Darboux integrability and reversible quadratic vector fields

2018-06-132018-06-132005LLIBRE, Jaume; MEDRADO, João Carlos. Darboux integrability and reversible quadratic vector fields. Rocky Mountain Journal of Mathematics, Tempe, v. 35, n. 6, p. 1999-2057, 2005.http://repositorio.bc.ufg.br/handle/ri/15223In this paper we improve the Darboux the- ory of integrability for reversible polynomial vector fields in n R , and we classify the phase portraits of all φ−reversible quadratic polynomial vector fields of R 2 such that theengAcesso AbertoDarboux integrability and reversible quadratic vector fieldsArtigo