Dreiecksgruppen mit Spitzen in quadratischen Zahlkörpern. (Triangle groups with cusps in quadratic number fields)

DOI10.1007/BF02941497zbMath0581.10010MaRDI QIDQ1068122

B. George

Publication date: 1985

Published in: Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg (Search for Journal in Brave)

zbMATH Keywords

Hecke groupsquadratic fieldscontinued fraction expansionmatrix representationsFuchsian group of first kindorbit of cuspparabolic cusps

Mathematics Subject Classification ID

Unimodular groups, congruence subgroups (group-theoretic aspects) (20H05) Continued fractions and generalizations (11J70) Structure of modular groups and generalizations; arithmetic groups (11F06) Fuchsian groups and their generalizations (group-theoretic aspects) (20H10) Congruences for modular and (p)-adic modular forms (11F33)

Related Items (3)

Billiards, heights, and the arithmetic of non-arithmetic groups ⋮ Rosen fractions and Veech groups, an overly brief introduction ⋮ Decreasing height along continued fractions

Cites Work

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