Forward, backward and elliptic Harnack inequalities for non-negative solutions to certain singular parabolic partial differential equations Article Sidebar Download Article PDF Download Article Abstract PDF Submitted: Mar 9, 2009 Accepted: May 31, 2009 Published: Jun 9, 2010 DOI: https://doi.org/10.2422/2036-2145.2010.2.06 Issue 2010: VOL. IX, ISSUE 2 Section Article Main Article Content Emmanuele DiBenedetto Ugo Gianazza Vincenzo Vespri Abstract Article Details