Explicit reduced APN permutations: ramification and optimal Galois-ring lifts

math.NT, cs.CR, cs.IT, math.IT

Submitted: 2026-10-15

Updated: 2026-10-15

Comments: 15 pages. Submitted to Finite Fields and Their Applications. Code, Lean 4 formalization and blueprint: https://doi.org/10.5281/zenodo.23233173 (version 1.0.1; https://github.com/hirokifukui/residue-apn)

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

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