The Trefftz-Fichera method for semigroups. Potential of power type

DOI10.1007/BF02576484zbMath0557.65036MaRDI QIDQ761770

Fernando Zironi

Publication date: 1984

Published in: Calcolo (Search for Journal in Brave)

zbMATH Keywords

semigroupeigenvaluesHilbert spaceSchrödinger operatorground statediscrete spectrumlower boundspositive self-adjoint operatoriterated resolventTrefftz-Fichera method

Mathematics Subject Classification ID

Estimates of eigenvalues in context of PDEs (35P15) Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics (81Q05) Spectrum, resolvent (47A10) Numerical solutions to equations with linear operators (65J10) Numerical methods for eigenvalue problems for boundary value problems involving PDEs (65N25)

Cites Work

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• Linear elliptic differential systems and eigenvalue problems
• Remarks on Turschner's eigenvalue formula
• The neumann eigenvalue problem

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