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math.AP2026
Long time upper bounds for solutions of Leibenson's equation on Riemannian manifolds
Philipp Sürig
We consider on Riemannian manifolds the Leibenson equation We prove that a certain upper bound for weak solutions of this equation is equivalent to a…
math.AP2026
Parabolic Frequency for Doubly Nonlinear Equations on Manifolds
Jin Sun, Philipp Sürig
We establish monotonicity formulas for a parabolic frequency function associated with sign-changing solutions to a class of doubly nonlinear parabolic equations of the form $\parti…
math.AP2026
Sharp long distance upper bounds for solutions of Leibenson's equation on Riemannian manifolds
Alexander Grigor'yan, Jin Sun, Philipp Sürig
We consider on Riemannian manifolds the Leibenson equation that is also known as a doubly nonlinear evolution equation. We prove sharp upper estimates o…
math.AP2026
Existence results for Leibenson's equation on Riemannian manifolds
Philipp Sürig
We consider on an arbitrary Riemannian manifold the \textit{Leibenson equation} , that is also known as a \textit{doubly nonlinear evolution equation…