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Keller–Osserman estimates and removability result for the anisotropic porous medium equation with gradient absorption term
Author(s) -
Shan M. A.,
Skrypnik I. I.
Publication year - 2019
Publication title -
mathematische nachrichten
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 50
eISSN - 1522-2616
pISSN - 0025-584X
DOI - 10.1002/mana.201700177
Subject(s) - gravitational singularity , mathematics , anisotropy , porous medium , term (time) , class (philosophy) , absorption (acoustics) , mathematical analysis , pure mathematics , porosity , physics , materials science , optics , composite material , computer science , quantum mechanics , artificial intelligence
We study “large” nonnegative solutions for a class of quasilinear equations model of which isu t − ∑ i = 1 nu m i − 1u x ix i + ∑ i = 1 n| u x i | q i = 0 .We give a sufficient condition on the exponents m i and q i for the removability of isolated singularities.