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math.GR2008
Weyl groupoids of rank two and continued fractions
M. Cuntz, I. Heckenberger
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 fin…
math.GR2008★ 4 cited
Weyl groupoids with at most three objects
M. Cuntz, I. Heckenberger
We adapt the generalization of root systems of the second author and H. Yamane to the terminology of category theory. We introduce Cartan schemes, associated root systems and Weyl…