On the Rosenau equation: Lie symmetries, periodic solutions and solitary wave dynamics. - Ali Demirci; Yasin Hasanoglu; Gulcin M. Muslu; Cihangir Özemir (CoRR, 2021)

Bifurcation analysis of Friedkin-Johnsen and Hegselmann-Krause models with a nonlinear interaction potential. - Fatma Atas; Ali Demirci; Cihangir Özemir (Math. Comput. Simul., 2021)

Hopf bifurcation of a financial dynamical system with delay. - Yasemin Çalis; Ali Demirci; Cihangir Özemir (Math. Comput. Simul., 2022)

Hopf bifurcation in the shadow of extinction: Collaborating with epidemic dynamics through lethal mutations and declining ancestor infections. - Ali Demirci; Ayse Peker Dobie; Cihangir Özemir; Semra Ahmetolan (Biosyst., 2025)

Hopf bifurcation in a generalized Goodwin model with delay. - Eysan Sans; Melisa Akdemir; Ayse Tiryakioglu; Ayse Peker Dobie; Cihangir Özemir (Math. Comput. Simul., 2025)