Uniqueness and Ergodicity of Stationary Directed Polymers on $$\mathbb {Z}^2$$
Uniqueness and Ergodicity of Stationary Directed Polymers on $$\mathbb {Z}^2$$
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$$mathbb {Z}^2$$ 上固定定向聚合物的唯一性和遍历性
DOI:
10.1007/s10955-020-02541-z
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发表时间:
2020
影响因子:
1.6
通讯作者:
Rassoul-Agha, Firas
中科院分区:
文献类型:
--
作者:
Janjigian, Christopher;Rassoul-Agha, Firas
We study the ergodic theory of stationary directed nearest-neighbor polymer models on, with i.i.d. weights. Such models are equivalent to specifying a stationary distribution on the space of weights and correctors that satisfy certain consistency conditions. We show that for a prescribed weight distribution and corrector mean, there is at most one stationary polymer distribution which is ergodic under theorshift. Further, if the weights have more than two moments and the corrector mean vector is an extreme point of the superdifferential of the limiting free energy, then the corrector distribution is ergodic under each of theandshifts.
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DOI:
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发表时间:
2015
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发表时间:
2017
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通讯作者:
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