Examples of singular toric varieties with certain numerical conditions

Published 31 Jul 2018 in math.AG | (1807.11747v2)

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.

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