Confluent W-K-B approximation. I

DOI10.2996/KMJ/1138037466zbMath0696.34044OpenAlexW2132574906MaRDI QIDQ910543

Toshihiko Nishimoto

Publication date: 1987

Published in: Kodai Mathematical Journal (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2996/kmj/1138037466

zbMATH Keywords

asymptotic expansionsconfluent W-K-B approximation

Mathematics Subject Classification ID

Perturbation theories for operators and differential equations in quantum theory (81Q15) Singular perturbations, turning point theory, WKB methods for ordinary differential equations (34E20) Ordinary differential equations in the complex domain (34M99) Asymptotic expansions of solutions to ordinary differential equations (34E05)

Cites Work

• Unnamed Item
• Second-order linear differential equations with two turning points
• On an extension theorem and its application for turning point problems of large order

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