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New invariants for rank metric codes, with applications t...
Jack Gilchrist, Stefano Lia, Arani Paul, John Sheekey · 2026-05-22 · via math updates on arXiv.org

In this paper we completely classify semifields of order $2^8=256$ containing a nucleus of order $2^4=16$. We introduce new invariants for semifields, and apply new computational techniques for calculating old invariants. Together these make the computational classification significantly quicker.