"Critical Sets in Equiorthogonal Frequency Squares" by Ilene H. Morgan and Rita Saharay
 

Critical Sets in Equiorthogonal Frequency Squares

Abstract

In this paper, we study critical sets in pairs of equiorthogonal frequency squares. Using this stronger definition of orthogonality, a pair of equiorthogonal frequency squares is classified into one of three classes depending on the isomorphism or orthogonality of the corresponding rows and columns. We provide a general theorem determining the size of the critical set of a pair of equiorthogonal squares in which the corresponding rows and columns are isomorphic. For the other possible combinations of corresponding rows and columns, we make a few general observations with a detailed investigation into the conditions for the existence of an equiorthogonal mate and the size of a critical set for a pair of squares of order 8 based on 2 symbols.

Department(s)

Mathematics and Statistics

International Standard Serial Number (ISSN)

2202-3518; 1034-4942

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2024 Centre for Discrete Mathematics and Computing (University of Queensland), All rights reserved.

Publication Date

01 Jan 2014

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