Musical actions of dihedral groups

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Title:	Musical actions of dihedral groups
Author:	Crans, Alissa,; Fiore, Thomas M.; Satyendra, Ramón; Universitat Autònoma de Barcelona. Centre de Recerca Matemàtica
Abstract:	The sequence of pitches which form a musical melody can be transposed or inverted. Since the 1970s, music theorists have modeled musical transposition and inversion in terms of an action of the dihedral group of order 24. More recently music theorists have found an intriguing second way that the dihedral group of order 24 acts on the set of major and minor triads. We illustrate both geometrically and algebraically how these two actions are dual. Both actions and their duality have been used to analyze works of music as diverse as Hindemith and the Beatles.
Subject(s):	-Grups, Teoria de
Rights:	open access Aquest document està subjecte a una llicència d'ús de Creative Commons, amb la qual es permet copiar, distribuir i comunicar públicament l'obra sempre que se'n citin l'autor original, la universitat i el centre i no se'n faci cap ús comercial ni obra derivada, tal com queda estipulat en la llicència d'ús https://creativecommons.org/licenses/by-nc-nd/2.5/
Document type:	Article Prepublicació
Published by:	Centre de Recerca Matemàtica
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Uri:	https://ddd.uab.cat/record/44439