Classification of homogeneous Fourier matrices
Algebra and discrete mathematics, Tome 27 (2019) no. 1, pp. 75-84
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Modular data are commonly studied in mathematics and physics. A modular datum defines a finite-dimensional representation of the modular group $\mathrm{SL}_2(\mathbb{Z})$. 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, fusion rings, $C$-algebras.
Mots-clés : Fourier matrices
Mots-clés : Fourier matrices
@article{ADM_2019_27_1_a8,
author = {Gurmail Singh},
title = {Classification of homogeneous {Fourier} matrices},
journal = {Algebra and discrete mathematics},
pages = {75--84},
publisher = {mathdoc},
volume = {27},
number = {1},
year = {2019},
language = {en},
url = {http://geodesic.mathdoc.fr/item/ADM_2019_27_1_a8/}
}
Gurmail Singh. Classification of homogeneous Fourier matrices. Algebra and discrete mathematics, Tome 27 (2019) no. 1, pp. 75-84. http://geodesic.mathdoc.fr/item/ADM_2019_27_1_a8/