supported by National Natural Science Foundation of China(11126336 and 11201324);New Teachers’Fund for Doctor Stations,Ministry of Education(20115134120001);Fok Ying Tuny Education Foundation(141114);Youth Fund of Sichuan Province(2013JQ0027)
According to the variational analysis and the potential well argument, we get the optimal conditions of global existence and blow-up for a type of nonlinear parabolic equations. Furthermore, we give its application in...