A construction of non self-orthogonal designs

Hiroyuki Nakasora

doi:10.1016/j.disc.2005.11.011

A construction of non self-orthogonal designs

Hiroyuki Nakasora

Open Access

https://doi.org/10.1016/j.disc.2005.11.011

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Journal: Discrete Mathematics	Publication Date: Jan 1, 2006
License type: publisher-specific-oa

Affiliation: Okayama University

#Generalization #Isomorphism

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Abstract

It is known that a self-orthogonal 2- ( 21 , 6 , 4 ) design is unique up to isomorphism. We give a construction of 2- ( 21 , 6 , 4 ) designs. As an example, we obtain non self-orthogonal 2- ( 21 , 6 , 4 ) designs. Furthermore, we also consider a generalization of the construction.

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