Lipschitz regularity for the parabolic (s,p)-obstacle problem (Preprint)

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Type: Preprint
National /International: International
Title: Lipschitz regularity for the parabolic (s,p)-obstacle problem
Publication Date: 2026-07-03
Authors: - David Jesus
- Aelson Sobral
- José Miguel Urbano
Abstract:

We study the obstacle problem for the parabolic fractional \( p \)-Laplace equation \( ∂_tu + (−∆_p)^su = 0 \) in the degenerate range \( 2 < p < 2/(1 − s). \) We prove that viscosity solutions are locally Lipschitz continuous in space and Holder continuous in time. If, in addition, \( p > 1/(1 − s) \), the time regularity improves to Lipschitz continuity.

Institution: DMUC 26-31
Online version: http://www.mat.uc.pt...prints/eng_2026.html
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UID/00324/2025 Projeto Estratégico com a referência DOI https://doi.org/10.54499/UID/00324/2025.
https://doi.org/10.54499/UID/PRR/00324/2025     UID/PRR/00324/2025   https://doi.org/10.54499/UID/PRR2/00324/2025   UID/PRR2/00324/2025
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