Toric tableaux and the inhomogeneous two-species TASEP on a ring

Toric tableaux and the inhomogeneous two-species TASEP on a ring
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环面造型和环上不均匀的两种 TASEP

DOI:
10.1016/j.aam.2019.101958
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发表时间:
2020
影响因子:
1.1
通讯作者:
Mandelshtam, Olya
Mandelshtam, Olya
中科院分区:
数学3区
文献类型:
--
作者:
Mandelshtam, Olya

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环上的非均匀两物种 TASEP 是一种排除过程,描述了不同物种的粒子以参数给定的不均匀速率在环上顺时针跳跃。我们引入了一个新的对象,我们称之为菱形替代画面,它是菱形平铺的三角形格子上的某些画面填充,并且与法拉利和马丁经过充分研究的多线队列双射。使用该表格,我们获得了非齐次两物种 TASEP 的平稳概率公式,该公式专门针对 Ayyer 和 Linusson 的结果。此外,我们还获得了这些概率的显式行列式,并在画面上定义了一个马尔可夫链,该链投影到环上的两种 TASEP。
The inhomogeneous two-species TASEP on a ring is an exclusion process that describes particles of different species hopping clockwise on a ring with inhomogeneous rates given by parameters. We introduce a new object that we calltoric rhombic alternative tableaux, which are certain fillings of tableaux on a triangular lattice tiled with rhombi, and are in bijection with the well-studiedmultiline queuesof Ferrari and Martin. Using the tableaux, we obtain a formula for the stationary probabilities of the inhomogeneous two-species TASEP, which specializes to results of Ayyer and Linusson. We obtain, in addition, an explicit determinantal formula for these probabilities, and define a Markov chain on the tableaux that projects to the two-species TASEP on a ring.
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发表时间: 2006-12-01
影响因子: 2.4
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