Existence of attractors for three-dimensional flows
  We prove the results in [1] using Theorem 1 of the recent paper [2] by Crovisier and Yang.   References:   [1] Arbieto, A., Rojas, C., Santiago, B., Existence of attractors, homoclinic tangencies and singular-hyperbolicity for flows, arXiv:1308.1734v1 [math.DS] 8 Aug 2013.   [2] Crovisier, S., Yang, D., On the density of singular hyperbolic three-dimensional vector fields: a conjecture of Palis, arXiv:1404.5130v1 [math.DS] 21 Apr 2014. 
C.A. Morales
math.DS