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Ranking graphs through hitting times of Markov chains
Random Structures and Algorithms ( IF 0.9 ) Pub Date : 2021-02-04 , DOI: 10.1002/rsa.20998
Emilio De Santis 1
Affiliation  

In the present paper we show that for any given digraph urn:x-wiley:rsa:media:rsa20998:rsa20998-math-0001, that is, an oriented graph without self-loops and 2-cycles, one can construct a 1-dependent Markov chain and n identically distributed hitting times T1, … , Tn on this chain such that the probability of the event Ti > Tj, for any i, j = 1, … , n, is larger than urn:x-wiley:rsa:media:rsa20998:rsa20998-math-0002 if and only if urn:x-wiley:rsa:media:rsa20998:rsa20998-math-0003. This result is related to various paradoxes in probability theory, concerning in particular non-transitive dice.

中文翻译:

通过马尔可夫链的命中次数对图进行排序

在本文中,我们证明对于任何给定的有向图urn:x-wiley:rsa:media:rsa20998:rsa20998-math-0001,即没有自环和 2 圈的有向图,可以构造一个依赖于 1 的马尔可夫链和n 个同分布的命中时间T 1 , … ,  T n on这个链使得事件T i  >  T j的概率,对于任何i,  j  = 1, … ,  n,大于urn:x-wiley:rsa:media:rsa20998:rsa20998-math-0002当且仅当urn:x-wiley:rsa:media:rsa20998:rsa20998-math-0003。这个结果与概率论中的各种悖论有关,特别是关于非传递骰子。
更新日期:2021-02-04
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