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Weyl Groupoids of Rank Two and Continued Fractions by Cuntz, M.; Heckenberger, I. is a scholarly article available to read on EtoBox.

What is Weyl Groupoids of Rank Two and Continued Fractions about?

A relationship between continued fractions and Weyl groupoids of Cartan schemes of rank two is found. This allows to decide easily if a given Cartan scheme of rank two admits a finite root system. We obtain obstructions and sharp bounds for the entries of the Cartan matrices. Key words: Cartan matrix, continued fraction, Nichols algebra, Weyl groupoid

Author

Cuntz, M.; Heckenberger, I.

Published

2008

Language

EN