Combinatorics and quotients of toric varieties

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


For linear projections of polytopes and fans of cones we introduce some new objects such as: virtual chambers, virtual cones and (locally) coherent costrings. Virtual chambers (cones) generalize real chambers (cones), while (locally) coherent costrings are linear dual to (locally) coherent strings. We establish various correspondences for these objects and their connections to toric geometry.

Original languageEnglish (US)
Pages (from-to)151-174
Number of pages24
JournalDiscrete and Computational Geometry
Issue number2
StatePublished - Sep 2002

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Geometry and Topology
  • Discrete Mathematics and Combinatorics
  • Computational Theory and Mathematics


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