Preprint A400/2005
On unramified coverings of maximal curves

Fernando Torres | Garcia, Arnaldo

**Keywords: **
curves | finite fields | rational points | unramified coverings | maximal curves

We investigate unramified coverings of algebraic curves over finite fields, specially when both curves are maximal curves
( maximal curves are curves attaining the so-called Hasse-Weil upper bound ).The curves considered in the examples are subcovers of the Hermitian curve.