3 papers
math.AG2026
-holomorphic functions with definable real part
Antonio Carbone, Enrico Savi
Let be a real closed field and its algebraic closure. Let be an open and definable set in a fixed o-minimal structure. In this note, we study the relat…
math.AG2026
Algebraic realization of stable Poincaré-Reeb graphs
Enrico Savi
We introduce the notion of domain of finite type generalizing an earlier work of Bodin, Popescu-Pampu and Sorea. Then, we prove that every finite g…
math.AG2024
On the first-order theories of quaternions and octonions
Enrico Savi
Let be the language of rings. We provide an axiomatization of the -theories of quaternions and octonions and characterize their models: they coincide, up to isomorphism, wit…