Buyukkaragoz, Aziz; Unluyol, Erdal
(HONAM MATHEMATICAL SOC-GWANGJU, 2022)
In this paper, we establish the Fricke Group Gamma(F)(N) which is a new special group of Non-Euclidean Crystallograhic (NEC) group. We obtain this group whose congruence subgroup Gamma(0)(N) is expanded with Fricke reflection ...