EXAMPLES OF SINGULAR TORIC VARIETIES WITH CERTAIN NUMERICAL CONDITIONS

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Abstract

We give various examples of Q-factorial projective toric varieties such that the sum of the squared torus invariant prime divisors is positive. We also determine the generators for the cone of effective 2-cycles on a toric variety of Picard number two. This result is convenient to explain our examples.

Journal

  • Osaka Journal of Mathematics

    Osaka Journal of Mathematics 57 (1), 51-59, 2020-01

    Osaka University and Osaka City University, Departments of Mathematics

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