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math.GR2020
Subgroups of pro- -groups
Ilaria Castellano, Pavel Zalesskii
We study 3-dimensional Poincaré duality pro- groups in the spirit of the work by Robert Bieri and Jonathan Hillmann, and show that if such a pro- group has a nontrivial f…
math.GR2020
Intrinsic entropy for generalized quasimetric semilattices
Ilaria Castellano, Dikran Dikranjan, Domenico Freni +2
We introduce the notion of intrinsic semilattice entropy in the category of generalized quasimetric semilattices and contractive homomorphisms. By…