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arxiv: 0802.3296 · v1 · submitted 2008-02-22 · 🧮 math.PR

A model of continuous time polymer on the lattice

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keywords polymerenvironmentlatticemodelrandomarticlebehaviorbrownian
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In this article, we try to give a rather complete picture of the behavior of the free energy for a model of directed polymer in a random environment, in which the polymer is a simple symmetric random walk on the lattice $\Z^d$, and the environment is a collection $\{W(t,x);t\ge 0, x\in \Z^d\}$ of i.i.d. Brownian motions.

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