A construction of quotient Ainfinity-categories
Volodymyr Lyubashenko, Sergiy Ovsienko
Abstract
We construct an Ainfinity-category D(C|B) from a given Ainfinity-category C and its full subcategory B. The construction is similar to a particular case of Drinfeld's quotient of differential graded categories. We use D(C|B) to construct an Ainfinity-functor of K-injective resolutions of a complex. The conventional derived category is obtained as the 0-th cohomology of the quotient of differential graded category of complexes over acyclic complexes.
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