A class of reversible quadratic polynomial vector fields on S-2

Pereira, Weber F. [UNESP]Pessoa, Claudio2014-05-202014-05-202010-11-01Journal of Mathematical Analysis and Applications. San Diego: Academic Press Inc. Elsevier B.V., v. 371, n. 1, p. 203-209, 2010.0022-247Xhttp://hdl.handle.net/11449/22146We study a class of quadratic reversible polynomial vector fields on S-2. We classify all the centers of this class of vector fields and we characterize its global phase portrait. (C) 2010 Elsevier B.V. All rights reserved.203-209engReversible polynomial vector fieldsCentersLimit cyclesPhase portraitA class of reversible quadratic polynomial vector fields on S-2Artigo10.1016/j.jmaa.2010.05.021WOS:000280121500019Acesso restrito37249378865574240000-0001-6790-1055