Summary
We construct a “Brownian motion” taking values in the Sierpinski gasket, a fractal subset of ℝ2, and study its properties. This is a diffusion process characterized by local isotropy and homogeneity properties. We show, for example, that the process has a continuous symmetric transition density, p t(x,y), with respect to an appropriate Hausdorff measure and obtain estimates on p t(x,y).
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Research partially supported by an NSERC of Canada operating grant
Research partially supported by an SERC (UK) Visiting Fellowship
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Barlow, M.T., Perkins, E.A. Brownian motion on the Sierpinski gasket. Probab. Th. Rel. Fields 79, 543–623 (1988). https://doi.org/10.1007/BF00318785
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DOI: https://doi.org/10.1007/BF00318785