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arxiv: 0911.3839 · v2 · submitted 2009-11-19 · 🧮 math.CO

On partial well-order for monotone grid classes of permutations

classification 🧮 math.CO
keywords gridmonotoneclassclassespermutationsconditionscontainmentdefined
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A monotone grid class is a permutation class (i.e., a downset of permutations under the containment order) defined by local monotonicity conditions. We give a simplified proof of a result of Murphy and Vatter that monotone grid classes of forests are partially well-ordered.

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