Abstract
We provide explicit formulae for realising the group law in Jacobians of superelliptic curves of genus 3 and C 3,4 curves. It is shown that two distinct elements in the Jacobian of a C 3,4 curve can be added with 150 multiplications and 2 inversions in the field of definition of the curve, while an element can be doubled with 174 multiplications and 2 inversions. In superelliptic curves, 10 multiplications are saved.
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Basiri, A., Enge, A., Faugère, JC., Gürel, N. (2004). Implementing the Arithmetic of C 3,4 Curves. In: Buell, D. (eds) Algorithmic Number Theory. ANTS 2004. Lecture Notes in Computer Science, vol 3076. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-24847-7_6
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DOI: https://doi.org/10.1007/978-3-540-24847-7_6
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