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math.AG2026
On periods and Jacobians of Heisenberg curves
Dimitrios Noulas
Heisenberg curves are cyclic covers of Fermat curves that also arise as non-abelian covers of the projective line, branched over three points by the discrete Heisenberg group modul…
math.AG2025
An Arithmetic Topology viewpoint on Descent theory and Equivariant Categories
Miltiadis Karakikes, Sotiris Karanikolopoulos, Aristides Kontogeorgis +1
We establish a unified group-theoretic framework bridging the arithmetic homotopy exact sequence of a variety and the Birman exact sequence of a surface. Within this framework, we…