2 papers
math.AG2026
Characterizing -elliptic stable irreducible curves
Juliana Coelho, Renata Costa
We use admissible covers to characterize irreducible stable curves that are -elliptic, that is, that are limits of smooth curves admiting finite maps of degree- to smooth…
math.AG2023
Cusps in with prescribed ramification
Ethan Cotterill, Nathan Kaplan, Renata Vieira Costa
We study value semigroups associated to germs of maps with fixed ramification profiles in a distinguished point. We then apply our analysis to…