Skew-Hadamard matrices of orders 188 and 388 exist

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dc.creatorDjokovic, Dragomir Z.
dc.date2007-04-04
dc.date2008-03-26
dc.date.accessioned2026-07-07T12:52:57Z
dc.date.available2026-07-07T12:52:57Z
dc.descriptionWe construct several difference families on cyclic groups of orders 47 and 97, and use them to construct skew-Hadamard matrices of orders 188 and 388. Such difference families and matrices are constructed here for the first time. The matrices are constructed by using the Goethals-Seidel array.
dc.description7 pages, no figures, a paragraph added to the introduction, two misprints corrected. To appear in the International Mathematical Forum
dc.identifierhttps://arxiv.org/abs/0704.0640
dc.identifierhttp://arxiv.org/abs/0704.0640
dc.identifierInternational Mathematical Forum 3 (2008), no. 22, 1063-1068
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/223466
dc.subjectCombinatorics
dc.subject05B20; 05B30
dc.titleSkew-Hadamard matrices of orders 188 and 388 exist
dc.typetext

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