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arxiv: 1605.06139 · v1 · pith:GILEDXSBnew · submitted 2016-05-19 · 🧮 math.CO

Displaying tangles and non-sequential separations

classification 🧮 math.CO
keywords mathcalmaximalseparationstanglesadditionalconditiondisplayingdisplays
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We show that, for any graph or matroid, there is a tree that simultaneously distinguishes its maximal tangles, and, for each maximal tangle $\mathcal{T}$ that satisfies an additional robustness condition, displays all of the non-trivial separations relative to $\mathcal{T}$, up to a natural equivalence.

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