Bounded Cutoff Window for the Non-backtracking Random Walk on Ramanujan Graphs

Evita Nestoridi; Peter Sarnak

doi:10.1007/s00493-023-00017-8

Bounded Cutoff Window for the Non-backtracking Random Walk on Ramanujan Graphs

Evita Nestoridi, Peter Sarnak

Mathematics

Research output: Contribution to journal › Article › peer-review

Abstract

We prove that the non-backtracking random walk on Ramanujan graphs with large girth exhibits the fastest possible cutoff with a bounded window.

Original language	English (US)
Pages (from-to)	367-384
Number of pages	18
Journal	Combinatorica
Volume	43
Issue number	2
DOIs	https://doi.org/10.1007/s00493-023-00017-8
State	Published - Apr 2023

All Science Journal Classification (ASJC) codes

Discrete Mathematics and Combinatorics
Computational Mathematics

Keywords

Almost diameter
Cutoff
Density hypothesis
Non-backtracking random walk
Window

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10.1007/s00493-023-00017-8

Cite this

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title = "Bounded Cutoff Window for the Non-backtracking Random Walk on Ramanujan Graphs",

abstract = "We prove that the non-backtracking random walk on Ramanujan graphs with large girth exhibits the fastest possible cutoff with a bounded window.",

keywords = "Almost diameter, Cutoff, Density hypothesis, Non-backtracking random walk, Window",

author = "Evita Nestoridi and Peter Sarnak",

note = "Publisher Copyright: {\textcopyright} 2023, The Author(s), under exclusive licence to J{\'a}nos Bolyai Mathematical Society and Springer-Verlag GmbH Germany, part of Springer Nature.",

year = "2023",

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doi = "10.1007/s00493-023-00017-8",

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AU - Nestoridi, Evita

AU - Sarnak, Peter

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AB - We prove that the non-backtracking random walk on Ramanujan graphs with large girth exhibits the fastest possible cutoff with a bounded window.

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KW - Cutoff

KW - Density hypothesis

KW - Non-backtracking random walk

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JF - Combinatorica

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ER -

Bounded Cutoff Window for the Non-backtracking Random Walk on Ramanujan Graphs

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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