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We calculate the heat-kernel coefficients, up to $a_2$, for a U(1) bundle on the 4-Ball for boundary conditions which are such that the normal derivative of the field at the boundary is related to a first-order operator in boundary…

High Energy Physics - Theory · Physics 2010-04-06 J. S. Dowker , Klaus Kirsten

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 prove heat kernel estimates for the $\bar\partial$-Neumann Laplacian acting in spaces of differential forms over noncompact, strongly pseudoconvex complex manifolds with a Lie group symmetry and compact quotient. We also relate our…

Spectral Theory · Mathematics 2012-05-29 Joe J. Perez , Peter Stollmann

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

We consider the heat-kernel on a manifold whose boundary is piecewise smooth. The set of independent geometrical quantities required to construct an expression for the contribution of the boundary discontinuities to the C_{2} heat-kernel…

High Energy Physics - Theory · Physics 2009-10-30 J. S. Apps , J. S. Dowker

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 heat kernel expansion for a general non--minimal operator on the spaces $C^\infty (\Lambda^k)$ and $C^\infty (\Lambda^{p,q})$ is studied. The coefficients of the heat kernel asymptotics for this operator are expressed in terms of the…

High Energy Physics - Theory · Physics 2009-10-30 Sergei Alexandrov , Dmitri Vassilevich

We study the $\eta$-invariant of a Dirac operator on a manifold with boundary subject to local boundary conditions with the help of heat kernel methods. In even dimensions, we relate this invariant to $\eta$-invariants of a boundary Dirac…

High Energy Physics - Theory · Physics 2022-10-13 A. V. Ivanov , D. V. Vassilevich

The heat coefficients related to the Laplace-Beltrami operator defined on the hyperbolic compact manifold $H^3/\Ga$ are evaluated in the case in which the discrete group $\Ga$ contains elliptic and hyperbolic elements. It is shown that…

High Energy Physics - Theory · Physics 2010-11-01 Guido Cognola , Luciano Vanzo

We consider a class of fourth order uniformly elliptic operators in planar Euclidean domains and study the associated heat kernel. For operators with $L^{\infty}$ coefficients we obtain Gaussian estimates with best constants, while for…

Analysis of PDEs · Mathematics 2018-07-04 Gerassimos Barbatis , Panagiotis Branikas

We find a Gaussian off-diagonal heat kernel estimate for uniformly elliptic operators with measurable coefficients acting on regions $\Omega\subseteq\real^N$, where the order $2m$ of the operator satisfies $N<2m$. The estimate is expressed…

Spectral Theory · Mathematics 2007-05-23 Mark P. Owen

We show that the small-time asymptotics of the sub-Riemannian heat kernel, its derivatives, and its logarithmic derivatives can be localized, allowing them to be studied even on incomplete manifolds, under essentially optimal conditions on…

Probability · Mathematics 2025-06-16 Robert W. Neel , Ludovic Sacchelli

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

Under the assumption that data lie on a compact (unknown) manifold without boundary, we derive finite sample bounds for kernel smoothing and its (first and second) derivatives, and we establish asymptotic normality through Berry-Esseen type…

Statistics Theory · Mathematics 2026-01-26 Eunseong Bae , Wolfgang Polonik

The off-diagonal heat-kernel expansion of a Laplace operator including a general gauge-connection is computed on a compact manifold without boundary up to third order in the curvatures. These results are used to study the early-time…

Mathematical Physics · Physics 2011-12-22 Kai Groh , Frank Saueressig , Omar Zanusso

We consider a general Hermitian holomorphic line bundle $L$ on a compact complex manifold $M$ and let ${\Box}^q_p$ be the Kodaira Laplacian on $(0,q)$ forms with values in $L^p$. The main result is a complete asymptotic expansion for the…

Complex Variables · Mathematics 2016-01-05 Xiaonan Ma , George Marinescu , Steve Zelditch

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

This paper is devoted to the study of the one dimensional non homogeneous heat equation coupled to Dirichlet Boundary Conditions. We obtain the explicit expression of the solution of the linear equation by means of a direct integral in an…

Analysis of PDEs · Mathematics 2018-07-09 Alberto Cabada

We consider a complete non-compact Riemannian manifold satisfying the volume doubling property and a Gaussian upper bound for its heat kernel (on functions). Let -- $\rightarrow$ $\Delta$ k be the Hodge-de Rham Laplacian on differential…

Analysis of PDEs · Mathematics 2017-05-22 Jocelyn Magniez , El Maati Ouhabaz

In this paper, we use a probabilistic approach to show that there exists a unique, bounded continuous solution to the Dirichlet boundary value problem for a general class of second order non-symmetric elliptic operators $L$ with singular…

Analysis of PDEs · Mathematics 2015-04-17 Chuan-Zhong Chen , Wei Sun , Jing Zhang