Self-similarity and spectral asymptotics for the continuum random tree

David Croydon and Ben Hambly

Stochastic Processes and their Applications, 2008, vol. 118, issue 5, 730-754

Abstract: We use the random self-similarity of the continuum random tree to show that it is homeomorphic to a post-critically finite self-similar fractal equipped with a random self-similar metric. As an application, we determine the mean and almost-sure leading order behaviour of the high frequency asymptotics of the eigenvalue counting function associated with the natural Dirichlet form on the continuum random tree. We also obtain short time asymptotics for the trace of the heat semigroup and the annealed on-diagonal heat kernel associated with this Dirichlet form.

Keywords: Continuum; random; tree; Self-similar; fractal; Spectral; asymptotics; Heat; kernel (search for similar items in EconPapers)
Date: 2008
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