Lucio Cirio

  1. Algebraic deformations of toric varieties I. General constructions.

    Authors: Giovanni Landi, Lucio Cirio, Richard J. Szabo
    Subjects: Quantum Algebra
    Abstract

    We construct and study noncommutative deformations of toric varieties by
    combining techniques from toric geometry, isospectral deformations, and
    noncommutative geometry in braided monoidal categories. Our approach utilizes
    the same fan structure of the variety but deforms the underlying embedded
    algebraic torus. We develop a sheaf theory using techniques from noncommutative
    algebraic geometry. The cases of projective varieties are studied in detail,
    and several explicit examples are worked out, including new noncommutative
    deformations of Grassmann and flag varieties.

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