Sharp asymptotics for the free energy of 1+1 dimensional directed polymers in an infinitely divisible environment

被引:6
|
作者
Watbled, Frederique [1 ]
机构
[1] Univ Bretagne Sud, UMR 6205, LMBA, Bretagne, France
关键词
directed polymers in random environment; free energy; infinite divisibility; FKG inequality;
D O I
10.1214/ECP.v17-2221
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
We give sharp estimate for the free energy of directed polymers in random environment in dimension 1+1. This estimate was known for a Gaussian environment, we extend it to the case where the law of the environment is infinitely divisible.
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页码:1 / 9
页数:9
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