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Related papers: Eta invariants with spectral boundary conditions

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We study the asymptotic expansion of the smeared L2-trace of fexp(-tP^2) where P is an operator of Dirac type, f is an auxiliary smooth smearing function which is used to localize the problem, and chiral bag boundary conditions are imposed.…

Analysis of PDEs · Mathematics 2008-11-26 Giampiero Esposito , Peter Gilkey , Klaus Kirsten

Let $P$ be an operator of Dirac type on a compact Riemannian manifold with smooth boundary. We impose spectral boundary conditions and study the asymptotics of the heat trace of the associated operator of Laplace type.

High Energy Physics - Theory · Physics 2007-05-23 Stuart Dowker , Peter Gilkey , Klaus Kirsten

Let $P$ be an operator of Dirac type on a compact Riemannian manifold with smooth boundary. We impose spectral boundary conditions and study the asymptotics of the heat trace of the associated operator of Laplace type.

Mathematical Physics · Physics 2007-05-23 P. B. Gilkey , K. Kirsten

The operator $e^{-tA}$ and its trace are investigated in the case when $A$ is a non-self-adjoint elliptic differential operator on a manifold with conical singularities. Under a certain spectral condition (parameter-ellipticity) we obtain a…

Analysis of PDEs · Mathematics 2023-10-24 Juan B. Gil

We compute the first 5 terms in the short-time heat trace asymptotics expansion for an operator of Laplace type with transfer boundary conditions using the functorial properties of these invariants.

High Energy Physics - Theory · Physics 2007-05-23 Peter Gilkey , Klaus Kirsten , Dmitri Vassilevich

Let $\ui\di$ be the Dirac operator on a $D=2d$ dimensional ball $\mcB$ with radius $R$. We calculate the spectral asymmetry $\eta(0,\ui\di)$ for D=2 and D=4, when local chiral bag boundary conditions are imposed. With these boundary…

High Energy Physics - Theory · Physics 2009-11-11 A. Kirchberg , K. Kirsten , E. M. Santangelo , A. Wipf

Spectral boundary conditions for Laplace-type operators, of interest in string and brane theory, are partly Dirichlet, partly Neumann-type conditions, partitioned by a pseudodifferential projection. We give sufficient conditions for…

Analysis of PDEs · Mathematics 2009-11-10 Gerd Grubb

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 spectral geometry of an operator of Laplace type on a manifold with a singular surface. We calculate several first coefficients of the heat kernel expansion. These coefficients are responsible for divergences and conformal…

High Energy Physics - Theory · Physics 2009-11-07 P. B. Gilkey , K. Kirsten , D. V. Vassilevich

The heat trace asymptotics are discussed for operators of Laplace type with Dirichlet, Robin, spectral, D/N, and transmittal boundary conditions. The heat content asymptotics are discussed for operators with time dependent coefficients and…

Mathematical Physics · Physics 2009-11-07 Peter B. Gilkey , Klaus Kirsten , JeongHyeong Park , Dmitri Vassilevich

Let $P$ be an operator of Dirac type and let $D=P^2$ be the associated operator of Laplace type. We impose spectral boundary conditions and study the leading heat content coefficients for $D$.

Mathematical Physics · Physics 2009-11-10 P. Gilkey , K. Kirsten , JH. Park

Given a cone pseudodifferential operator $P$ we give a full asymptotic expansion as $t\to 0^+$ of the trace $\Tr Pe^{-tA}$, where $A$ is an elliptic cone differential operator for which the resolvent exists on a suitable region of the…

Spectral Theory · Mathematics 2023-10-24 Juan B. Gil , Paul A. Loya

The high temperature asymptotics of thermodynamic functions of electromagnetic field subjected to boundary conditions with spherical and cylindrical symmetries are constructed by making use of a general expansion in terms of heat kernel…

High Energy Physics - Theory · Physics 2009-11-07 M. Bordag , V. V. Nesterenko , I. G. Pirozhenko

The study of spectral properties of natural geometric elliptic partial differential operators acting on smooth sections of vector bundles over Riemannian manifolds is a central theme in global analysis, differential geometry and…

Mathematical Physics · Physics 2024-02-19 Ivan G. Avramidi

We compute the full asymptotic expansion of the heat kernel Trace$(\exp(-tD^2))$ where $D$ is, assuming RH, the self-adjoint operator whose spectrum is formed of the imaginary parts of non-trivial zeros of the Riemann zeta function. The…

Number Theory · Mathematics 2024-02-21 Alain Connes

This paper is devoted to study the asymptotic expansion of the heat trace of the Dirichlet-to-Neumann map for the thermoelastic equation on a Riemannian manifold with doundary. By providing a method we can obtain all the coefficients of the…

Analysis of PDEs · Mathematics 2022-06-06 Genqian Liu , Xiaoming Tan

Let $A$ be an elliptic operator on a compact manifold with boundary $M$, and let $\wp : \partial\M \to Y$ be a covering map, where $Y$ is a closed manifold. Let $A_C$ be a realization of $A$ subject to a coupling condition $C$ that is…

Spectral Theory · Mathematics 2008-01-28 Thomas Krainer

This is a survey of recent results on zeta- and eta-function poles and values for realizations of Laplace- and Dirac-type operators defined by pseudodifferential projection boundary conditions (including the Atiyah-Patodi-Singer operator…

Analysis of PDEs · Mathematics 2007-05-23 Gerd Grubb

We study the fifth term in the asymptotic expansion of the heat operator trace for a partial differential operator of Laplace type on a compact Riemannian manifold with Dirichlet or Neumann boundary conditions.

High Energy Physics - Theory · Physics 2008-11-26 Thomas P. Branson , Peter B. Gilkey , Dmitri V. Vassilevich

In this article, we provide the spectral analysis of a Dirac-type operator on $\mathbb{Z}^2$ by describing the behavior of the spectral shift function associated with a sign-definite trace-class perturbation by a multiplication operator. We…

Spectral Theory · Mathematics 2022-09-07 Pablo Miranda , Daniel Parra , Georgi Raikov
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