Genera of arithmetic Fuchsian groups
Genera of congruence subgroups in Q-quaternion algebras.
Generalization of the symplectic modular group
Generalized continued fractions and orbits under the action of Hecke triangle groups
Generalized Hecke groups and Hecke polygons.
Generalized Picard lattices arising from half-integral conditions
Geodesics on Riemann surfaces with ramification points of order greater than two.