3 papers
math.AG2026
On a conjecture of Fujino and Sato
Michele Rossi
We revisit results of Fujino--Sato on complete non-projective -factorial toric varieties and their conjectural factorization by flips. We show that their main results ad…
math.AG2025
Ãtale coverings in codimension 1 with applications to Mori Dream Spaces
Michele Rossi
The present paper is devoted to developing relations between Galois étale coverings in codimension 1 and étale fundamental groups in codimension 1 of algebraic varieties, aimed t…
math.AG2025
The multiplicity of a Mori Dream Space
Michele Rossi
In this paper we extend the concept of multiplicity from fake weighted projective spaces, as considered by Averkov, Kasprzyk, Lehmann and Nill in 2021, to Mori Dream Spaces, explor…