
Accession Number : AD0681403
Title : PERTURBATION OF LINEAR ORDINARY DIFFERENTIAL EQUATIONS AT IRREGULAR SINGULAR POINTS.
Descriptive Note : Technical summary rept.,
Corporate Author : WISCONSIN UNIV MADISON MATHEMATICS RESEARCH CENTER
Personal Author(s) : Sibuya,Yasutaka
Report Date : AUG 1968
Pagination or Media Count : 23
Abstract : A blockdiagonalization theorem of a linear system of differential equations at an irregular singular point is proved. Such a transformation is constructed so that it admits an asymptotic representation with respect to the independent variable and parameters. (Author)
Descriptors : (*DIFFERENTIAL EQUATIONS, *PERTURBATION THEORY), TRANSFORMATIONS(MATHEMATICS), NONLINEAR DIFFERENTIAL EQUATIONS, ASYMPTOTIC SERIES, MATRICES(MATHEMATICS), COMPLEX VARIABLES, THEOREMS
Subject Categories : Theoretical Mathematics
Distribution Statement : APPROVED FOR PUBLIC RELEASE