S. Hernández

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20102022

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math.GR2022

On closed subgroups of precompact groups

Salvador Hernández, Dieter Remus, F. Javier Trigos-Arrieta

It is a Theorem of W.~ W. Comfort and K.~ A. Ross that if $G$ is a subgroup of a compact Abelian group, and $S$ denotes those continuous homomorphisms from $G$ to the one-dimension…

math.GR2018

On the structure of abelian profinite groups

María V. Ferrer, Salvador Hernández

A subgroup $G$ of a product $i \in N \prod G_{i}$ is \emph{rectangular} if there are subgroups $H_{i}$ of $G_{i}$ such that $G = i \in N \prod H_{i}$ . We say th…