Mathematics – Probability
Scientific paper
2004-09-16
Mathematics
Probability
Scientific paper
The Brownian loop soup introduced in Lawler and Werner (2004) is a Poissonian realization from a sigma-finite measure on unrooted loops. This measure satisfies both conformal invariance and a restriction property. In this paper, we define a random walk loop soup and show that it converges to the Brownian loop soup. In fact, we give a strong approximation result making use of the strong approximation result of Koml\'os, Major, and Tusn\'ady. To make the paper self-contained, we include a proof of the approximation result that we need.
Lawler Gregory F.
Trujillo Ferreras José A.
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