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arXiv 1702.07237math.PR
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分解对偶、平稳积测度与generating functions

Factorized duality, stationary product measures and generating functions

Frank Redig, Federico Sau

摘要:

我们找到了一类相互作用粒子系统的所有因式分解对偶函数。我们恢复的功能是相互作用的粒子系统,如零程过程,对称包含和排斥过程,以及其连续的对偶和自对偶函数的自对偶函数。该方法是基于,首先,分解的对偶函数和固定的积测度之间的一般关系,其次,生成函数提供的交织关系。对于相互作用粒子系统,这些自对偶和对偶函数是以前在[9]和最近在[8]中得到的那些函数的推广。因此,我们发现,只有这两个对偶族涵盖了所有可能的情况。此外,同样的方法公开了所有的自对偶函数的相互作用扩散系统,如布朗能量过程,其中的过程和它的对偶都是连续变量。

英文摘要:

We find all factorized duality functions for a class of interacting particle systems. The functions we recover are self-duality functions for interacting particle systems such as zero-range processes, symmetric inclusion and exclusion processes, as well as duality and self-duality functions for their continuous counterparts. The approach is based on, firstly, a general relation between factorized duality functions and stationary product measures and, secondly, an intertwining relation provided by generating functions. For the interacting particle systems, these self-duality and duality functions turn out to be generalizations of those previously obtained in [9] and, more recently, in [8]. Thus, we discover that only these two families of dualities cover all possible cases. Moreover, the same method discloses all self-duality functions for interacting diffusion systems such as the Brownian energy process, where both the process and its dual are in continuous variables.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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