.47011

J. Sov. Math. 61, No. 2, 2018-2035 (1992); translation from Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 178, 120-145 (1989).
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Operator integration, perturbations, and commutators. (English. Russian original) Zbl 0784.47033

J. Sov. Math. 63, No. 2, 129-148 (1993); translation from Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 170, 34-66 (1989).
MSC:  47B06 47B15 47B47
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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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