2 papers
math.AG2026
Bigness of tangent bundles of blow-ups of ruled surfaces
Hosung Kim, Jeong-Seop Kim
We determine when the bigness of the tangent bundle is preserved under point blow-ups of a ruled surface , giving a sharp bound on the number of blow-u…
math.AG2024
Bigness of the tangent bundle of a Fano threefold with Picard number two
Hosung Kim, Jeong-Seop Kim, Yongnam Lee
In this paper, we study the positivity property of the tangent bundle of a Fano threefold with Picard number 2. We determine the bigness of the tangent bundle of the whol…