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On the analog category of finite groups

Ben Knudsen and Shmuel Weinberger

Algebraic & Geometric Topology 26 (2026) 1585–1596
DOI: 10.2140/agt.2026.26.1585
Abstract

We show that the analog category of a finite group is essentially proportional to the size of its largest Sylow subgroup. We conclude that the universal upper bound given by the order of the group is very far from optimal.

Keywords
Lusternik–Schnirelmann category, topological robotics, equivariant topology
Mathematical Subject Classification
Primary: 55M30
References
Publication
Received: 27 November 2024
Revised: 24 February 2025
Accepted: 18 March 2025
Published: 25 April 2026
Authors
Ben Knudsen
Department of Mathematics
Colorado State University
Fort Collins, CO
United States
Shmuel Weinberger
Department of Mathematics
University of Chicago
Chicago, IL
United States

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