Smeared heat-kernel coefficients on the ball and generalized cone

Abstract

We consider smeared zeta functions and heat-kernel coefficients on the bounded, generalized cone in arbitrary dimensions. The specific case of a ball is analysed in detail and used to restrict the form of the heat-kernel coefficients $A_n$ on smooth manifolds with boundary. Supplemented by conformal transformation techniques, it is used to provide an effective scheme for the calculation of the $A_n$. As an application, the complete $A_{5/2}$ coefficient is given.

23 pages, JyTeX

References in corpus (8)

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• Krein's Formula And Heat-Kernel Expansion For Some Differential Operators With A Regular Singularity
• Spectral functions of non essentially selfadjoint operators