Home > Articles > Published articles > Centers and uniform isochronous centers of planar polynomial differential systems |
Date: | 2018 |
Abstract: | For planar polynomial vector fields of the form \[ (-y X(x,y)) x (x Y(x,y)) y, \] where X and Y start at least with terms of second order in the variables x and y, we determine necessary and sufficient conditions under which the origin is a center or a uniform isochronous centers. |
Grants: | European Commission 318999 European Commission 316338 Ministerio de Educación y Ciencia TIN2014-57364-C2-1-R Ministerio de Economía y Competitividad MTM2013-40998-P Ministerio de Educación y Ciencia TIN2011-27076-C03-01 Agència de Gestió d'Ajuts Universitaris i de Recerca 2014/SGR-568 |
Rights: | Tots els drets reservats. |
Language: | Anglès |
Document: | Article ; recerca ; Versió acceptada per publicar |
Subject: | Center-focus problem ; Polynomial planar differential system ; Uniform isochronous centers |
Published in: | Journal of dynamics and differential equations, Vol. 30, issue 3 (Sep. 2018) , p. 1295-1310, ISSN 1572-9222 |
Postprint 15 p, 625.2 KB |