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Results tagged with flatness
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user 1649
6
votes
Accepted
Exactness of an additive left Kan extension
In fact, here we run into the difficulty that these categories do not in general possess finite limits, so we have to go back to the definition of flatness to prove this "dual" result. …
- 2,241
18
votes
Does projective imply flat?
The paper:
When projective does not imply flat, and other homological anomalies, Theory and Applications of Categories, Vol 5, pp. 202-250, 1999, available here
by Gaunce Lewis shows that this behav …
- 2,241