Timeline for Bertini-type theorem for reducible schemes
Current License: CC BY-SA 4.0
5 events
when toggle format | what | by | license | comment | |
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May 17, 2018 at 7:46 | vote | accept | Jana | ||
May 17, 2018 at 2:37 | comment | added | Zach Teitler | I think your $S_d$ is the dual variety of, not $X \subset \mathbb{P}^n$, but rather the degree $d$ Veronese re-embedding $\nu_d(X) \subset \mathbb{P}^N$, $N = \binom{n+d}{n}-1$. | |
May 17, 2018 at 1:42 | answer | added | Puzzled | timeline score: 1 | |
May 16, 2018 at 19:35 | comment | added | Mohan | You do not understand correctly. Even for irreducible varieties, $S_d$ may not be irreducible. For a simple example, take a nodal curve in the plane and $d=1$. | |
May 16, 2018 at 17:25 | history | asked | Jana | CC BY-SA 4.0 |