TY - JOUR AU - Díaz Díaz, Jesús Ildefonso AU - Vrabie, Ioan I. PY - 1989 SN - 0764-4442 UR - https://hdl.handle.net/20.500.14352/57515 T2 - Comptes Rendus de l'Académie des Sciences. Série I. Mathématique AB - We show some compactness properties of the operator f--u, where u is the solution of the nonlinear diffusion equation ut−Δφ(u)=f on (0,T)×Ω associated with the parabolic boundary conditions φ(u)=0 on (0,T)×∂Ω and u(0,⋅)=u0(⋅) on Ω, u0 a given function... M2 - 221 PB - Elsevier KW - compactness properties KW - Green operator KW - porous media equation TI - Compactness properties of the generalized green operator associated to the porous-media equation TY - journal article VL - 309 ER -