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Some Minor-Closed Classes Of Signed Graphs, Dan Slilaty, Xiangqian Zhou
Some Minor-Closed Classes Of Signed Graphs, Dan Slilaty, Xiangqian Zhou
Mathematics and Statistics Faculty Publications
We define four minor-closed classes of signed graphs in terms of embeddability in the annulus, projective plane, torus, and Klein bottle. We give the full list of 20 excluded minors for the smallest class and make a conjecture about the largest class.