✦ LIBER ✦

Group invariant orderings and experimental designs

✍ Scribed by Alessandra Giovagnoli; Friedrich Pukelsheim; Henry P. Wynn

Book ID: 103797623
Publisher: Elsevier Science
Year: 1987
Tongue: English
Weight: 782 KB
Volume: 17
Category: Article
ISSN: 0378-3758
DOI: 10.1016/0378-3758(87)90109-1

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## Abstract We obtain new conditions on the existence of a square matrix whose Gram matrix has a block structure with certain properties, including D‐optimal designs of order $n\equiv 3 \pmod 4$, and investigate relations to group divisible designs. We also find a matrix with large determinant for