JWKB representation for equations with infinite order turning point

zbMath0892.34052MaRDI QIDQ1374360

K. A. Yagdzhyan

Publication date: 14 January 1998

Published in: Journal of Contemporary Mathematical Analysis. Armenian Academy of Sciences (Search for Journal in Brave)

zbMATH Keywords

turning pointamplitudeslarge parametercomplex-valued phase functionsJWKB representation

Mathematics Subject Classification ID

Topological structure of integral curves, singular points, limit cycles of ordinary differential equations (34C05) Initial value problems, existence, uniqueness, continuous dependence and continuation of solutions to ordinary differential equations (34A12) Linear ordinary differential equations and systems (34A30) Singular perturbations, turning point theory, WKB methods for ordinary differential equations (34E20)

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