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March, 1975 On the Nonexistence of Knut Vik Designs for all Even Orders
A. Hedayat, W. T. Federer
Ann. Statist. 3(2): 445-447 (March, 1975). DOI: 10.1214/aos/1176343068


A Kunt Vik design of order $n$ can be defined as an $n \times n$ array of elements, chosen from a set of $n$ elements (treatments) such that with respect to rows and columns the array is a Latin square and in addition each treatment appears once in each of the $n$ left and right diagonals. These designs are useful for eliminating sources of variation in four directions. This paper is concerned with the existence and nonexistence of these designs. Specifically, (i) it is shown that no such design exists for $n$ even, (ii) these designs exist for all odd orders except possibly for $n \equiv 0 (\mod 3)$, (iii) the Kronecker product of two Knut Vik designs in a Kunt Vik design and (iv) the concept of semi Knut Vik design is also defined and it is shown that while these designs do not exist for even orders, they exist for all odd orders.


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A. Hedayat. W. T. Federer. "On the Nonexistence of Knut Vik Designs for all Even Orders." Ann. Statist. 3 (2) 445 - 447, March, 1975.


Published: March, 1975
First available in Project Euclid: 12 April 2007

zbMATH: 0302.62038
MathSciNet: MR368336
Digital Object Identifier: 10.1214/aos/1176343068

Primary: 62K05
Secondary: 62K15

Keywords: block design , Knut Vik design , Latin square design

Rights: Copyright © 1975 Institute of Mathematical Statistics


Vol.3 • No. 2 • March, 1975
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