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Corrections to “Group divisible rotatable designs”

✍ Scribed by M. N. Das; A. Dey


Publisher
Springer Japan
Year
1968
Tongue
English
Weight
24 KB
Volume
20
Category
Article
ISSN
0020-3157

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D-optimal designs and group divisible de
✍ Hiroki Tamura 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 128 KB

## 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