Contents

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Strength Six Orthogonal Arrays and Their Non-Existence

D.V. Chopra1, Richard M. Low2, R. Dios3
1Department of Mathematics and Statistics Wichita State University Wichita, KS 67260-0033, USA
2Department of Mathematics San Jose State University San Jose, CA 95192, USA
3Department of Mathematics New Jersey Institute of Technology Newark, NJ 07102-1982, USA

Abstract

In this paper, we consider the non-existence of some bi-level orthogonal arrays (O-arrays) of strength six, with m constraints (6m32), and with index set μ (1μ512). The results presented here tend to improve upon the results available in the literature.