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      Quantum cohomology of a Pfaffian Calabi-Yau variety: verifying mirror symmetry predictions

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          Abstract

          We formulate a generalization of Givental-Kim's quantum hyperplane principle. This is applied to compute the quantum cohomology of a Calabi-Yau 3-fold defined as the rank 4 locus of a general skew-symmetric 7x7 matrix with coeffisients in P^6. The computation verifies the mirror symmetry predictions of R\o dland in math.AG/9801092.

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          Author and article information

          Journal
          18 June 1999
          2000-04-11
          Article
          math/9906119
          b32142d1-9f69-47e4-bd41-08d4d0c49053
          History
          Custom metadata
          10 pages. Minor modifications and references added. To appear in Compositio Mathematica
          math.AG

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