Spectral Geometry and Asymptotically Conic Convergence

Details Spectral Geometry and Asymptotically Conic Convergence Spectral Geometry and Asymptotically Conic Convergence

2007-01-13

arxiv.org/abs/math/0701383v1

Mathematics

Spectral Theory

Scientific paper

In this paper we define a new convergence called "asymptotically conic convergence" in which a smooth family of Riemannian metrics on a fixed compact manifold degenerate to a metric with isolated conic singularity. Our results are: convergence of the spectrum of the geometric Laplacians and uniform convergence of the corresponding heat kernels and existence of a full asymptotic expansion with uniform convergence for all time. Techniques include: the resolution of a conic singularity using a new "resolution blowup" and microlocal analysis using pseudodifferential operator calculi on manifolds with corners constructed by various (standard and non-standard) blowups.

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