TY - JOUR T1 - Existence and Nonexistence of Interfaces of Weak Solutions for Nonlinear Degenerate Parabolic Systems JO - Journal of Partial Differential Equations VL - 2 SP - 177 EP - 185 PY - 1996 DA - 1996/09 SN - 9 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/jpde/5619.html KW - Nonlinear degenerate parabolic systems KW - weak solutions KW - imterfaces AB - The existence and nonexistence of interfaces of weak solutions for nonlinear degenerate parabolic systems \frac{∂u_i}{∂t} - div (|∇u|^{p-2}∇u_i) = 0, i = 1, 2, …, m with p > 1 are studied in this paper.