Quadratic Colless index

Mareike Fischer, Lina Herbst, Sophie Johanna Kersting, Annemarie Luise Kühn and Kristina Wicke
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Mareike Fischer: University of Greifswald, Institute of Mathematics and Computer Science
Lina Herbst: Department of English and American Studies Friedrich Schiller University Jena
Sophie Johanna Kersting: University of Greifswald, Institute of Mathematics and Computer Science
Annemarie Luise Kühn: University of Greifswald, Institute of Mathematics and Computer Science
Kristina Wicke: New Jersey Institute of Technology, Department of Mathematical Sciences

Chapter Chapter 15 in Tree Balance Indices, 2023, pp 163-169 from Springer

Abstract: Abstract The quadratic Colless index was recently introduced by Bartoszek et al. [10] as an alternative to the traditional Colless index (Chapter 12) and is (just like the original) an imbalance index for rooted binary trees. While its intuition is the same as that of the Colless index and is based on the concept of a classic scale (which is in balance if and only if both sides of the lever hold the same weight), the authors argue that it has certain advantages over the original version.

Date: 2023
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DOI: 10.1007/978-3-031-39800-1_15

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