English

Total variation cutoff for the transpose top-$2$ with random shuffle

Probability 2021-01-05 v2

Abstract

In this paper, we investigate the properties of a random walk on the alternating group AnA_n generated by 33-cycles of the form (i,n1,n)(i,n-1,n) and (i,n,n1)(i,n,n-1). We call this the transpose top-22 with random shuffle. We find the spectrum of the transition matrix of this shuffle. We show that the mixing time is of order (n32)logn\left(n-\frac{3}{2}\right)\log n and prove that there is a total variation cutoff for this shuffle.

Keywords

Cite

@article{arxiv.1807.08539,
  title  = {Total variation cutoff for the transpose top-$2$ with random shuffle},
  author = {Subhajit Ghosh},
  journal= {arXiv preprint arXiv:1807.08539},
  year   = {2021}
}

Comments

22 pages, 1 table, 1 figure. Minor revisions. The main result (Theorem 3.2 in the older version) has been stated (Theorem 1.1 in the updated version) in the introduction. The link between $P$ and the Jucys Murphy elements has been presented in Lemma 2.1. Examples of Corollary 2.6 have been given in section 2. The figure has been updated from $n=8$ to $n=10$. Some minor changes are done

R2 v1 2026-06-23T03:10:37.713Z