%0 Journal Article %T A variational principle for impulsive semiflows %A Jose F. Alves %A Maria Carvalho %A Carlos Vasquez %J Mathematics %D 2014 %I arXiv %X We consider impulsive semiflows defined on compact metric spaces and deduce a variational principle. In particular, we generalize the classical notion of topological entropy to our setting of discontinuous semiflows. %U http://arxiv.org/abs/1410.2372v1