Browsing Theses by Author "Horrocks, Courtney"
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A Generalization to Signed Graphs of a Theorem of Sergey Norin and Robin Thomas
Horrocks, Courtney (University of Waterloo, 2019-12-19)In this thesis we characterize the minimal non-planar extensions of a signed graph. We consider the following question: Given a subdivision of a planar signed graph (G, Σ), what are the minimal structures that can be added ...