2 papers
math.AG2004
A family of Prym-Tyurin varieties of exponent 3
H. Lange, S. Recillas, A. M. Rojas
We investigate a family of correspondences associated to étale coverings of degree 3 of hyperelliptic curves. They lead to Prym-Tyurin varieties of exponent 3. We identify these va…
math.AG2003
Group actions on Jacobian varieties
Anita M. Rojas
Consider a finite group acting on a Riemann surface , and the associated branched Galois cover . We introduce the concept of geometric signature for the act…