5 problems
Matching
Openness conjecture. The set is open in .
Closedness conjecture. In the situation of Corollary 44, the set is always closed in ; equivalently, the set
Generic invariance conjecture. The geometric generic fiber is of Fano type.
Let be a smooth projective morphism with connected fibres between two quasi-projective manifolds. Assume that is pseudo-effective for general , and tha…
Let be a smooth morphism from a smooth affine threefold onto a smooth affine curve , and suppose that every closed fiber has an -fibration of…