A Study of quasi-Gorenstein rings II: Deformation of quasi-Gorenstein property

Kazuma Shimomoto, Naoki Taniguchi, Ehsan Tavanfar

In the present article, we investigate the following deformation problem. Let $(R,\mathfrak{m})$ be a local (graded local) Noetherian ring with a (homogeneous) regular element $y \i…