Timeline for Tannaka duality for Hopf algebroids
Current License: CC BY-SA 4.0
4 events
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| Jan 9 at 19:35 | comment | added | Leo Alonso | I think you'll also need that $H$ is flat over $A$, in which case the category of bimodules is abelian. | |
| Jan 9 at 12:02 | comment | added | Adrien | I don't know if this is useful but: although $bimod(A)$ is not rigid, bimodules which are f.g. and projective as left (resp. right) $A$-modules are left (resp. right) dualizable, and those generate the whole category so you can restrict coends to those, so that the computation you mention should actually go through. | |
| Jan 9 at 11:59 | history | edited | Max Demirdilek | CC BY-SA 4.0 |
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| Jan 9 at 11:49 | history | asked | Max Demirdilek | CC BY-SA 4.0 |