Coalescence of two regular singularities into one regular singularity for the linear ordinary differential equation

DOI10.1023/A:1026653807528zbMath1028.34078OpenAlexW1525818040MaRDI QIDQ1868359

Yanyan Li

Publication date: 27 April 2003

Published in: Journal of Dynamical and Control Systems (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1023/a:1026653807528

zbMATH Keywords

connection matricesregular singularitiescoalescence of singularities

Mathematics Subject Classification ID

Singular perturbations, turning point theory, WKB methods for ordinary differential equations (34E20) Singularities, monodromy and local behavior of solutions to ordinary differential equations in the complex domain, normal forms (34M35) Entire and meromorphic solutions to ordinary differential equations in the complex domain (34M05) Singular perturbation problems for ordinary differential equations in the complex domain (complex WKB, turning points, steepest descent) (34M60)

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