Classification of Finite Groups With Equal Left and Right Quotient Sets

Fuente: arXiv
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Autores principales: Mouli, Haran, Saldin, Pramana
Formato: Preprint
Publicado: 2025
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author Mouli, Haran
Saldin, Pramana
author_facet Mouli, Haran
Saldin, Pramana
contents In this paper, we classify all finite groups $G$ which have the following property: for all subsets $A \subseteq G$, we have $|AA^{-1}| = |A^{-1}A|$. This question is motivated by the problem in additive combinatorics of More Sums Than Difference sets and answers several questions posed in arXiv:2509.00611 [math.NT].
format Preprint
id arxiv_https___arxiv_org_abs_2509_04717
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Classification of Finite Groups With Equal Left and Right Quotient Sets
Mouli, Haran
Saldin, Pramana
Group Theory
Combinatorics
20E34 (Primary), 11P70 (Secondary)
In this paper, we classify all finite groups $G$ which have the following property: for all subsets $A \subseteq G$, we have $|AA^{-1}| = |A^{-1}A|$. This question is motivated by the problem in additive combinatorics of More Sums Than Difference sets and answers several questions posed in arXiv:2509.00611 [math.NT].
title Classification of Finite Groups With Equal Left and Right Quotient Sets
topic Group Theory
Combinatorics
20E34 (Primary), 11P70 (Secondary)
url https://arxiv.org/abs/2509.04717