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Title:
Transcience for the interchange process in dimension 5
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Abstract:
The interchange process \sigma_T is a random permutation valued process on a graph evolving in time by transpositions on its edges at rate 1. On Z^d, when T is small all the cycles of the permutation \sigma_T are finite almost surely. In dimension d \geq 3 infinite cycles are expected when T is large. The cycles can be interpreted as a random walk which interacts with its past and we give a multi-scale proof establishing transience of the walk (and hence infinite cycles) when d\geq 5. Joint work with Dor Elbiom
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