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An algorithm for computing a sequence of Richelot isogenies

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We show that computation of a sequence of Richelot isogenies from specified supersingular Jacobians of genus-2 curves over F_(p) can be executed in F_{p^2} or F_{p^4}. Based on this, we describe a practical algorithm for computing a Richelot isogeny sequence.

Abstract

We show that computation of a sequence of Richelot isogenies from specified supersingular Jacobians of genus-2 curves over F_(p) can be executed in F_{p^2} or F_{p^4}. Based on this, we describe a practical algorithm for computing a Richelot isogeny sequence.

참고문헌 (16)

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