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Classification and construction of quaternary self-dual bent functions. (English) Zbl 1412.94257
Summary: Quaternary self-dual bent functions are studied from the viewpoints of existence, construction, and symmetry. A search algorithm is described to classify their orbits under the orthogonal group in low dimensions. A connection with self-dual bent Boolean functions shows that they do not exist in odd number of variables.

##### MSC:
 94C10 Switching theory, application of Boolean algebra; Boolean functions (MSC2010) 06E30 Boolean functions
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##### References:
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