Year: 2025
Type: article
Abstract: Given a discrete (resp. profinite) group G, we define $$\textrm{NCC}(G)$$ NCC ( G ) to be the smallest number of cyclic (resp. procyclic) subgroups of G whose conjugates cover G. In this paper we determine all residually finite discrete groups with finite NCC and give an almost complete characterization of profinite groups with finite NCC.
Source: Mathematische Annalen
Authors: Yiftach Barnea, Rachel Camina, Mikhail Ershov, Mark L. Lewis
Language: English
Topic: Finite Group Theory Research
Subfield: Discrete Mathematics and Combinatorics
Field: Mathematics
Domain: Physical Sciences
Open Access status: hybrid
Estimated APC paid: $3,190
Funder: London Mathematical Society
OpenAlex ID: W4409277103
