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Generalized bent functions – some general construction methods and related necessary and sufficient conditions. (English) Zbl 1343.94064
Summary: In this article we present a broader theoretical framework useful in studying the properties of so-called generalized bent functions. We give the sufficient conditions (and in many cases also necessary) for generalized bent functions when these functions are represented as a linear combination of: generalized bent; Boolean bent; and a mixture of generalized bent and Boolean bent functions. These conditions are relatively easy to satisfy and by varying the variables that specify these linear combinations many different classes of generalized bent functions can be derived. In particular, based on these results, we provide some generic construction methods of these functions and demonstrate that some previous methods are just special cases of the results given in this article.

94C10 Switching theory, application of Boolean algebra; Boolean functions (MSC2010)
94D05 Fuzzy sets and logic (in connection with information, communication, or circuits theory)
Full Text: DOI
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