
doi: 10.5802/aif.1171
A compact complex space X is called complex-symmetric with respect to a subgroup G of the group Aut 0 ( X ) , if each point of X is isolated fixed point of an involutive automorphism of G . It follows that G is almost G 0 -homogeneous. After some examples we classify normal complex-symmetric varieties with G 0 reductive. It turns out that X is a product of a Hermitian symmetric space and a compact torus embedding satisfying some additional conditions. In the smooth case these torus embeddings are classified using the description of torus embeddings by systems of cone (“fans”) and the theory of Coxeter groups.
Complex spaces, Group actions on varieties or schemes (quotients), torus embeddings, fans, spherical varieties, Coxeter groups, Complex Lie groups, group actions on complex spaces, Hermitian symmetric spaces, bounded symmetric domains, Jordan algebras (complex-analytic aspects), almost-homogeneous spaces, Complex spaces with a group of automorphisms, almost-homogeneous varieties, holomorphic involutions, Toric varieties, Newton polyhedra, Okounkov bodies, toric varieties
Complex spaces, Group actions on varieties or schemes (quotients), torus embeddings, fans, spherical varieties, Coxeter groups, Complex Lie groups, group actions on complex spaces, Hermitian symmetric spaces, bounded symmetric domains, Jordan algebras (complex-analytic aspects), almost-homogeneous spaces, Complex spaces with a group of automorphisms, almost-homogeneous varieties, holomorphic involutions, Toric varieties, Newton polyhedra, Okounkov bodies, toric varieties
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