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Inequivalent Hadamard matrices from near normal sequences

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dc.contributor.author Kotsireas, IS en
dc.contributor.author Koukouvinos, C en
dc.contributor.author Simos, DE en
dc.date.accessioned 2014-03-01T01:59:44Z
dc.date.available 2014-03-01T01:59:44Z
dc.date.issued 2010 en
dc.identifier.issn 08353026 en
dc.identifier.uri http://hdl.handle.net/123456789/29026
dc.relation.uri http://www.scopus.com/inward/record.url?eid=2-s2.0-78651567379&partnerID=40&md5=5f9fa4b7bec0f44c2dc5d1781728dbd6 en
dc.subject Autocorrelation function en
dc.subject Base sequences en
dc.subject Classification en
dc.subject Hadamard matrices en
dc.subject Near normal sequences en
dc.subject T-matrices en
dc.subject T-sequences en
dc.subject Yang multiplication methods en
dc.subject.other Autocorrelation functions en
dc.subject.other Base sequences en
dc.subject.other Classification en
dc.subject.other Hadamard matrices en
dc.subject.other Normal sequences en
dc.subject.other T-matrices en
dc.subject.other T-sequences en
dc.subject.other Yang multiplication methods en
dc.subject.other Autocorrelation en
dc.subject.other Regression analysis en
dc.subject.other Classification (of information) en
dc.title Inequivalent Hadamard matrices from near normal sequences en
heal.type journalArticle en
heal.publicationDate 2010 en
heal.abstract In this paper, we construct inequivalent Hadamard matrices based on Yang multiplication methods for base sequences which are obtained from near normal sequences. This has been achieved byemploying various Unix tools and sophisticated techniques, such as metaprogramming. In addition, we present a classification for near normal sequences of length An + 1, for n ≤ 11 and some of these for n = 12, 13, 14 and 15, taking into account previously known results. Finally, we improve several constructive lower bounds for inequivalent Hadamard matrices of large orders. en
heal.journalName Journal of Combinatorial Mathematics and Combinatorial Computing en
dc.identifier.volume 75 en
dc.identifier.spage 105 en
dc.identifier.epage 115 en


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