Title

Martin Boundary and Exit Space on the Sierpinski Gasket

Document Type

Article

Publication Date

2012

Publication Title

Science China Mathematics

DOI

10.1007/s11425-011-4339-x

Abstract

We define a new Markov chain on the symbolic space representing the Sierpinski gasket (SG), and show that the corresponding Martin boundary is homeomorphic to the SG while the minimal Martin boundary is the three vertices of the SG. In addition, the harmonic structure induced by the Markov chain coincides with the canonical one on the SG. This suggests another approach to consider the existence of Laplacians on those self-similar sets for which the problem is still not settled.

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