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dc.contributor.authorDavidova, Diana
dc.contributor.authorBudaghyan, Lilya
dc.contributor.authorCarlet, Claude Michael
dc.contributor.authorHelleseth, Tor
dc.contributor.authorIhringer, Ferdinand
dc.contributor.authorPenttila, Tim
dc.date.accessioned2022-03-28T12:23:59Z
dc.date.available2022-03-28T12:23:59Z
dc.date.created2021-09-21T16:52:38Z
dc.date.issued2021
dc.identifier.issn1071-5797
dc.identifier.urihttps://hdl.handle.net/11250/2988034
dc.description.abstractBoolean functions, and bent functions in particular, are considered up to so-called EA-equivalence, which is the most general known equivalence relation preserving bentness of functions. However, for a special type of bent functions, so-called Niho bent functions there is a more general equivalence relation called o-equivalence which is induced from the equivalence of o-polynomials. In the present work we study, for a given o-polynomial, a general construction which provides all possible o-equivalent Niho bent functions, and we considerably simplify it to a form which excludes EA-equivalent cases. That is, we identify all cases which can potentially lead to pairwise EA-inequivalent Niho bent functions derived from o-equivalence of any given Niho bent function. Furthermore, we determine all pairwise EA-inequivalent Niho bent functions arising from all known o-polynomials via o-equivalence.en_US
dc.language.isoengen_US
dc.publisherElsevieren_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.titleRelation between o-equivalence and EA-equivalence for Niho bent functionsen_US
dc.typeJournal articleen_US
dc.typePeer revieweden_US
dc.description.versionpublishedVersionen_US
dc.rights.holderCopyright 2021 The Author(s)en_US
dc.source.articlenumber101834en_US
cristin.ispublishedtrue
cristin.fulltextpreprint
cristin.qualitycode1
dc.identifier.doi10.1016/j.ffa.2021.101834
dc.identifier.cristin1936756
dc.source.journalFinite Fields and Their Applicationsen_US
dc.relation.projectNorges forskningsråd: 247742en_US
dc.identifier.citationFinite Fields and Their Applications. 2021, 72, 101834en_US
dc.source.volume72en_US


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