A Finite Dimensional Analog of the Krein Formula

DOI10.2991/jnmp.2001.8.4.1zbMath1003.39016arXivmath-ph/0209055OpenAlexW2123165857MaRDI QIDQ2766056

I. A. Shereshevskij

Publication date: 24 January 2002

Published in: Journal of Nonlinear Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/math-ph/0209055

zbMATH Keywords

algorithmsresolventlarge matricesKrein formuladifference boundary value problemsdifference Laplaciansmall rank perturbation

Mathematics Subject Classification ID

Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Discrete version of topics in analysis (39A12) Finite difference methods for boundary value problems involving PDEs (65N06)

Related Items (1)

Numerical approach to the Stokes problem with high contrasts in viscosity

Cites Work

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• Solving the Difference Initial-Boundary Value Problems by the Operator Exponential Method
• Kirchhoff's rule for quantum wires

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