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math.PR2020
The hit-and-run version of top-to-random
Samuel Boardman, Daniel Rudolf, Laurent Saloff-Coste
We study an example of a {\em hit-and-run} random walk on the symmetric group . Our starting point is the well understood {\em top-to-random} shuffle. In the hit-and-r…
math.PR2020
Isoperimetric profiles and random walks on some groups defined by piecewise actions
Laurent Saloff-Coste-Costeb, Tianyi Zheng
We study the isoperimetric and spectral profiles of certain families of finitely generated groups defined via actions on labelled Schreier graphs and simple {\em gluing} of such. I…