An example of a non-Borel locally-connected finite-dimensional topological group

According to a classical theorem of Gleason and Montgomery, every finite-dimensional locally path-connected topological group is a Lie group. In the paper for every $n\ge 2$ we construct a locally connected subgroup $G\subset{\mathbb R}^{n+1}$ of dimension $\dim(G)=n$, which is not locally compact....

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Main Authors: I.Ya. Banakh, T.O. Banakh, M.I. Vovk
Format: Article
Language:English
Published: Vasyl Stefanyk Precarpathian National University 2017-06-01
Series:Karpatsʹkì Matematičnì Publìkacìï
Subjects:
Online Access:https://journals.pnu.edu.ua/index.php/cmp/article/view/1440
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spelling doaj-d5c2106df3f44251bb4ccca1f89b36122020-11-25T03:15:13ZengVasyl Stefanyk Precarpathian National UniversityKarpatsʹkì Matematičnì Publìkacìï2075-98272313-02102017-06-01913510.15330/cmp.9.1.3-51440An example of a non-Borel locally-connected finite-dimensional topological groupI.Ya. Banakh0T.O. Banakh1M.I. Vovk2Pidstryhach Institute for Applied Problems of Mechanics and Mathematics, 3b Naukova str., 79060, Lviv, UkraineIvan Franko Lviv National University, 1 Universytetska str., 79000, Lviv, UkraineLviv Polytechnic National University, 12 Bandera str., 79013, Lviv, UkraineAccording to a classical theorem of Gleason and Montgomery, every finite-dimensional locally path-connected topological group is a Lie group. In the paper for every $n\ge 2$ we construct a locally connected subgroup $G\subset{\mathbb R}^{n+1}$ of dimension $\dim(G)=n$, which is not locally compact. This answers a question posed by S. Maillot on MathOverflow and shows that the local path-connectedness in the result of Gleason and Montgomery can not be weakened to the local connectedness.https://journals.pnu.edu.ua/index.php/cmp/article/view/1440topological grouplie group
collection DOAJ
language English
format Article
sources DOAJ
author I.Ya. Banakh
T.O. Banakh
M.I. Vovk
spellingShingle I.Ya. Banakh
T.O. Banakh
M.I. Vovk
An example of a non-Borel locally-connected finite-dimensional topological group
Karpatsʹkì Matematičnì Publìkacìï
topological group
lie group
author_facet I.Ya. Banakh
T.O. Banakh
M.I. Vovk
author_sort I.Ya. Banakh
title An example of a non-Borel locally-connected finite-dimensional topological group
title_short An example of a non-Borel locally-connected finite-dimensional topological group
title_full An example of a non-Borel locally-connected finite-dimensional topological group
title_fullStr An example of a non-Borel locally-connected finite-dimensional topological group
title_full_unstemmed An example of a non-Borel locally-connected finite-dimensional topological group
title_sort example of a non-borel locally-connected finite-dimensional topological group
publisher Vasyl Stefanyk Precarpathian National University
series Karpatsʹkì Matematičnì Publìkacìï
issn 2075-9827
2313-0210
publishDate 2017-06-01
description According to a classical theorem of Gleason and Montgomery, every finite-dimensional locally path-connected topological group is a Lie group. In the paper for every $n\ge 2$ we construct a locally connected subgroup $G\subset{\mathbb R}^{n+1}$ of dimension $\dim(G)=n$, which is not locally compact. This answers a question posed by S. Maillot on MathOverflow and shows that the local path-connectedness in the result of Gleason and Montgomery can not be weakened to the local connectedness.
topic topological group
lie group
url https://journals.pnu.edu.ua/index.php/cmp/article/view/1440
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