Abstract
Let ( C , E , s ) be an extriangulated category with a proper class ξ of E -triangles. In this paper, we study Gorenstein derived functors for extriangulated categories. More precisely, we first introduce the notion of the proper ξ ‐ G projective resolution for an object in C and define the functors ξ xt G P ( ξ ) and ξ xt G I ( ξ ) . Under some assumptions, we give some equivalent characterizations for ξ ‐ G projective and ξ ‐ G injective dimensions of objects in C by vanishing of such functors. As an application, our main results generalize Ren and Liu’s work. Moreover, our proof is not far from the usual module categories or triangulated categories.
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