Schweizer, BenKoch, Jan-Christopher2015-03-032015-03-032014http://hdl.handle.net/2003/33930http://dx.doi.org/10.17877/DE290R-7005enDegenerate parabolic equationsIntrinsic scalingDoubling of variablesL1-contractionTwo-phase flowRichards equationHölder continuityUniquenessPorous mediumSteklov averageChain rule510Uniqueness and regularity for porous media equations with x-dependent coefficientsText