Cotorsion pairs and Enochs Conjecture for object ideals

Dandan Sun, Qikai Wang, Haiyan Zhu

Let $\mathcal{I}$ and $\mathcal{J}$ be object ideals in an exact category $(\mathcal{A};\mathcal{E})$. It is proved that $(\mathcal{I},\mathcal{J})$ is a perfect ideal cotorsion p…