Timeline for Links between tight closure and deformation theory
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 9, 2020 at 14:44 | comment | added | Takumi Murayama | I also want to point out that the statement "normality deforms" seems to have been first proved by Seydi: see Proposition I.7.4 in "La théorie des anneaux japonais". | |
| Apr 30, 2019 at 4:07 | comment | added | Takumi Murayama | For future readers, the reference for "F-rationality deforms" is Theorem 4.2(h) in Hochster and Huneke's "F-regularity, tight elements, and smooth base change." Note that the hypothesis there is satisfied if the F-rational local ring in question is excellent by [Kawasaki, Corollary 1.2]. | |
| Mar 6, 2017 at 4:46 | comment | added | Mohammad Golshani | @lemiller Yes, I'm interested in it. Thanks in advance. | |
| Feb 27, 2017 at 21:18 | comment | added | lemiller | I learned this from Karl, but it was known at least since Karen's proof linking it to pseudo-rational and probably before that. If you need, I'm happy to drum up a specific reference. | |
| Feb 25, 2017 at 2:23 | history | answered | Neil Epstein | CC BY-SA 3.0 |