2 papers
math.AG2026
Generic ordinarity for abelian coverings of the projective line
Régis Blache
We show that abelian coverings of the projective line of order prime to are generically -ordinary in characteristic . The images of the irreducible components of Hurwitz…
cs.IT2025
Ruled surfaces over finite fields, and some codes over them
Régis Blache, Emmanuel Hallouin
In the first part of this article, we consider ruled surfaces defined over a finite field; we introduce invariants for them, and describe some explicit contructions that illustrate…