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Group-divisible rotatable designs

✍ Scribed by M. N. Das; A. Dey

Publisher: Springer Japan
Year: 1967
Tongue: English
Weight: 642 KB
Volume: 19
Category: Article
ISSN: 0020-3157
DOI: 10.1007/bf02911684

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

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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

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