Series with Commuting Terms in Topologized Semigroups

We show that the following general version of the Riemann–Dirichlet theorem is true: if every rearrangement of a series with pairwise commuting terms in a Hausdorff topologized semigroup converges, then its sum range is a singleton.

Dades bibliogràfiques
Autors principals: Alberto Castejón, Eusebio Corbacho, Vaja Tarieladze
Format: Article
Idioma:English
Publicat: MDPI AG 2021-09-01
Col·lecció:Axioms
Matèries:
Accés en línia:https://www.mdpi.com/2075-1680/10/4/237
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author Alberto Castejón
Eusebio Corbacho
Vaja Tarieladze
author_facet Alberto Castejón
Eusebio Corbacho
Vaja Tarieladze
author_sort Alberto Castejón
collection DOAJ
description We show that the following general version of the Riemann–Dirichlet theorem is true: if every rearrangement of a series with pairwise commuting terms in a Hausdorff topologized semigroup converges, then its sum range is a singleton.
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spelling doaj.art-b51d1b8aa11e4c069a5f1e5b9e6c97c32023-11-23T03:48:48ZengMDPI AGAxioms2075-16802021-09-0110423710.3390/axioms10040237Series with Commuting Terms in Topologized SemigroupsAlberto Castejón0Eusebio Corbacho1Vaja Tarieladze2Departamento de Matemática Aplicada I, University of Vigo, 36310 Vigo, SpainDepartamento de Matemática Aplicada I, University of Vigo, 36310 Vigo, SpainMuskhelishvili Institute of Computational Mathematics, Georgian Technical University, Tbilisi 0159, GeorgiaWe show that the following general version of the Riemann–Dirichlet theorem is true: if every rearrangement of a series with pairwise commuting terms in a Hausdorff topologized semigroup converges, then its sum range is a singleton.https://www.mdpi.com/2075-1680/10/4/237semigroupgrouptopologypermutationconvergence
spellingShingle Alberto Castejón
Eusebio Corbacho
Vaja Tarieladze
Series with Commuting Terms in Topologized Semigroups
Axioms
semigroup
group
topology
permutation
convergence
title Series with Commuting Terms in Topologized Semigroups
title_full Series with Commuting Terms in Topologized Semigroups
title_fullStr Series with Commuting Terms in Topologized Semigroups
title_full_unstemmed Series with Commuting Terms in Topologized Semigroups
title_short Series with Commuting Terms in Topologized Semigroups
title_sort series with commuting terms in topologized semigroups
topic semigroup
group
topology
permutation
convergence
url https://www.mdpi.com/2075-1680/10/4/237
work_keys_str_mv AT albertocastejon serieswithcommutingtermsintopologizedsemigroups
AT eusebiocorbacho serieswithcommutingtermsintopologizedsemigroups
AT vajatarieladze serieswithcommutingtermsintopologizedsemigroups