A Möbius function is defined on the poset of element centers, producing new results about centralizers in p-groups.
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math.GR 2years
2025 2verdicts
UNVERDICTED 2representative citing papers
Finite groups are covered by their maximal centralizers and by their minimal centralizers; nonabelian p-groups that are F-groups have a number of distinct nontrivial centralizers congruent to 1 modulo p.
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A M\"obius function on the centralizer lattice
A Möbius function is defined on the poset of element centers, producing new results about centralizers in p-groups.
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Covering by Centralizers
Finite groups are covered by their maximal centralizers and by their minimal centralizers; nonabelian p-groups that are F-groups have a number of distinct nontrivial centralizers congruent to 1 modulo p.