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Classification of homogeneous Fourier matrices

Gurmail Singh

Abstract


Modular data are commonly studied in mathematics and physics. A modular datum defines a finite-dimensional representation of the modular group SL2(Z). In this paper, we show that there is a one-to-one correspondence between  Fourier matrices associated to modular data and self-dual C-algebras that satisfy a certain condition. We prove that a homogenous C-algebra arising from a Fourier matrix has all the degrees equal to 1.

Keywords


modular data, Fourier matrices, fusion rings, C-algebras

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