Confluence of singularities of differential equation: a Lie algebra contraction approach

zbMath1179.34101arXiv0807.0350MaRDI QIDQ5192159

Dominique Manchon, Mohammed Brahim Zahaf

Publication date: 4 August 2009

Full work available at URL: https://arxiv.org/abs/0807.0350

zbMATH Keywords

singularitiescontractionLie groupsLie algebrasconfluences-rank

Mathematics Subject Classification ID

General properties and structure of real Lie groups (22E15) Singularities, monodromy and local behavior of solutions to ordinary differential equations in the complex domain, normal forms (34M35) Lamé, Mathieu, and spheroidal wave functions (33E10) Algebraic aspects (differential-algebraic, hypertranscendence, group-theoretical) of ordinary differential equations in the complex domain (34M15)

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