On the sphericity of the subgroup PSL 2 (ℝ) in the group of diffeomorphisms of the circle

On the sphericity of the subgroup PSL₂(ℝ) in the group of diffeomorphisms of the circle

Authors: Neretin Y.A.¹^,2^,3
Affiliations:
1. University of Vienna
2. Institute for Theoretical and Experimental Physics
3. M. V. Lomonosov Moscow State University
Issue: Vol 50, No 2 (2016)
Pages: 160-162
Section: Article
URL: https://journals.rcsi.science/0016-2663/article/view/234190
DOI: https://doi.org/10.1007/s10688-016-0143-2
ID: 234190

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It is shown that the group PSL₂(ℝ) is a spherical subgroup in the group of C³-diffeomorphisms of the circle.

University of Vienna; Institute for Theoretical and Experimental Physics; M. V. Lomonosov Moscow State University

Author for correspondence.
Email: neretin@mccme.ru
Austria, Vienna; Moscow; Moscow

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