Browsing University of Galway Theses (PhD Theses) by Subject "graph theory"
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Edge colourings and Latin-like squares: Combinatorial structures arising from alternating sign matrices
(NUI Galway, 2020-04-09)An alternating sign matrix is a (0, 1, −1)-matrix in which the nonzero entries of each row and column alternate in sign, starting and ending with 1. An alternating signed bipartite graph (ASBG) is a bipartite graph G whose ...