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• CommentRowNumber1.
• CommentAuthorzskoda
• CommentTimeAug 31st 2011

I addede a paragraph at Poincaré duality about the generalizations, and created the entry (so far only descent bibliography) Grothendieck duality; the list of examples expanded at duality. All prompted by seeing the today’s arXiv article of Drinfel’d and Boyarchenko.

• CommentRowNumber2.
• CommentAuthorhilbertthm90
• CommentTimeSep 1st 2011

I just threw in a statement at Grothendieck duality, because I found looking at 12 references a little daunting.

• CommentRowNumber3.
• CommentAuthorTobyBartels
• CommentTimeSep 1st 2011

Is a “functorial isomorphism” the same thing as a natural isomorphism?

• CommentRowNumber4.
• CommentAuthorUrs
• CommentTimeSep 1st 2011

Thanks!

I have added redirects so that the pointers to

work. I also took the liberty of changing “functorial isomorphism” to natural isomorphism, as Toby suggested.

• CommentRowNumber5.
• CommentAuthorhilbertthm90
• CommentTimeSep 1st 2011

Yes. Sorry, I just glanced at one of the sources and for some reason it used that term.

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