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Found 28 Documents (Results 1–28)

Spectral asymptotics of Laplacians on horns: The case of a rapidly growing counting function. (English. Russian original) Zbl 0922.35107

Funct. Anal. Appl. 32, No. 3, 198-200 (1998); translation from Funkts. Anal. Prilozh. 32, No. 3, 70-73 (1998).
MSC:  35P20 35P15 35J05
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The Floquet theory for the Schrödinger operator with a perturbed periodic potential and precise spectral asymptotics. (English. Russian original) Zbl 1050.35508

Dokl. Math. 56, No. 1, 488-491 (1997); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 355, No. 1, 21-24 (1997).
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Asymptotic behavior of the spectrum of problems of the form \(Au=tBu\) for operators that are elliptic in the Douglis-Nirenberg sense. (English. Russian original) Zbl 0556.35105

Funct. Anal. Appl. 18, 253-255 (1984); translation from Funkts. Anal. Prilozh. 18, No. 3, 84-85 (1984).
MSC:  35P20 35J99
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The method of approximate spectral projection as a general method for proving the classical formula for the asymptotic behavior of a spectrum. (English. Russian original) Zbl 0537.35062

Sov. Math., Dokl. 28, 78-82 (1983); translation from Dokl. Akad. Nauk SSSR 271, 287-291 (1983).
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