Timeline for Is an algebraic bijection from a projective variety to itself necessarily an isomorphism?
Current License: CC BY-SA 2.5
5 events
| when toggle format | what | by | license | comment | |
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| Mar 2, 2010 at 16:03 | vote | accept | Peter Tingley | ||
| Mar 2, 2010 at 12:22 | comment | added | Mariano Suárez-Álvarez | Ah. What I actually had in mind was the statement that a bijective regular morphism $X\to Y$ between irreducible varieties in characteristic zero is biregular if $Y$ is smooth, and I had forgotten about the smoothness hypothesis. | |
| Mar 2, 2010 at 2:29 | history | edited | Pavel Etingof | CC BY-SA 2.5 |
added 64 characters in body; added 69 characters in body
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| Mar 2, 2010 at 0:15 | comment | added | Bjorn Poonen | To avoid confusion, I suggest writing out the correct version of "Mariano's statement" (I am sure he meant to say that the two varieties are the same). | |
| Mar 1, 2010 at 23:27 | history | answered | Pavel Etingof | CC BY-SA 2.5 |