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JOURNALS // Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki // Archive

Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, 2012 Volume 154, Book 4, Pages 139–145 (Mi uzku1164)

The degree of ultrametricity of a metric space

M. D. Missarov

Kazan (Volga Region) Federal University

Abstract: The notion of the degree of ultrametricity of a metric space is introduced. The degree of ultrametricity of the Euclidean space is obtained. The results of a statistical experiment on the computation of the degree of ultrametricity in the space of strings of given lengths for Hamming and edit distances are presented. It is shown that the degree of ultrametricity grows with an increase in the string length.

Keywords: coefficient of ultrametricity, degree of ultrametricity, Euclidean metric, Hamming distance, edit distance.

UDC: 51-7

Received: 20.11.2012



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