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In this paper, we establish Li-Yau-type and Hamilton-type estimates for positive solutions to the heat equation associated with the generalized Ricci flow, under a less stringent curvature condition. Compared with [25] and [35], these…

Differential Geometry · Mathematics 2025-06-06 Juanling Lu , Yu Zheng

In this paper, we present a new distributional identity for the solutions of elliptic equations involving Hardy potentials with singularities located on the boundary of the domain. Then we use it to obtain the boundary isolated singular…

Analysis of PDEs · Mathematics 2020-03-10 Huyuan Chen , Axander Quaas , Feng Zhou

Thermodynamic quantities, like heat, entropy, or work, are random variables, in stochastic systems. Here, we investigate the statistics of the heat exchanged by a Brownian particle subjected to a logarithm-harmonic potential. We derive…

Statistical Mechanics · Physics 2021-12-08 Pedro V. Paraguassú , Welles A. M Morgado

The goal of this paper is to prove a uniqueness result for a stochastic heat equation with a randomly perturbed potential, which can be considered as a variant of Hardy's uncertainty principle for stochastic heat evolutions.

Analysis of PDEs · Mathematics 2016-05-06 Aingeru Fernández-Bertolin , Jie Zhong

We study Hill's differential equation with potential expressed by elliptic functions which arises in some problems of physics and mathematics. Analytical method can be applied to study the local properties of the potential in asymptotic…

Mathematical Physics · Physics 2024-04-23 Wei He , Peng Su

We prove sharp blow up rates of solutions of higher order conformally invariant equations in a bounded domain with an isolated singularity, and show the asymptotic radial symmetry of the solutions near the singularity. This is an extension…

Analysis of PDEs · Mathematics 2019-01-15 Tianling Jin , Jingang Xiong

This paper is dedicated to the unique continuation properties of the solutions to nonlinear variational problems. Our analysis covers the case of nonlinear autonomous functionals depending on the gradient, as well as more general double…

Analysis of PDEs · Mathematics 2024-08-02 Lorenzo Ferreri , Luca Spolaor , Bozhidar Velichkov

In this paper, we develop a systematical approach in applying an asymptotic method of moving planes to investigate qualitative properties of positive solutions for fractional parabolic equations. We first obtain a series of needed key…

Analysis of PDEs · Mathematics 2020-06-26 Wenxiong Chen , Pengyan Wang , Yahui Niu , Yunyun Hu

We discuss the long time behaviour of the parabolic Anderson model, the Cauchy problem for the heat equation with random potential on $\Z^d$. We consider general i.i.d. potentials and show that exactly \emph{four} qualitatively different…

Probability · Mathematics 2017-08-23 Remco van der Hofstad , Wolfgang Koenig , Peter Moerters

In this article, we study the boudary blow-up solutions for semilinear fractional equations with power absorption. Our main purpose is to obtain the existence, nonuniqueness and behavior asymptotic near the boundary.

Analysis of PDEs · Mathematics 2013-11-26 Huyuan chen , Patricio Felmer , Alexander Quaas

We study the existence/nonexistence and qualitative properties of the positive solutions to the problem \begin{align*} (-\Delta)^s u -\theta\frac{u}{|x|^{2s}}&=u^p - u^q \quad\text{in }\,\, \mathbb{R}^N,\quad u > 0 \quad\text{in }\,\,…

Analysis of PDEs · Mathematics 2021-10-28 Mousomi Bhakta , Debdip Ganguly , Luigi Montoro

This article considers nonlocal heat flows into a singular target space. The problem is the parabolic analogue of a stationary problem that arises as the limit of a singularly perturbed elliptic system. It also provides a gradient flow…

Analysis of PDEs · Mathematics 2015-03-17 Stanley Snelson

We consider a class of blow-up solutions for perturbed nonlinear heat equations involving gradient terms. We first prove the single point blow-up property for this equation and determine its final blow-up profile. We also give a sharper…

Analysis of PDEs · Mathematics 2026-02-13 Maissâ Boughrara

We prove the existence, qualitative properties and asymptotic behavior of positive solutions to the doubly critical problem $$ (-\Delta)^s u=\vartheta\frac{u}{|x|^{2s}}+u^{2_s^*-1}, \quad u\in \dot{H}^s(\mathbb{R}^N).$$ The technique that…

Analysis of PDEs · Mathematics 2015-06-25 Serena Dipierro , Luigi Montoro , Ireneo Peral , Berardino Sciunzi

The present work is concerned with existence of positive solutions for a class of fractional equation involving a Kirchhoff term and singular potential.

Analysis of PDEs · Mathematics 2020-04-21 Boumediene Abdellaoui , Abdelhalim Azzouz , Ahmed Bensedik

We study the singular set in the thin obstacle problem for degenerate parabolic equations with weight $|y|^a$ for $a \in (-1,1)$. Such problem arises as the local extension of the obstacle problem for the fractional heat operator…

Analysis of PDEs · Mathematics 2019-07-30 Agnid Banerjee , Donatella Danielli , Nicola Garofalo , Arshak Petrosyan

We prove Calder\'on-Zygmund type estimates of weak solutions to non-homogeneous nonlocal parabolic equations under a minimal regularity requirement on kernel coefficients. In particular, the right-hand side is presented by a sum of…

Analysis of PDEs · Mathematics 2024-06-12 Sun-Sig Byun , Kyeongbae Kim , Deepak Kumar

In this article, we develop a functional-analytic framework to establish existence, uniqueness, regularity of disintegration, and statistical properties of equilibrium states for a broad class of dynamical systems, potentially discontinuous…

Dynamical Systems · Mathematics 2026-02-20 Rafael Bilbao , Rafael Lucena

The purpose of this article is to expose and further develop a simple yet surprisingly far-reaching framework for generating monotone quantities for positive solutions to linear heat equations in euclidean space. This framework is…

Classical Analysis and ODEs · Mathematics 2017-05-19 Jonathan Bennett , Neal Bez

We introduce a new Neumann problem for the fractional Laplacian arising from a simple probabilistic consideration, and we discuss the basic properties of this model. We can consider both elliptic and parabolic equations in any domain. In…

Analysis of PDEs · Mathematics 2014-11-03 Serena Dipierro , Xavier Ros-Oton , Enrico Valdinoci
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