A Hadamard matrix of order 268

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 1985 English Publisher:Springer Science and Business Media LLCJournal:Graphs and Combinatorics, volume 1, pages 185-187 (issn: 0911-0119, eissn: 1435-5914,

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Authors: Kazue Sawade;

doi: 10.1007/bf02582942

A Hadamard matrix of order 268

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Abstract

The existence of Hadamard matrices of order 268 is established. More generally, suppose that there exist Williamson matrices of order r. It is shown that this implies the existence of a Hadamard matrix of order 268r. The existence of Baumert-Hall arrays of order 335 and 603 is established as well.

Related Organizations

Nagoya Institute of Technology
Japan

Keywords

Baumert-Hall arrays, Hadamard matrices, Combinatorial aspects of matrices (incidence, Hadamard, etc.)

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