All Questions
Tagged with projective-morphisms algebraic-surfaces
1 question
0
votes
1
answer
323
views
Morphisms contracting a family of curves
Let $f:X\rightarrow Y$ be a morphism of normal projective varieties. Let $S\subseteq X$ be a surface admitting a morphism $g:S\rightarrow C$ to a curve $C$ such that any fiber of $g$ is a curve.
...