Further examples of maximal curves

It is shown that the curve yq2−y=xqn+1q+1 over Fq2nFq2n with n≥3n≥3 odd, that generalizes Serre’s curve y4+y=x3y4+y=x3 over F64F64, is also maximal. We also investigate a family of maximal curves over Fq2nFq2n and provide isomorphisms between these curves.