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Generalized Spectral Closedness and the Nonexistence of Walk-Realizable Supporters for Split Graphs

Li, Yanyang
arXiv (All) · Papers
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05c5005c75combinatorics
Let $\mathcal F=\{2K_2,C_4,C_5\}$, so that $\operatorname{Forb}(\mathcal F)$ is the class of split graphs. Resolving a conjecture of Wang and Tang, we prove that the class of split graphs is generalized spectrally closed and that it admits no walk-realizable $\mathcal F$-supporter of any finite orde
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