Enumeration and Isomorphic Classification of Self-orthogonal Latin Squares

George P. Graham1, Charles E. Roberts1
1Department of Mathematics and Computer Science, Indiana State University, Terre Haute, IN, USA 47809

Abstract

We enumerate the self-orthogonal Latin squares of orders 1 through 9 and discuss the nature of the isomorphism classes of each order. Furthermore, we consider the possibility of enlarging sets of self-orthogonal Latin squares to produce complete sets.