A hyperbolic GCM Lie algebra and the Fibonacci numbers

Feingold, Alex Jay

doi:10.1090/S0002-9939-1980-0580988-6

A hyperbolic GCM Lie algebra and the Fibonacci numbers
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by Alex Jay Feingold

Proc. Amer. Math. Soc. 80 (1980), 379-385

DOI: https://doi.org/10.1090/S0002-9939-1980-0580988-6

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Abstract:

The Fibonacci numbers are found to be involved with the Weyl-Macdonald-Kac denominator formula for a certain rank 2 Generalized Cartan Matrix Lie algebra.

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