Relative Gorenstein objects in abelian categories

Victor Becerril, Octavio Mendoza, Valente Santiago

Let $\mathcal{A}$ be an abelian category. For a pair $(\mathcal{X},\mathcal{Y}$ of classes of objects in $\mathcal{A},$ we define the weak and the $(\mathcal{X},\mathcal{Y})$-Goren…