A simplified fixed-point perturbation theory. II. An application to the first few Pade potentials

DOI10.1088/0305-4470/20/7/021zbMath0638.41016OpenAlexW2065668727MaRDI QIDQ3779169

Miloslav Znojil

Publication date: 1987

Published in: Journal of Physics A: Mathematical and General (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1088/0305-4470/20/7/021

zbMATH Keywords

Padé approximantsHamiltoniansREDUCEradial Schrödinger equation

Mathematics Subject Classification ID

Approximation by rational functions (41A20) Padé approximation (41A21)

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Perturbation method for non-square Hamiltonians and its application to polynomial oscillators

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