On the asymptotic series solution of some higher order linear differential equations at turning points

The Lagrange manifold (WKB) formalism enables the determination of the asymptotic series solution of second-order wave type differential equations at turning points. The formalism also applies to higher order linear differential equations, as we make explicit here illustrating with some 4th order eq...

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Bibliographic Details
Main Author: Arthur D. Gorman
Format: Article
Language:English
Published: Hindawi Limited 1984-01-01
Series:International Journal of Mathematics and Mathematical Sciences
Subjects:
Online Access:http://dx.doi.org/10.1155/S0161171284000600