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Related papers: Heat content asymptotics with singular data

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We study the asymptotic behavior of the heat content on a compact Riemannian manifold with boundary and with singular specific heat and singular initial temperature distributions imposing Robin boundary conditions. Assuming the existence of…

Analysis of PDEs · Mathematics 2012-12-07 M. van den Berg , P. Gilkey , H. Kang

We study the heat content asymptotics with either Dirichlet or Robin boundary conditions where the initial temperature exhibits radial blowup near the boundary. We show that there is a complete small-time asymptotic expansion and give…

Analysis of PDEs · Mathematics 2008-03-06 M. van den Berg , P. Gilkey , R. Seeley

We study the heat content asymptotics on a Riemannian manifold with smoooth boundary defined by Dirichlet, Neumann, transmittal and transmission boundary conditions.

Mathematical Physics · Physics 2007-05-23 Peter Gilkey , Klaus Kirsten

Let (M,g) be a compact Riemannian manifold without boundary. Let D be a compact subdomain of M with smooth boundary. We examine the heat content asymptotics for the heat flow from D into M where both the initial temperature and the specific…

Analysis of PDEs · Mathematics 2014-01-27 M. van den Berg , P. Gilkey

We discuss the heat content asymptotics associated with the heat flow out of a smooth compact manifold in a larger compact Riemannian manifold. Although there are no boundary conditions, the corresponding heat content asymptotics involve…

Analysis of PDEs · Mathematics 2013-06-27 M. van den Berg , P. Gilkey

The relative heat content associated with a subset $\Omega\subset M$ of a sub-Riemannian manifold, is defined as the total amount of heat contained in $\Omega$ at time $t$, with uniform initial condition on $\Omega$, allowing the heat to…

Analysis of PDEs · Mathematics 2024-11-06 Andrei Agrachev , Luca Rizzi , Tommaso Rossi

We study the small-time asymptotics of the heat content of smooth non-characteristic domains of a general rank-varying sub-Riemannian structure, equipped with an arbitrary smooth measure. By adapting to the sub-Riemannian case a technique…

Analysis of PDEs · Mathematics 2023-01-03 Luca Rizzi , Tommaso Rossi

We study the short time heat content asymptotics for spectral boundary conditions. The heat content coefficients are shown to be non-local and some preliminary results concerning the structure of the first few terms are given.

Mathematical Physics · Physics 2007-05-23 Peter Gilkey , Klaus Kirsten , JeongHyeong Park

The existence of a full asymptotic expansion for the heat content asymptotics of an operator of Laplace type with classical Zaremba boundary conditions on a smooth manifold is established. The first three coefficients in this asymptotic…

Mathematical Physics · Physics 2008-11-26 M. van den Berg , P. Gilkey , K. Kirsten , V. A. Kozlov

This paper establishes the small-time asymptotic behaviors of the regular heat content and spectral heat content for general Gaussian processes in both one-dimensional and multi-dimensional settings, where the boundary of the underlying…

Probability · Mathematics 2024-06-18 Kei Kobayashi , Hyunchul Park

We identify the short time asymptotics of the sub-Riemannian heat content for a smoothly bounded domain in the first Heisenberg group. Our asymptotic formula generalizes prior work by van den Berg-Le Gall and van den Berg-Gilkey to the…

Analysis of PDEs · Mathematics 2023-12-12 Jeremy Tyson , Jing Wang

We obtain monotonicity and convexity results for the heat content of domains in Riemannian manifolds and in Euclidean space subject to various initial temperature conditions. We introduce the notion of a strictly decreasing temperature set,…

Analysis of PDEs · Mathematics 2025-04-23 Michiel van den Berg , Katie Gittins

In this work, we study the asymptotic behaviour of solutions to the heat equation in exterior domains, i.e., domains which are the complement of a smooth compact set in $\mathbb{R}^N$. Different homogeneous boundary conditions are…

Analysis of PDEs · Mathematics 2024-07-18 Joaquín Domínguez-de-Tena , Aníbal Rodríguez-Bernal

We show that, on a complete, connected and non-compact Riemannian manifold of non-negative Ricci curvature, the solution to the heat equation with $L^{1}$ initial data behaves asymptotically as the mass times the heat kernel. In contrast to…

Differential Geometry · Mathematics 2023-02-10 Alexander Grigor'yan , Effie Papageorgiou , Hong-Wei Zhang

We study the small-time asymptotics of the relative heat content for submanifolds in sub-Riemannian geometry. First, we prove the existence of a smooth tubular neighborhood for submanifolds of any codimension, assuming they do not have…

Differential Geometry · Mathematics 2022-02-23 Tommaso Rossi

Let $M$ be a complete Riemannian manifold and $D\subset M$ a smoothly bounded domain with compact closure. We use Brownian motion and the classic results on the Stieltjes moment problem to study the relationship between the Dirichlet…

Spectral Theory · Mathematics 2007-05-23 Patrick McDonald , Robert Meyers

In this work, we study the asymptotic behaviour of solutions to the heat equation in exterior domains, i.e., domains which are the complement of a smooth compact set in $\mathbb{R}^N$. Different homogeneous boundary conditions are…

Analysis of PDEs · Mathematics 2024-10-18 Joaquín Domínguez-de-Tena , Aníbal Rodríguez-Bernal

This paper is twofold. The first part aims to study the long-time asymptotic behavior of solutions to the heat equation on Riemannian symmetric spaces $G/K$ of noncompact type and of general rank. We show that any solution to the heat…

Analysis of PDEs · Mathematics 2023-01-02 Jean-Philippe Anker , Effie Papageorgiou , Hong-Wei Zhang

In this short paper, we derive an alternative proof for some known [van den Berg & Gilkey 2015] short-time asymptotics of the heat content in compact full-dimensional submanifolds $S$ with smooth boundary. This includes formulae like…

Analysis of PDEs · Mathematics 2020-06-23 Nathanael Schilling

We study the asymptotic behavior of solutions to the heat equation in nonhomogeneous media with critical singular density $$ |x|^{-2}\partial_{t}u=\Delta u, \quad \hbox{in} \ \real^N\times(0,\infty). $$ The asymptotic behavior proves to…

Analysis of PDEs · Mathematics 2013-02-26 Razvan Iagar , Ariel Sánchez
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