2 papers
math.AG2025
An obstruction to the local lifting problem
Aristides Kontogeorgis, Alexios Terezakis
We are investigating the lifting problem for local actions involving semidirect products of a cyclic -group with a cyclic group prime to , where represents the characteri…
math.AG2025
The canonical ideal and the deformation theory of curves with automorphisms
Aristides Kontogeorgis, Alexios Terezakis
The deformation theory of curves is studied by using the canonical ideal. The problem of lifting curves with automorphisms is reduced to a lifting problem of linear representations…