TY - JOUR
T1 - Extinction and Positivity for the Non-Newtonian Polytropic Filtration Equation
AU - Hongjun Yuan 
JO - Journal of Partial Differential Equations
VL - 2
SP - 169
EP - 176
PY - 1996
DA - 1996/09
SN - 9
DO - http://doi.org/
UR - https://global-sci.org/intro/article_detail/jpde/5618.html
KW - Quasilinear degenerate parabolic equations
KW - extinction and positivity
AB -  The aim of this paper is to discuss the extinction and positivity for the non-Newtonian polytropic filtration equation \frac{∂u}{∂t} = \frac{∂}{∂x}(|\frac{∂u^m}{∂x}|^{p-2}\frac{∂u^m}{∂x}) with m > 0, p > 1.