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Persistent centers of complex systemsChen, Xingwu ; Romanovski, Valery ; Zhang, WeinianOn the basis of some works on persistent centers and weakly persistent centers, in this paper we discuss a generalized version of persistent center and weakly persistent center for complex planar ... differential systems, in which conjugacy of variables may not be required. We give some complex systems which have a persistent center or weakly persistent center at the origin. Then, we find all conditions of persistent center for cubic systems and all conditions of weakly persistent center for complex cubic Lotka-Volterra system. Relations between complex systems and real ones are given concerning persistent centers and weakly persistent centers.Source: Bulletin des sciences mathématiques. - ISSN 0007-4497 (Vol. 138, iss. 1, 2014, str. 110-123)Type of material - article, component part ; adult, seriousPublish date - 2014Language - englishCOBISS.SI-ID - 20374536
Author
Chen, Xingwu |
Romanovski, Valery |
Zhang, Weinian
Topics
matematika |
integrabilnost |
problem centra |
mathematics |
integrability |
center problem
source: Bulletin des sciences mathématiques. - ISSN 0007-4497 (Vol. 138, iss. 1, 2014, str. 110-123)
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Chen, Xingwu | |
Romanovski, Valery | 20779 |
Zhang, Weinian |
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