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Let $G$ be a connected, real, semisimple Lie group with finite center, and $K$ a maximal compact subgroup of $G$. In this paper, we derive $K$-equivariant asymptotics for heat traces with remainder estimates on compact Riemannian manifolds…

Spectral Theory · Mathematics 2012-02-22 Octavio Paniagua-Taboada , Pablo Ramacher

To every closed subset $X$ of a symplectic manifold $(M,\omega)$ we associate a natural group of Hamiltonian diffeomorphisms $Ham(X,\omega)$. We equip this group with a semi-norm $\Vert\cdot\Vert^{X,\omega}$, generalizing the Hofer norm. We…

Symplectic Geometry · Mathematics 2011-02-25 Jan Swoboda , Fabian Ziltener

We study the heat trace for both the drifting Laplacian as well as Schr\"odinger operators on compact Riemannian manifolds. In the case of a finite regularity potential or weight function, we prove the existence of a partial (six term)…

Differential Geometry · Mathematics 2020-12-11 Nelia Charalambous , Julie Rowlett

Let $M$ be a complete non-compact manifold satisfying the volume doubling condition, with doubling index $N$ and reverse doubling index $n$, $n\le N$, both for large balls. Assume a Gaussian upper bound for the heat kernel, and an…

Differential Geometry · Mathematics 2020-10-15 Renjin Jiang

We provide a short proof for the theorem that two compact Riemannian manifolds are isomorphic if and only there exists an order isomorphism which intertwines between the heat semigroups on the manifolds.

Analysis of PDEs · Mathematics 2011-04-07 W. Arendt , A. F. M. ter Elst

We consider a complete noncompact smooth Riemannian manifold $M$ with a weighted measure and the associated drifting Laplacian. We demonstrate that whenever the $q$-Bakry-\'Emery Ricci tensor on $M$ is bounded below, then we can obtain an…

Differential Geometry · Mathematics 2013-04-18 Nelia Charalambous , Zhiqin Lu

The quantization problem looks for best approximations of a probability measure on a given metric space by finitely many points, where the approximation error is measured with respect to the Wasserstein distance. On particular smooth…

Metric Geometry · Mathematics 2025-05-22 Ata Deniz Aydin , Mikaela Iacobelli

In this paper we provide explicitly the connection between the hypoelliptic heat kernel for some 3-step sub-Riemannian manifolds and the quartic oscillator. We study the left-invariant sub-Riemannian structure on two nilpotent Lie groups,…

Analysis of PDEs · Mathematics 2010-02-04 Ugo Boscain , Jean-Paul Gauthier , Francesco Rossi

In this paper, we study large-time asymptotics for heat and fractional heat equations in two discrete settings: the full lattice \(\mathbb Z^d\) and finite connected subgraphs with Dirichlet boundary condition. These results provide a…

Analysis of PDEs · Mathematics 2026-02-19 Rui Chen , Bo Li

Substatic Riemannian manifolds with minimal boundary arise naturally in General Relativity as spatial slices of static spacetimes satisfying the Null Energy Condition. Moreover, they constitute a vast generalization of nonnegative Ricci…

Differential Geometry · Mathematics 2023-07-28 Stefano Borghini , Mattia Fogagnolo

Let M be a compact Riemannian manifold with smooth boundary. We obtain the exact long time asymptotic behaviour of the heat kernel on abelian coverings of M with mixed Dirichlet and Neumann boundary conditions. As an application, we study…

Analysis of PDEs · Mathematics 2018-04-05 Xi Geng , Gautam Iyer

This paper aims to study the $(m,\rho)$-quasi Einstein manifold. This article shows that a complete and connected Riemannian manifold under certain conditions becomes compact. Also, we have determined an upper bound of the diameter for such…

Differential Geometry · Mathematics 2022-07-01 Absos Ali Shaikh , Prosenjit Mandal , Chandan Kumar Mondal

In this paper, we consider the heat flow for p-pseudoharmonic maps from a closed Sasakian manifold M into a compact Riemannian manifold N. We prove global existence and asymptotic convergence of the solution for the p-pseudoharmonic map…

Differential Geometry · Mathematics 2016-02-02 Shu-Cheng Chang , Yuxin Dong , Yingbo Han

In this paper, we investigate the thermodynamic properties of the noncommutative Dirac oscillator with a permanent electric dipole moment in the presence of an electromagnetic field in contact with a heat bath. Using the canonical ensemble,…

High Energy Physics - Theory · Physics 2022-12-21 R. R. S. Oliveira , R. R. Landim

In this paper we study a class of elliptic boundary hemivariational inequalities which originates in the steady-state heat conduction problem with nonmonotone multivalued subdifferential boundary condition on a portion of the boundary…

Analysis of PDEs · Mathematics 2021-06-10 Claudia M. Gariboldi , Stanisław Migórski , Anna Ochal , Domingo A. Tarzia

In the first part of the article we develop a comparison method for positive solutions of the semilinear Dirichlet problem $\Delta u+f(u)=0$ on domains $\Omega\subset \mathcal M^n$ of a Riemannian manifold $(\mathcal{M}^n,g)$ with a Ricci…

Differential Geometry · Mathematics 2026-03-31 José M. Espinar , Fernán González-Ibáñez , Diego A. Marín

We investigate observability and Lipschitz stability for the Heisenberg heat equation on the rectangular domain $$\Omega = (-1,1)\times\mathbb{T}\times\mathbb{T}$$ taking as observation regions slices of the form $\omega=(a,b) \times…

Analysis of PDEs · Mathematics 2021-04-07 Karine Beauchard , Piermarco Cannarsa

The main result of this note is the existence of martingale solutions to the stochastic heat equation (SHE) in a Riemannian manifold by using suitable Dirichlet forms on the corresponding path/loop space. Moreover, we present some…

Probability · Mathematics 2017-06-20 Michael Rockner , Bo Wu , Rongchan Zhu , Xiangchan Zhu

We study heat traces associated with positive unbounded operators with compact inverses. With the help of the inverse Mellin transform we derive necessary conditions for the existence of a short time asymptotic expansion. The conditions are…

Mathematical Physics · Physics 2017-02-06 Michał Eckstein , Artur Zając

We study the heat flow from an open, bounded set $D$ in $\R^2$ with a polygonal boundary $\partial D$. The initial condition is the indicator function of $D$. A Dirichlet $0$ boundary condition has been imposed on some but not all of the…

Analysis of PDEs · Mathematics 2019-08-30 Michiel van den Berg , Peter Gilkey , Katie Gittins
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