CHOKE
发表于 2025-3-28 18:00:46
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fabricate
发表于 2025-3-28 21:13:10
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Hemoptysis
发表于 2025-3-29 02:05:18
Uniform and Smooth Benzaid-Lutz Type Theorems and Applications to Jacobi Matrices, generalizations of the Benzaid-Lutz theorem (a Levinson type theorem for discrete linear systems) and are used to develop a technique for proving absence of accumulation points in the pure point spectrum of Jacobi matrices. The technique is illustrated by proving discreteness of the spectrum for a class of unbounded Jacobi operators.
攀登
发表于 2025-3-29 04:48:40
Operator Theory: Advances and Applicationshttp://image.papertrans.cn/o/image/702344.jpg
Hemodialysis
发表于 2025-3-29 11:07:05
https://doi.org/10.1007/978-3-7643-8135-6Dirichlet-to-Neumann map; Jacobi matrix; Lyapunov exponent; Operator theory; functional model; mathematic
免除责任
发表于 2025-3-29 15:00:18
Finiteness of Eigenvalues of the Perturbed Dirac Operator,Finiteness criteria are established for the point spectrum of the perturbed Dirac operator. The results are obtained by applying the direct methods of the perturbation theory of linear operators. The particular case of the Hamiltonian of a Dirac particle in an electromagnetic field is also considered.
迫击炮
发表于 2025-3-29 17:26:12
Trace Formulas for Jacobi Operators in Connection with Scattering Theory for Quasi-Periodic BackgroWe investigate trace formulas for Jacobi operators which are trace class perturbations of quasi-periodic finite-gap operators using Krein’s spectral shift theory. In particular we establish the conserved quantities for the solutions of the Toda hierarchy in this class.
削减
发表于 2025-3-29 21:39:15
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Hemodialysis
发表于 2025-3-30 01:12:18
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Metastasis
发表于 2025-3-30 07:02:03
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