Blaschke-Santal\'o type inequalities and quermassintegral inequalities in space forms
Abstract
In this paper, we prove a family of identities for closed and strictly convex hypersurfaces in the sphere and hyperbolic/de Sitter space. As applications, we prove Blaschke-Santal\'o type inequalities in the sphere and hyperbolic/de Sitter space, which generalizes the previous work of Gao, Hug and Schneider GHS03. We also prove the quermassintegral inequalities in hyperbolic/de Sitter space.
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