AI & Computingarticle2026-09-25

Revisiting fully residually free Demushkin groups

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Abstract

Abstract We establish new examples and non-examples of pro- $$p$$ p limit groups among the class of Demushkin groups, that is, pro- $$p$$ p Poincaré duality groups of dimension $$2$$ 2 .

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View paper (DOI)Open access versionOpenAlexArchiv der MathematikPublished 2026-09-25

Authors: HENRIQUE OHNO DE SOUZA, Pavel Zalesskii

Institutions: University of Manchester, Universidade de Brasília