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Results tagged with projective-morphisms
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user 54369
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Nonreducedness of schemes and projective morphisms
Let $X, Y$ be irreducible projective schemes over $\mathbb{C}$, $W \subset X \times Y$ a closed irreducible subscheme. Suppose that the natural projection map $pr_2:W \to Y$ is surjective on the under …
- 503
2
votes
1
answer
171
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Non-reducedness of schemes and projective morphisms(revisited)
This is a continuation of a question asked by me previously with some added hypothesis. Let $X, Y$ be irreducible projective schemes over $\mathbb{C}$, $W \subset X \times Y$ a closed irreducible subs …
- 503