Timeline for A criterion for purity
Current License: CC BY-SA 3.0
13 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 15, 2019 at 12:02 | comment | added | Earthliŋ | This is a cross-post of math.stackexchange.com/q/2099967/33855 | |
| Jan 24, 2017 at 10:59 | vote | accept | Anoop singh | ||
| Feb 20, 2017 at 11:51 | |||||
| Jan 24, 2017 at 10:59 | vote | accept | Anoop singh | ||
| Jan 24, 2017 at 10:59 | |||||
| Jan 23, 2017 at 5:19 | comment | added | Anoop singh | @JasonStarr ,@Mohan How do we relate torsion free sheaf and pure sheaf? Pure sheaf implies torsion free sheaf. What is the proof of this statement? | |
| S Jan 21, 2017 at 7:26 | history | suggested | Martin Sleziak | CC BY-SA 3.0 |
added Google Books link
|
| Jan 21, 2017 at 6:18 | review | Suggested edits | |||
| S Jan 21, 2017 at 7:26 | |||||
| S Jan 21, 2017 at 4:17 | history | suggested | Konstantinos Kanakoglou | CC BY-SA 3.0 |
tex delimiters added and improvement in format
|
| Jan 21, 2017 at 3:53 | review | Suggested edits | |||
| S Jan 21, 2017 at 4:17 | |||||
| Jan 20, 2017 at 11:17 | comment | added | Mohan | For (1), assume that all associated primes of $E$ have the same dimension $d$, then $\dim E=d$. If $0\neq F\subset E$, then on the one hand, we have $\dim F\leq d$. But the associated primes of $F$ are also associated primes of $E$ and thus we have $\dim F\geq d$. | |
| Jan 20, 2017 at 10:39 | comment | added | Anoop singh | @JasonStarr The definition for pure is as follows: $E $ is pure of dimension d if $dim(F) = d$ for all non-trivial coherent subsheaves $F \subset E$ | |
| Jan 20, 2017 at 8:52 | comment | added | Jason Starr | I thought that was the definition of "pure". What is the definition of pure in Huybrechts and Lehn? Also, please be advised that there is at least one other definition of pure in local commutative algebra: the definition that is used in SGA 2. | |
| Jan 20, 2017 at 5:44 | review | First posts | |||
| Jan 20, 2017 at 5:46 | |||||
| Jan 20, 2017 at 5:41 | history | asked | Anoop singh | CC BY-SA 3.0 |