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Related papers: Maximal $L^{q}$-regularity for the Laplacian on ma…

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We consider the porous medium equation on manifolds with conical singularities and show existence, uniqueness and maximal $L^{p}$-regularity of a short time solution. In particular, we obtain information on the short time asymptotics of the…

Analysis of PDEs · Mathematics 2019-12-04 Nikolaos Roidos , Elmar Schrohe

We study the porous medium equation on manifolds with conical singularities. Given strictly positive initial values, we show that the solution exists in the maximal $L^{q}$-regularity space for all times and is instantaneously smooth in…

Analysis of PDEs · Mathematics 2019-03-19 Nikolaos Roidos , Elmar Schrohe

Realizations of differential operators subject to differential boundary conditions on manifolds with conical singularities are shown to have a bounded $H_{\infty}$-calculus in appropriate $L_{p}$-Sobolev spaces provided suitable conditions…

Analysis of PDEs · Mathematics 2021-07-12 Nikolaos Roidos , Elmar Schrohe , Jörg Seiler

We show the existence of solution in the maximal $L_p-L_q$ regularity framework to a class of symmetric parabolic problems on a uniformly $C^2$ domain in ${\mathcal R}$. Our approach consist in showing ${\mathcal R}$ - boundedness of…

Analysis of PDEs · Mathematics 2019-09-16 Tomasz Piasecki , Yoshihiro Shibata , Ewelina Zatorska

This is the first of a series of two papers which studies the fractional porous medium equation on a Riemannian manifold with isolated conical singularities. In this article, we show $R$-sectoriality for the fractional powers of possibly…

Analysis of PDEs · Mathematics 2022-03-15 Nikolaos Roidos , Yuanzhen Shao

This is an introduction to the analysis of nonlinear evolution equations on manifolds with conical singularities via maximal regularity techniques. We address the specific difficulties due to the singularities, in particular the choice of…

Analysis of PDEs · Mathematics 2026-03-30 Elmar Schrohe

We consider the Cahn-Hilliard equation on manifolds with conical singularities. For appropriate initial data, we show that the solution exists in the maximal $L^q$-regularity space for all times and becomes instantaneously smooth in space…

Analysis of PDEs · Mathematics 2024-03-22 Pedro T. P. Lopes , Nikolaos Roidos

We consider fractional parabolic equations with variable coefficients and establish maximal $L_{q}$-regularity in Bessel potential spaces of arbitrary nonnegative order. As an application, we show higher order regularity and instantaneous…

Analysis of PDEs · Mathematics 2024-03-22 Nikolaos Roidos , Yuanzhen Shao

We study an elliptic differential operator A on a manifold with conic points. Assuming A to be defined on the smooth functions supported away from the singularities, we first address the question of possible closed extensions of A to L^p…

Analysis of PDEs · Mathematics 2007-05-23 S. Coriasco , E. Schrohe , J. Seiler

For the wave equation associated to the Laplacian on a compact manifold with boundary with a conic metric (with respect to which the boundary is metrically a point) the propagation of singularities through the boundary is analyzed. Under…

Analysis of PDEs · Mathematics 2007-05-23 Richard Melrose , Jared Wunsch

In this work, we consider the Cauchy problem for $u' - Au = f$ with $A$ the Laplacian operator on some Riemannian manifolds or a sublapacian on some Lie groups or some second order elliptic operators on a domain. We show the boundedness of…

Classical Analysis and ODEs · Mathematics 2007-10-17 Pascal Auscher , Frédéric Bernicot , Jiman Zhao

In this paper we prove higher regularity for 2m-th order parabolic equations with general boundary conditions. This is a kind of maximal L_p-L_q regularity with differentiability, i.e. the main theorem is isomorphism between the solution…

Analysis of PDEs · Mathematics 2020-11-24 Naoto Kajiwara

We establish boundedness of the $H^\infty$-calculus for the Dirichlet Laplacian on conical domains in $\mathbb{R}^d$ and corresponding wedges on $L^p$-spaces with mixed weights. The weights are based on both the distance to the boundary and…

Functional Analysis · Mathematics 2025-12-23 Petru A. Cioica-Licht , Emiel Lorist , P. Tobias Werner

We study some basic analytic questions related to differential operators on Lie manifolds, which are manifolds whose large scale geometry can be described by a a Lie algebra of vector fields on a compactification. We extend to Lie manifolds…

Analysis of PDEs · Mathematics 2025-10-20 Bernd Ammann , Alexandru D. Ionescu , Victor Nistor

In this paper we study the statistical properties of Laplacian smoothing, a graph-based approach to nonparametric regression. Under standard regularity conditions, we establish upper bounds on the error of the Laplacian smoothing estimator…

Statistics Theory · Mathematics 2021-06-04 Alden Green , Sivaraman Balakrishnan , Ryan J. Tibshirani

In this article, we set up the continuous maximal regularity theory for a class of linear differential operators on manifolds with singularities. These operators exhibit degenerate or singular behaviors while approaching the singular ends.…

Analysis of PDEs · Mathematics 2016-09-29 Yuanzhen Shao

We prove optimal regularity results in $L_p$-based function spaces in space and time for a large class of linear parabolic equations with a nonlocal elliptic operator in bounded domains with limited smoothness. Here the nonlocal operator is…

Analysis of PDEs · Mathematics 2024-09-27 Helmut Abels , Gerd Grubb

We provide sharp boundary regularity estimates for solutions to elliptic equations driven by an integro-differential operator obtained as the sum of a Laplacian with a nonlocal operator generalizing a fractional Laplacian. Our approach…

Analysis of PDEs · Mathematics 2025-12-10 Nicola Abatangelo , Elisa Affili , Matteo Cozzi

The focus of this work is on the homogeneous and non-homogeneous Dirichlet problem for the Laplacian in bounded Lipschitz domains (BLD). Although it has been extensively studied by many authors, we would like to return to a number of…

Analysis of PDEs · Mathematics 2025-10-17 Chérif Amrouche , Mohand Moussaoui

We show that, on a manifold with conical singularities, the asymptotics of the solutions to the porous medium equation near the conical points are determined by the spectrum of the Laplacian on the cross-section of the cone. The key to this…

Analysis of PDEs · Mathematics 2025-11-03 Nikolaos Roidos , Elmar Schrohe
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