Conceptspectral theory
Spectral Theory
A branch of mathematics studying the spectra of operators, such as Schrödinger operators, with attention to properties such as spectral measures; the spectra corresponding to aperiodic order are often singularly continuous.
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Oct 25
Aperiodic order studies systems that are neither fully periodic nor lacking in highly ordered structure, and is closely related to quasicrystals, symbolic dynamics, and spectral theory.
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