Russian Federation
Russian Federation
UDC 512
UDC 512.54
Discrete symmetry groups of motions of the elliptic, hyperbolic and Euclidean lines are described. Orbifolds on these lines, obtained by factorization by the corresponding discrete group, are considered. Orbifolds in the form of segments and circles can be used in Kaluza-Klein models and superstring theory for compactification of extra dimensions.
orbifolds, discrete groups, Cayley-Klein spaces
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