Аннотация:
Torus manifolds are topological generalization of smooth projective toric manifolds. We compute the rational cohomology ring of a class of locally standard torus manifolds whose orbit space may have proper non-acyclic faces. References: 15 entries.
Ключевые слова и фразы:polytopes, torus action, torus manifold, (equivariant) connected sum, homology groups, cohomology ring.