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Bounding right-arm rotation distances
Cleary, Sean; Taback, Jennifer
Centre de Recerca Matemàtica
Rotation distance quantifies the difference in shape between two rooted binary trees of the same size by counting the minimum number of elementary changes needed to transform one tree to the other. We describe several types of rotation distance, and provide upper bounds on distances between trees with a fixed number of nodes with respect to each type. These bounds are obtained by relating each restricted rotation distance to the word length of elements of Thompson's group F with respect to different generating sets, including both finite and infinite generating sets.
Arbres (Teoria dels grafs)
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Centre de Recerca Matemàtica
Prepublicacions del Centre de Recerca Matemàtica;637

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