Extinction and Positivity for a Doubly Nonlinear Degenerate Parabolic Equation

Hong Jun YUAN, Song Zhe LIAN, Chun Ling CAO, Wen Jie GAO, Xiao Jing XU

Acta Mathematica Sinica . 2007, (10): 1751 -1756 . DOI: 10.1007/s10114-007-0944-6