Timeline for The cohomology of a product of sheaves and a plea.
Current License: CC BY-SA 2.5
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 17, 2010 at 17:58 | vote | accept | Georges Elencwajg | ||
| Jun 17, 2010 at 4:08 | history | edited | Torsten Ekedahl | CC BY-SA 2.5 |
Added elaboration
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| Jun 16, 2010 at 19:51 | comment | added | Georges Elencwajg | Dear Torsten, thank you very much for the reference. The article "proves,corrects and extends" results of a note by the author published in 1961 (!), which tends to confirm the feelings I expressed at the end of my question. However because of the numerous cross-references and the general structure of the paper I could not locate a counter-example to the first equality, nor the assertion that the answer is almost always no. Needless to say, that didn't prevent me from upvoting you ! | |
| Jun 16, 2010 at 19:45 | comment | added | Tom Goodwillie | The point is that infinite product of sheaves does not preserve exact sequences, right? | |
| Jun 16, 2010 at 16:49 | comment | added | Allen Knutson | The answer to the last question ("Would you please write a book on the subject?") is almost always no, too! | |
| Jun 16, 2010 at 15:29 | history | answered | Torsten Ekedahl | CC BY-SA 2.5 |