A characterization of certain diffusions on the Sierpinski gasket by the exit distributions |
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Authors: | Zoran Vondraček |
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Institution: | (1) Department of Mathematics, University of Zagreb, Bijeni ka c. 30, 10000 Zagreb, Croatia |
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Abstract: | LetK be the Sierpinski gasket with verticesa
1,a
2,a
3 forming an equilateral triangle. Suppose that (X
t
,P
x
) and (Y
t
,Q
x
) are diffusions onK with the same hitting probabilities to verticesa
1,a
2,a
3. We show that ifX is an asymptotically one-dimensional diffusion or ap-stream diffusion, thenY is a time-change ofX.Part of this work was done while the author was an Alexander von Humboldt fellow at the Universität des Saarlandes in Saarbrücken, Germany. |
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Keywords: | Sierpinski gasket diffusions time-change |
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