Timeline for What is the insight of Quillen's proof that all projective modules over a polynomial ring are free?
Current License: CC BY-SA 3.0
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| S Jan 13, 2016 at 9:18 | history | suggested | Arrow | CC BY-SA 3.0 |
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| Jan 13, 2016 at 9:08 | review | Suggested edits | |||
| S Jan 13, 2016 at 9:18 | |||||
| Mar 28, 2010 at 8:41 | comment | added | Wilberd van der Kallen | That's right. And when you look how he proves that, you see that he observes it suffices to consider covers of the spectrum of a ring with just two standard open sets. This elementary observation came as a shock. | |
| Mar 28, 2010 at 8:12 | history | edited | lieven lebruyn | CC BY-SA 2.5 |
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| Mar 28, 2010 at 8:07 | history | answered | lieven lebruyn | CC BY-SA 2.5 |