Consequences of the random matrix solution to the Peterson-Thom conjecture

Fuente: arXiv
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Main Authors: Hayes, Ben, Jekel, David, Elayavalli, Srivatsav Kunnawalkam
Format: Preprint
Published: 2023
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author Hayes, Ben
Jekel, David
Elayavalli, Srivatsav Kunnawalkam
author_facet Hayes, Ben
Jekel, David
Elayavalli, Srivatsav Kunnawalkam
contents In this paper we show various new structural properties of free group factors using the recent resolution (due independently to Belinschi-Capitaine and Bordenave-Collins) of the Peterson-Thom conjecture. These results include the resolution to the coarseness conjecture independently due to the first-named author and Popa, a generalization of Ozawa-Popa's celebrated strong solidity result using vastly more general versions of the normalizer (and in an ultraproduct setting), a dichotomy result for intertwining of maximal amenable subalgebras of interpolated free group factors, as well as application to ultraproduct embeddings of nonamenable subalgebras of interpolated free group factors.
format Preprint
id arxiv_https___arxiv_org_abs_2308_14109
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Consequences of the random matrix solution to the Peterson-Thom conjecture
Hayes, Ben
Jekel, David
Elayavalli, Srivatsav Kunnawalkam
Operator Algebras
Functional Analysis
Group Theory
Logic
Probability
In this paper we show various new structural properties of free group factors using the recent resolution (due independently to Belinschi-Capitaine and Bordenave-Collins) of the Peterson-Thom conjecture. These results include the resolution to the coarseness conjecture independently due to the first-named author and Popa, a generalization of Ozawa-Popa's celebrated strong solidity result using vastly more general versions of the normalizer (and in an ultraproduct setting), a dichotomy result for intertwining of maximal amenable subalgebras of interpolated free group factors, as well as application to ultraproduct embeddings of nonamenable subalgebras of interpolated free group factors.
title Consequences of the random matrix solution to the Peterson-Thom conjecture
topic Operator Algebras
Functional Analysis
Group Theory
Logic
Probability
url https://arxiv.org/abs/2308.14109