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Extremal subtrees of critical beta-splitting trees

Anna Brandenberger, Byron Chin, Elchanan Mossel

Source record

Source: arXiv

Published: Sep 21, 2026

arXiv: 2609.24973

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Source abstract

We determine the most and least likely shapes for an instance of the critical beta-splitting tree via a connection to data compression and Huffman's minimum redundancy codes. This allows us to answer combinatorial questions about the distribution of clades posed by Aldous and Janson, stated as problem 7 in arXiv:2303.02529.

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Extremal subtrees of critical beta-splitting trees — Mathematical Frontier Network