We prove the following: (1) the existence, for every integer n ≥ 4, of a noncompact smooth n-dimensional topological manifold whose diffeomorphism group contains an isomorphic copy of every finitely presented group; (2) a finiteness theorem for finite simple subgroups of diffeomorphism groups of compact smooth topological manifolds.
机构:
School of Mathematics and Statistics, Henan University of Science and Technology, Luoyang,471023, ChinaSchool of Mathematics and Statistics, Henan University of Science and Technology, Luoyang,471023, China
Zheng, Huajie
Xu, Yong
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机构:
School of Mathematics and Statistics, Henan University of Science and Technology, Luoyang,471023, ChinaSchool of Mathematics and Statistics, Henan University of Science and Technology, Luoyang,471023, China
Xu, Yong
Italian Journal of Pure and Applied Mathematics,
2024,
(52):
: 47
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58
机构:
Department of Mathematics, University of Science and Technology of ChinaDepartment of Mathematics, University of Science and Technology of China
Wen Bin GUO
Alexander N.SKIBA
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机构:
Department of Mathematics and Technologies of Programming,Francisk Skorina Gomel State UniversityDepartment of Mathematics, University of Science and Technology of China