Establishes novel geometric connections for Walsh transforms of quadratic APN functions on n=2k bits, yielding bounds on high-amplitude components and the number of bent components plus CCZ-equivalence conditions.
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On the Walsh spectra of quadratic APN functions
Establishes novel geometric connections for Walsh transforms of quadratic APN functions on n=2k bits, yielding bounds on high-amplitude components and the number of bent components plus CCZ-equivalence conditions.