TY - JOUR AU - Díaz Díaz, Jesús Ildefonso AU - Shmarev, Sergey PY - 2009 DO - 10.1007/s00205-008-0164-y SN - 0003-9527 UR - https://hdl.handle.net/20.500.14352/49893 T2 - Archive for Rational Mechanics and Analysis AB - We study the dynamics and regularity of level sets in solutions of the semilinear parabolic equation u(t) - Delta u is an element of aH(u - mu) in Q = Omega X (0, T], where Omega subset of R(n) is a ring-shaped domain, a and mu are given positive... LA - eng M2 - 75 PB - Springer KW - diffusion-equations KW - discontinuous nonlinearities KW - interfaces KW - uniqueness TI - Lagrangian Approach to the Study of Level Sets: Application to a Free Boundary Problem in Climatology TY - journal article VL - 194 ER -