Bounded twin-width three versus tree-independence number for star-free graph classes
Bounded twin-width three versus tree-independence number for star-free graph classes
Let , and let be a -free graph class of twin-width at most . Twin-width conjecture. Does have bounded tree-independence number? The paper notes that the analogous statement is known for twin-width , while twin-width at most already permits unbounded tree-independence number; the case of twin-width at most is left open.
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Primary source
Kenny Bešter Štorgel, Mujin Choi, Hidde Koerts and Ðorđe Vasić, “Tree-independence number of K_1,d-free graph classes”, arXiv:2606.20256 (2026).
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