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PROJECTIVE DUALITY OF TORIC MANIFOLDS AND DEFECT POLYTOPES

Published online by Cambridge University Press:  09 June 2006

SANDRA DI ROCCO
SANDRA DI ROCCO
Affiliation:
Department of Mathematics, Royal Institute of Technology, S-10044 Stockholm, Swedendirocco@math.kth.se
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Abstract

Non-singular toric embeddings with dual defect are classified. The associated polytopes, called defect polytopes, are proven to be the class of Delzant integral polytopes for which a combinatorial invariant vanishes. The structure of a defect polytope is described.

Keywords

14M2552B2005A18
Type
Research Article
Information
Proceedings of the London Mathematical Society , Volume 93 , Issue 1 , July 2006 , pp. 85 - 104
Copyright
2006 London Mathematical Society

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Footnotes

The work for this article was carried out at Yale University and at the University of Minnesota.