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Trudy Matematicheskogo Instituta imeni V.A. Steklova, 2024, Volume 326, Pages 5–14
DOI: https://doi.org/10.4213/tm4412
(Mi tm4412)
 

On actions of tori and quaternionic tori on products of spheres

A. A. Ayzenberga, D. V. Gugninbc

a International Laboratory of Algebraic Topology and its Applications, Faculty of Computer Science, National Research University Higher School of Economics, Moscow
b Steklov Mathematical Institute of Russian Academy of Sciences, Moscow
c Lomonosov Moscow State University, Faculty of Mechanics and Mathematics
Abstract: In this paper we study the actions of tori (standard compact tori, as well as their quaternionic analogues) on products of spheres. It is proved that the orbit space of a specific action of a torus on a product of spheres is homeomorphic to a sphere. A similar statement for a real torus $\mathbb{Z}_2^n$ was proved by the second author in 2019. We also provide a statement about arbitrary compact topological groups, generalizing all the mentioned results, as well as results of the first author about the actions of a compact torus of complexity one. Sections 1 and 2 are written by D.Gugnin, Section 3 is written by A.Ayzenberg.
Keywords: torus action, quaternions, orbit spaces.
Funding agency Grant number
Russian Science Foundation 23-11-00143
Mirror Laboratories
The work of D.V. Gugnin was supported by the Russian Science Foundation under grant no. 23-11-00143, https://rscf.ru/en/project/23-11-00143/, and performed at Steklov Mathematical Institute of Russian Academy of Sciences. The work of A.A.Ayzenberg was prepared within the framework of the project "Mirror Laboratories" HSE University, RF.
Received: September 29, 2023
Revised: April 30, 2024
Accepted: May 23, 2024
Document Type: Article
Language: Russian
Citation: A. A. Ayzenberg, D. V. Gugnin, “On actions of tori and quaternionic tori on products of spheres”, Topology, Geometry, Combinatorics, and Mathematical Physics, Collected papers. Dedicated to Victor Matveevich Buchstaber on the occasion of his 80th birthday, Trudy Mat. Inst. Steklova, 326, Steklov Math. Inst., Moscow, 2024, 5–14
Citation in format AMSBIB
\Bibitem{AyzGug24}
\by A.~A.~Ayzenberg, D.~V.~Gugnin
\paper On actions of tori and quaternionic tori on products of spheres
\inbook Topology, Geometry, Combinatorics, and Mathematical Physics
\bookinfo Collected papers. Dedicated to Victor Matveevich Buchstaber on the occasion of his 80th birthday
\serial Trudy Mat. Inst. Steklova
\yr 2024
\vol 326
\pages 5--14
\publ Steklov Math. Inst.
\publaddr Moscow
\mathnet{http://mi.mathnet.ru/tm4412}
\crossref{https://doi.org/10.4213/tm4412}
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    Труды Математического института имени В. А. Стеклова Proceedings of the Steklov Institute of Mathematics
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