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From the 1 of 7 linked papers with an AI index.

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7 papers

math.AP2026

The weak Harnack inequality and the rigidity of the anisotropic Trudinger's equation

Simone Ciani, Mattia Galeotti, Igor Skrypnik

The paper establishes a local weak Harnack inequality for nonnegative weak super‑solutions of the anisotropic Trudinger equation and uses it to derive a Harnack inequality without…

math.AP2026

Qualitative properties of solutions to parabolic anisotropic equations: Part II. The anisotropic Trudinger's equation

Simone Ciani, Eurica Henriques, Mariia O. Savchenko +1

We study the local regularity properties of weak solutions to a special class of anisotropic doubly nonlinear parabolic operators, whose prototype is the anisotropic Trudinger's eq…

math.AP2026

On the Hölder continuity of signed solutions to doubly nonlinear parabolic equations in the mixed degenerate/singular cases

Igor I. Skrypnik

We prove the Hölder continuity of sign-changing solutions to the equation of the type where…

math.AP2026

Regularity for Doubly Nonlinear Equations in the Mixed Regime

Simone Ciani, Eurica Henriques, Mariia Savchenko +2

We study the local Hölder continuity of nonnegative solutions to doubly nonlinear equations by introducing a new technique that allows us to treat the cases where the equation is…

math.AP2025

Qualitative properties of solutions to parabolic anisotropic equations: Part I -- Expansion of positivity

Simone Ciani, Eurica Henriques, Mariia Savchenko +1

We prove expansion of positivity and reduction of the oscillation results to the local weak solutions to a doubly nonlinear anisotropic class of parabolic differential equations wi…

math.AP2025

Parabolic De Giorgi classes with doubly nonlinear, nonstandard growth: local boundedness under exact integrability assumptions

Simone Ciani, Eurica Henriques, Mariia O. Savchenko +1

We define a suitable class of functions bearing unbalanced energy estimates, that are embodied by local weak subsolutions to doubly nonlinear, double-phase, Orlicz-…