group theory

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group theory

[′grüp ‚thē·ə·rē]
(mathematics)
The study of the structure of groups which especially deals with the classification of finite groups.
References in periodicals archive ?
Ulrich Majer's "Husserl and Hilbert on Geometry" discusses Husserl's position on the debate between Hilbert's axiomatic approach to geometry and the group-theoretic approach of Helmholtz, Lie, and Poincare.
Ian Cross's chapter, "Pitch Schemata," provides an intelligible and thorough review of the variety of pitch structures that have been postulated and that vary according to theoretical approach (cognitive-structural, group-theoretic, psychoacoustic) and listeners' music culture and expertise.