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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.

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Is the unbounded derived $\infty$-category of a general abelian category stable?

Thanks to Victor Saunier for pointing out a mistake in an earlier edit of this post. Let $K(A) := N_{dg}(Ch(A))$, with $A$ a small category. In the Münster video series, around minute 20, it is shown …
David Wiedemann's user avatar