Derived invariance of Hochschild-Mitchell (co)homology and one-point extensions
نویسنده
چکیده
In this article we prove derived invariance of Hochschild-Mitchell homology and cohomology and we extend to k-linear categories a result by Barot and Lenzing concerning derived equivalences and one-point extensions. We also prove the existence of a long exact sequence à la Happel and we give a generalization of this result which provides an alternative approach. 2000 Mathematics Subject Classification : 16E40, 18E05, 18E30, 16D90.
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تاریخ انتشار 2006