$\mathrm{cl}$-prereductions, $\mathrm{i}$-postexpansions, and related structures

Sarah Poiani, Janet Vassilev

Expanding on the work of Kemp, Ratliff and Shah, for any closure $\mathrm{cl}$ defined on a class of modules over a Noetherian ring, we develop the theory of $\mathrm{cl}$-prereductions…