Abstract
We construct relative abelian categories in the sense of MacLane for models of algebraic systems in (co)complete abelian categories. As an example, we consider an analogue of Hochschild-Mitchell cohomology for the functor of Yoneda embedding.
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Pol’shin, S. Relative Cohomology of Algebraic Theories. Appl Categor Struct 25, 447–453 (2017). https://doi.org/10.1007/s10485-016-9466-7
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DOI: https://doi.org/10.1007/s10485-016-9466-7