| On the power subgroups of the extended modular group Γ R Sahin, S Ikikardes, Ö Koruoglu Turkish J. Math 28 (2), 143-151, 2004 | 38 | 2004 |
| SOME NORMAL SUBGROUPS OF THE EXTENDED HECKE GROUPS H̅(λ p ) R Sahin, S Ikikardes, Ö Koruoğlu The Rocky Mountain Journal of Mathematics, 1033-1048, 2006 | 25 | 2006 |
| Generalized Fibonacci sequences related to the extended Hecke groups and an application to the extended modular group Ö Koruoğlu, R Şahin Turkish Journal of Mathematics 34 (3), 325-332, 2010 | 22 | 2010 |
| Power subgroups of some Hecke groups S Ikikardes, Ö Koruoğlu, R Sahin The Rocky Mountain Journal of Mathematics, 497-508, 2006 | 22 | 2006 |
| Power subgroups of some Hecke groups II İN Cangül, R Şahin, S İkikardeş, Ö Koruoğlu Univ Houston, 2007 | 20 | 2007 |
| Commutator subgroups of the power subgroups of some Hecke groups R Sahin, Ö Koruoğlu The Ramanujan Journal 24, 151-159, 2011 | 18 | 2011 |
| The determination of parabolic points in modular and extended modular groups by continued fractions. Ö Koruoğlu Bulletin of the Malaysian Mathematical Sciences Society. Second Series 33 (3 …, 2010 | 18 | 2010 |
| On the Extended Hecke Group R Sahin, Ö Koruoğlu, S Ikikardes Algebra Colloquium 13 (01), 17-23, 2006 | 17 | 2006 |
| Commutator subgroups of generalized Hecke and extended generalized Hecke groups Ş Kaymak, B Demır, Ö Koruoğlu, R Şahin Analele ştiinţifice ale Universităţii" Ovidius" Constanţa. Seria Matematică …, 2018 | 15 | 2018 |
| On the Power Subgroups of the Extended Modular Group\Gamma R Şahin, S İkikardeş, Ö Koruoğlu Turkish Journal of Mathematics 28 (2), 143-152, 2004 | 15 | 2004 |
| Conjugacy classes of extended generalized Hecke groups B Demir, Ö Koruoğlu, R Şahin Union Matematica Argentina, 2016 | 14 | 2016 |
| The normal subgroup structure of the extended Hecke groups Ö Koruoğlu, R Sahin, S Ikikardes Bulletin of the Brazilian Mathematical Society, New Series 38 (1), 51-65, 2007 | 14 | 2007 |
| Trace Classes and Fixed Points for the Extended Modular Group\overline {\Gamma} Ö Koruoğlu, R Şahin, S İkikardeş Turkish Journal of Mathematics 32 (1), 11-19, 2008 | 13 | 2008 |
| GENERALIZED PELL SEQUENCES RELATED TO THE EXTENDED GENERALIZED HECKE GROUPS 3,q AND AN APPLICATION TO THE GROUP 3,3 F Birol, O Koruoglu, R Sahin, B Demir Honam Mathematical Journal 41 (1), 197-206, 2019 | 8 | 2019 |
| Genişletilmiş modüler grubun H ̅_3, 3 alt grubu ve Fibonacci sayıları F Birol, Ö Koruoğlu, B Demir Balıkesir Üniversitesi Fen Bilimleri Enstitüsü Dergisi 20 (2), 460-466, 2018 | 7 | 2018 |
| Commutator subgroups of the power subgroups of Hecke groups H (λq) II R Sahin, Ö Koruoğlu Comptes Rendus Mathematique 349 (3-4), 127-130, 2011 | 7 | 2011 |
| The images under the modular group and extended modular group Ö Koruoglu Hacettepe Journal of Mathematics and Statistics 40 (1), 15-20, 2011 | 7 | 2011 |
| Normal Subgroups of Hecke Groups H(λ) Ö Koruoğlu, R Sahin, S Ikikardes, IN Cangül Algebras and representation theory 13, 219-230, 2010 | 7 | 2010 |
| Generalized M*-groups R Sahin, S Ikikardes, O Koruoglu International Journal of Algebra and Computation 16 (06), 1211-1219, 2006 | 7 | 2006 |
| H (λ) ile H (λp) genişletilmiş hecke gruplarının bazı normal alt grupları ve sürekli kesirler Ö Koruoğlu Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2005 | 7 | 2005 |
