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Bibliographic Details
Main Authors: Cassanello, Filippo M., Ciani, Simone, Iannizzotto, Antonio
Format: Preprint
Published: 2026
Subjects:
Online Access:https://arxiv.org/abs/2602.07647
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Table of Contents:
  • We prove several integral Harnack-type inequalities for local weak solutions of parabolic equations with measurable and bounded coefficients, describing singular s-fractional p-Laplacian diffusion. Then we apply the aforementioned estimates to evaluate the decay rate of the local mass and supremum of the solutions as they approach a possible extinction time. Yet we show consistency of our general decay estimates by studying the extinction phenomenon for weak solutions of the Cauchy-Dirichlet problem, by means of an approximation procedure that carefully avoids the use of an integrable time derivative.