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The quaternary complex Hadamard matrices of orders 10, 12, and 14

✍ Scribed by Pekka H.J. Lampio; Ferenc Szöllősi; Patric R.J. Östergård

Book ID
118257970
Publisher
Elsevier Science
Year
2013
Tongue
English
Weight
285 KB
Volume
313
Category
Article
ISSN
0012-365X

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On the asymptotic existence of complex H
On the asymptotic existence of complex Hadamard matrices
✍ R. Craigen; W. H. Holzmann; H. Kharaghani 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 159 KB 👁 2 views

Let N = N (q) be the number of nonzero digits in the binary expansion of the odd integer q. A construction method is presented which produces, among other results, a block circulant complex Hadamard matrix of order 2 α q, where α ≥ 2N -1. This improves a recent result of Craigen regarding the asympt