A sharpening of Maslov’s method of characteristics to give the full asymptotic series

DOI10.1090/qam/666672zbMath0489.35021OpenAlexW2567533652MaRDI QIDQ3950910

Arthur D. Gorman, Robert Wells

Publication date: 1982

Published in: Quarterly of Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1090/qam/666672

zbMATH Keywords

turning pointswave-type equationsLagrange manifoldreduced Helmholtz equationMaslov's method of characteristicsfull asymptotic series solution

Mathematics Subject Classification ID

Asymptotic expansions of solutions to PDEs (35C20) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Geometric theory, characteristics, transformations in context of PDEs (35A30)

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