New Hadamard matrix of order 24

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 1989 English Publisher:Springer Science and Business Media LLCJournal:Graphs and Combinatorics, volume 5, pages 235-242 (issn: 0911-0119, eissn: 1435-5914,

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Authors: Hiroshi Kimura;

doi: 10.1007/bf01788676

New Hadamard matrix of order 24

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Abstract

This paper completes the \textit{N. Ito, J. S. Leon} and \textit{J. Q. Longyear}, ``Classification of 3-(24,12,5) designs and 24-dimensional Hadamard matrices'', J. Comb. Theory, Ser. A 31, 66-93 (1981; Zbl 0477.05019). It was previously thought there were 59 inequivalence classes of Hadamard matrices of order 24. The present author's work shows that there are exactly 60 inequivalence classes for Hadamard matrices of order 24.

Related Organizations

Ehime University
Japan

Keywords

inequivalent Hadamard matrices, Combinatorial aspects of matrices (incidence, Hadamard, etc.)

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