Ammar Eltigani

collaborators

2 papers

math.AC2023

Controlling Formal Fibers of Countably Many Principal Prime Ideals

David Baron, Ammar Eltigani, S. Loepp +2

Let $T$ be a complete local (Noetherian) ring. For each $i \in N$ , let $C_{i}$ be a nonempty countable set of nonmaximal pairwise incomparable prime ideals of $T$ , and suppo…

math.AC2023

Completions of Quasi-excellent Domains

David Baron, Ammar Eltigani, S. Loepp +2

Let $T$ be a complete local (Noetherian) ring of characteristic zero. We find necessary and sufficient conditions for $T$ to be the completion of a quasi-excellent local domain. In…