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http://hdl.handle.net/1942/3395
Title: | Nilpotent singularities in generic 4-parameter families of 3-dimensional vector fields | Authors: | DUMORTIER, Freddy IBANEZ MESA, Santiago |
Issue Date: | 1996 | Publisher: | ACADEMIC PRESS INC JNL-COMP SUBSCRIPTIONS | Source: | JOURNAL OF DIFFERENTIAL EQUATIONS, 127(2). p. 590-647 | Abstract: | This paper deals with singularities of vector fields in R(3) having a 1-jet linear conjugate to y(partial derivative/partial derivative x) + z(partial derivative/partial derivative y). They first occur in generic 3-parameter families. In codimension 3 all such singularities are mutually C-D equivalent. We give a proof of this, provide a good normal form for 3-parameter unfoldings, and show that all non-wandering behaviour in such an unfolding is of small amplitude. We also show that for codimension 4 there are exactly 5 types of singularities for C-D equivalence. The proof relies on normal form theory, blowing-up, and estimation of Abelian integrals. (C) 1996 Academic Press, Inc. | Notes: | UNIV OVIEDO,DEPT MATEMAT,E-33007 OVIEDO,SPAIN.Dumortier, F, LIMBURGS UNIV CENTRUM,UNIV CAMPUS,B-3590 DIEPENBEEK,BELGIUM. | Document URI: | http://hdl.handle.net/1942/3395 | DOI: | 10.1006/jdeq.1996.0085 | ISI #: | A1996UN29900013 | Type: | Journal Contribution |
Appears in Collections: | Research publications |
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