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Results tagged with category-o
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user 459
Questions related to the Bernstein-Gelfand-Gelfand category O and generalizations
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Serre functor of a subcategory (in particular parabolic category O)
For an additive category $\mathcal C$ there is the notion of a Serre functor on $\mathcal C$, i.e. a an autoequivalence $S$ of $C$ such that there exist isomorphisms
$$Hom(A, S(B)) \cong Hom(B, A)^*$$ …
