Dario Spirito

activity

20232026

collaborators

Showing 2026 · math.ACShow all

2 papers · 2 filters

math.AC2026

The reciprocal complement of a surface

Dario Spirito

We study the reciprocal complement $R (D)$ of a two-dimensional finitely generated $K$ -algebra $D$ by linking it with the properties of a surface with coordinate ring $D$ .…

math.AC2026

Groups of invertible ideals of one-dimensional Prüfer domains as groups of integer-valued functions

Dario Spirito

Let $G$ be a one-dimensional $ℓ$ -subgroup of the group $F (X, Z)$ of integer-valued functions on a set $X$ . We show that $G$ is free under some hypothesis on th…