Quasihomogeneous (C*)k × SL2(C)-varieties containing a finite number of orbits
E. V. Sharoyko
math.RTarXiv:math/0610169
Abstract
Let G:= (C*)k× SL2(C) act linearly on a vector space or its projectivisation. We obtain an effective criterion to detect whether a number of orbits in an orbit-closure is finite or not.
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