Abstract
We give a sufficient criterion for the weak disorder regime of directed polymers in random environment, which extends a well-known second moment criterion. We use a stochastic representation of the size-biased law of the partition function.
Citation
Matthias Birkner. "A Condition for Weak Disorder for Directed Polymers in Random Environment." Electron. Commun. Probab. 9 22 - 25, 2004. https://doi.org/10.1214/ECP.v9-1104
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