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Part of higher category theory that for instance in Algebraic Topology enables us to capture finer homotopic distinctions. As in say Eilenberg-Maclane spaces.

3 votes

DG categories - pre-triangulated versus small limits

At least one direction of the question is answered by the paper Giovanni Faonte, Simplicial nerve of an A-infinity category, arXiv:1312.2127. See section 4.2, where he proves that for a pre-triang …
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21 votes

Stable infinity categories vs dg-categories

See the recent paper Lee Cohn, Differential graded categories are k-linear stable infinity categories, arXiv:1308.2587 where a proof has been written down. The precise statement is that the under …
AAK's user avatar
  • 5,901
16 votes

DG categories in algebraic geometry - guide to the literature?

There are plenty of interesting dg-categories one can associate to a scheme. From the point of view of six functor yoga, these should be viewed as "categories of coefficients" for cohomology theories …
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5 votes

When are homotopy categories of model categories closed modules over the homotopy category o...

I am not sure if this will answer your question, but it may at least point you in the right direction (or at least some direction). Let me start with some classical background. Let $C$ be a category …
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