3 papers
math.NT2026
Counting subalgebras of
Aaron Blas Pereda, Diego Sulca
Let be a compact discrete valuation ring and . We introduce a method to study the cotype zeta function of subalgebras of . This multivariabl…
math.AC2024
Purely Inseparable ring extensions
Celia del Buey de Andrés, Diego Sulca
We revisit the concept of special algebras, also known as \textit{purely inseparable ring extensions}. This concept extends the notion of purely inseparable field extensions to the…
math.AG2021
Multiplicity along points of a radicial covering of a regular variety
Diego Sulca, Orlando E. U. Villamayor
We study the maximal multiplicity locus of a variety over a field of characteristic that is provided with a finite surjective radical morphism , where $…