Finite-rank conjecture for profinite groups with finite-rank centralizers

From papers

Let GG be a profinite group in which the centralizer of every nontrivial element has finite rank. Suppose that GG is not a pro-pp group.

Finite-rank conjecture. Then GG has finite rank.

This conjecture extends the preceding result for profinite groups whose nontrivial-element centralizers are virtually procyclic. It asks whether the same finite-rank conclusion remains valid under the weaker assumption that all such centralizers merely have finite rank.

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Sources & referencesView supporting material

Primary source

Pavel Shumyatsky and Pavel Zalesskii, “Profinite groups in which centralizers are virtually procyclic”, arXiv:1910.04838 (2019).

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