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Titlebook: Spectral Methods for Operators of Mathematical Physics; Jan Janas,Pavel Kurasov,Sergei Naboko Conference proceedings 2004 Springer Basel A

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书目名称Spectral Methods for Operators of Mathematical Physics
编辑Jan Janas,Pavel Kurasov,Sergei Naboko
视频video
概述Emphasis on the discrete version of the WKB method and applications of functional models for non-selfadjoint operators.Several developments treated appear for the first time in a book
丛书名称Operator Theory: Advances and Applications
图书封面Titlebook: Spectral Methods for Operators of Mathematical Physics;  Jan Janas,Pavel Kurasov,Sergei Naboko Conference proceedings 2004 Springer Basel A
出版日期Conference proceedings 2004
关键词Jacobi matrix; Operator theory; Orthogonal polynomial; Perturbation theory; Potential; Schrödinger operat
版次1
doihttps://doi.org/10.1007/978-3-0348-7947-7
isbn_softcover978-3-0348-9632-0
isbn_ebook978-3-0348-7947-7Series ISSN 0255-0156 Series E-ISSN 2296-4878
issn_series 0255-0156
copyrightSpringer Basel AG 2004
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发表于 2025-3-21 23:48:54 | 显示全部楼层
Eigenvalues and Spectral Gaps Related to Periodic Perturbations of Jacobi Matrices,This paper investigates the existence of eigenvalues in the spectral gaps of a class of Jacobi matrices resulting from periodic perturbations of Jacobi operators with smooth coefficients.
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WKB and Turning Point Theory for Second-order Difference Equations,A turning point method for difference equations is developed. This method is coupled with the LG-WKB method via matching to provide approximate solutions to the initial value problem. The techniques developed are used to provide strong asymptotics for Hermite polynomials.
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A Remark on Equivalence of Weak and Strong Definitions of the Absolutely Continuous Subspace for NoWe prove the equivalence of weak and strong definitions of the absolutely continuous subspace for nonself-adjoint dissipative operators.
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Free Functional Model Related to Simply-connected Domains,The aim of this paper is to extend the S.-Nagy-Foias functional model to the case of functions for contractive operators. This model meets general requirements and can be used for studying trace class perturbations of normal operators with spectrum on a curve.
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Operator Theory: Advances and Applicationshttp://image.papertrans.cn/s/image/873840.jpg
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https://doi.org/10.1007/978-3-0348-7947-7Jacobi matrix; Operator theory; Orthogonal polynomial; Perturbation theory; Potential; Schrödinger operat
发表于 2025-3-23 08:30:25 | 显示全部楼层
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