Timeline for Is the homogeneous coordinate ring of a flag variety a UFD?
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when toggle format | what | by | license | comment | |
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Jun 23, 2022 at 20:59 | comment | added | andrewBee | For type A, see Fulton's Young Tableaux, Chapter 9. | |
Jun 23, 2022 at 16:28 | comment | added | abx | No, except for \emph{minimal} flag varieties (e.g. Grassmannians): as soon as $\operatorname{rk}\operatorname{Pic}(V)>1 $, the homogeneous coordinate ring of $V$ is not a UFD. See Hartshorne, exer. II.6.3.c). | |
Jun 23, 2022 at 16:04 | history | asked | F.H.A | CC BY-SA 4.0 |