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Pàgina inicial > Articles > Articles publicats > The index of singularities of vector fields and finite jets |
Data: | 2011 |
Resum: | We describe when the index of a singularity of a smooth vector field is determined by a finite jet at the singularity. We also give some criteria to determine some terms from the formal series expansion of the vector field at the singularity which determine the index. |
Ajuts: | Ministerio de Economía y Competitividad MTM2008-03437 Agència de Gestió d'Ajuts Universitaris i de Recerca 2009/SGR-410 |
Nota: | Agraïments: The second author has been supported by Marie Curie IEF grant number 234559, and would like to thank CRM Barcelona for their hospitality. |
Drets: | Tots els drets reservats. |
Llengua: | Anglès |
Document: | Article ; recerca ; Versió acceptada per publicar |
Matèria: | Topological index ; Vector fields ; Newton diagram |
Publicat a: | Journal of differential equations, Vol. 251 (2011) , p. 2822-2832, ISSN 1090-2732 |
Postprint 13 p, 342.5 KB |