Timeline for snc singularity is an open condition?
Current License: CC BY-SA 3.0
5 events
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| Feb 11, 2017 at 23:34 | comment | added | Jason Starr | @ZachTeitler. I re-read the question, and I do not know why you say that. The question is whether existence of simple normal crossings singularities of $X_0$ implies that for an open neighborhood of $t\in S$, the fiber $X_t$ also has simple normal crossings singularities. This does not refer to any ambient variety, but an intrinsic property of singularities. | |
| Feb 11, 2017 at 23:00 | comment | added | Zach Teitler | I thought the question wanted X_0 to be SNC in the total space X (not in ambient projective space). | |
| Feb 11, 2017 at 20:40 | vote | accept | Helen | ||
| S Feb 11, 2017 at 18:07 | history | answered | Jason Starr | CC BY-SA 3.0 | |
| S Feb 11, 2017 at 18:07 | history | made wiki | Post Made Community Wiki by Jason Starr |