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A parabolic two-phase obstacle-like equation
Authors:Henrik Shahgholian  Nina Uraltseva  Georg S Weiss
Institution:a Department of Mathematics, Royal Institute of Technology, 100 44 Stockholm, Sweden
b St. Petersburg State University, Department of Mathematics and Mechanics, 198504 St. Petersburg, Staryi Petergof, Universitetsky Pr. 28, Russian Federation
c Graduate School of Mathematical Sciences, University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo-to 153-8914, Japan
Abstract:For the parabolic obstacle-problem-like equation
Δutu=λ+χ{u>0}−λχ{u<0},
Keywords:primary  35R35  secondary  35J60
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