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Two-dimensional metrics admitting precisely one projective vector field

✍ Scribed by Vladimir S. Matveev


Publisher
Springer
Year
2011
Tongue
English
Weight
515 KB
Volume
352
Category
Article
ISSN
0025-5831

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## Abstract After summarizing some results on the group of diffeomorphisms of the circle Diff(S^1^), we consider the group of diffeomorphisms of the two dimensional torus Diff(S^1^ Γ— S^1^). We give an expression for the bracket of vector fields on this group. With the trigonometric functions sin an