## 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^ × S^1^). We give an expression for the bracket of vector fields on this group. With the trigonometric functions sin an
✦ LIBER ✦
Spherical functions of the Lorentz group on the two dimensional complex sphere of zero radius
✍ Scribed by M. Huszár
- Publisher
- Springer
- Year
- 1971
- Tongue
- English
- Weight
- 240 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0010-3616
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