Mutually orthogonal Sudoku Latin squares and their graphs
Combinatorics
2021-11-10 v1
Abstract
We introduce a graph attached to mutually orthogonal Sudoku Latin squares. The spectra of the graphs obtained from finite fields are explicitly determined. As a corollary, we then use the eigenvalues to distinguish non-isomorphic Sudoku Latin squares.
Cite
@article{arxiv.2111.04992,
title = {Mutually orthogonal Sudoku Latin squares and their graphs},
author = {Sho Kubota and Sho Suda and Akane Urano},
journal= {arXiv preprint arXiv:2111.04992},
year = {2021}
}
Comments
16 pages