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    • Curves of genus 2 with (n, n)--decomposable Jacobians 

      Shaska, Tony (Journal of Symbolic Computation, 2001-05)
      Let C be a curve of genus 2 and ψ1: C − → E 1 a map of degree n, from C to an elliptic curveE1 , both curves defined over C. This map induces a degree n map φ1:P1 − → P 1 which we call a Frey–Kani covering. We determine ...