Planar functions and commutative semifields

Lilya Budaghyan, Tor Helleseth

Abstract


This paper gives a short survey on planar functions and commu-
tative semifields and considers a possible extension of CCZ-equivalence which is
the most general known equivalence relation of functions preserving the planar
property.

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DOI: https://doi.org/10.2478/tatra.v45i0.64