Consecutive-value conjecture for supersingular elliptic curves

For each nZ>0n\in\mathbb{Z}_{>0}, there should exist a prime pp such that, for every integer mm with 1mn1\leq m\leq n, there is a supersingular elliptic curve EE defined over Fp\overline{\mathbb{F}}_p with δE=m\delta_E=m. Consecutive-value conjecture. For each nZ>0n\in\mathbb{Z}_{>0}, there exists a prime pp such that for all 1mn1\leq m\leq n, there is a supersingular elliptic curve EE defined over Fp\overline{\mathbb{F}}_p with δE=m\delta_E=m. The conjecture is verified in the paper for every n48n\leq48 using p=234959p=234959, but no general proof is given.

Sources & referencesView supporting material

Primary source

Yves Aubry, Roger Oyono and Christelle Vincent, “Minimal degree of an isogeny between a supersingular elliptic curve and its conjugate”, arXiv:2607.14624 (2026).

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