On the complex WKB analysis for a Schrödinger equation with a general three-segment characteristic polygon

zbMath1045.34062MaRDI QIDQ1411132

Minoru Nakano

Publication date: 22 October 2003

Published in: Vietnam Journal of Mathematics (Search for Journal in Brave)

Mathematics Subject Classification ID

Singular perturbations, turning point theory, WKB methods for ordinary differential equations (34E20) Asymptotics and summation methods for ordinary differential equations in the complex domain (34M30) Singular perturbation problems for ordinary differential equations in the complex domain (complex WKB, turning points, steepest descent) (34M60)

Related Items (2)

Formal solutions of singularly-perturbed linear differential systems ⋮ On the complex WKB analysis for a second order linear O.D.E. with a many-segment characteristic polygon

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