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4h
revised When the fibers of a flat morphism are varieties.
added 4 characters in body
5h
revised When the fibers of a flat morphism are varieties.
added 11 characters in body
5h
revised Number of fibrations over a curve.
added 63 characters in body
5h
comment Number of fibrations over a curve.
Yes,many thanks. I have edited.
5h
asked When the fibers of a flat morphism are varieties.
Oct
22
accepted Analytically isomorphic fibers.
Oct
22
accepted $(-1)$-curves and base change along a field automorphism.
Oct
19
comment Number of fibrations over a curve.
yes also singular fibers
Oct
19
comment Number of fibrations over a curve.
Up to isomorphism of surfaces.
Oct
19
asked Number of fibrations over a curve.
Oct
18
comment $(-1)$-curves and base change along a field automorphism.
Yes, intuitively this sounds very reasonable. However do you know any reference showing that intersection multiplicities are invariant for base change?
Oct
17
comment $(-1)$-curves and base change along a field automorphism.
Why do you say that the intersection product will be preserved for $C. D$? I don't see it. However many thanks for dedicating your time to my question.
Oct
17
revised $(-1)$-curves and base change along a field automorphism.
added 54 characters in body; edited tags; edited title
Oct
17
revised $(-1)$-curves and base change along a field automorphism.
added 11 characters in body
Oct
17
revised $(-1)$-curves and base change along a field automorphism.
edited body
Oct
17
revised $(-1)$-curves and base change along a field automorphism.
edited body
Oct
17
revised $(-1)$-curves and base change along a field automorphism.
added 16 characters in body
Oct
17
asked $(-1)$-curves and base change along a field automorphism.
Oct
16
comment Analytically isomorphic fibers.
Do you think the statement is false even if the singularities are only nodes?
Oct
15
asked Analytically isomorphic fibers.