Reductions of non-lc ideals and non $F$-pure ideals assuming weak ordinarity

Axel Stäbler

Assume $X$ is a variety over $\mathbb{C}$, $A\subseteq \mathbb{C}$ is a finitely generated $\mathbb{Z}$-algebra and $X_A$ a model of $X$ (i.e. $X_A{\times }_A\mathbb{C}\cong X$).…