Irregularity for Singular System of Ordinary Differential Equations in Complex Domain

DOI10.1619/FESI.52.53zbMath1179.34102OpenAlexW2057381123MaRDI QIDQ5191194

Kunio Ichinobe, Masatake Miyake

Publication date: 29 July 2009

Published in: Funkcialaj Ekvacioj (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1619/fesi.52.53

zbMATH Keywords

singular systemirregularityindex formulaexponential growth orderformal Gevrey space

Mathematics Subject Classification ID

Formal solutions and transform techniques for ordinary differential equations in the complex domain (34M25) Linear ordinary differential equations and systems in the complex domain (34M03)

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Index of rigidity of differential equations and Euler characteristic of their spectral curves

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