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Harnack's Estimates, Positivity and Local Behavior of Degenerate and Singular Parabolic Equations

  1. The aim of this article is to give an introduction to certain inequalities named after Carl Gustav Axel von Harnack. These inequalities were originally defined for harmonic functions in the plane and much late...

    Authors: Moritz Kassmann
    Citation: Boundary Value Problems 2007 2007:081415
  2. We study overdetermined boundary conditions for positive solutions to some elliptic partial differential equations of -Laplacian type in ...

    Authors: John L Lewis and Andrew L Vogel
    Citation: Boundary Value Problems 2006 2007:030190