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Results tagged with derived-categories
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user 9669
For questions about the derived categories of various abelian categories and questions regarding the derived category construction itself.
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Intuition about the triangulation of a homotopy category K(A)
One possible motivation for considering the triangles in 1. is that they induce long exact sequences
$\cdots \rightarrow Hom_K(Z,C_f[-1]) \rightarrow Hom_K(Z,X) \rightarrow Hom_K(Z,Y)\rightarrow Hom_K …
- 191