Γ = < x

Both groups act transitively on the vertices of Euclidean buildings of type Ã

(See Cartwright/Mantero/Steger/Zappa, Geom. Dedicata 47(2), 143-166, 1993.)

Python code to work with a representation of the group Γ by infinite upper triangular Toeplitz matrices. | |

Python code to work with a representation of the group G by infinite upper triangular Toeplitz matrices. |

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