%0 Journal Article %T Threshold result for semilinear parabolic equations %A Qiuyi Dai %A Yonggeng Gu %A Fang Liu %A Junhui Xie %J Mathematics %D 2010 %I arXiv %X In this paper, we study initial boundary value problem of semilinear parabolic equations and prove that any positive solution of its steady-state problem is an initial datum threshold for the existence and nonexistence of global solution to the above mentioned parabolic problem %U http://arxiv.org/abs/1002.0285v2