A Susceptible-Infectious (SI) model with two infective stages and an endemic equilibrium. - Semra Ahmetolan; Ayse Hümeyra Bilge; Ali Demirci; Ayse Peker Dobie (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)

Manipulating the Hopf and Generalized Hopf Bifurcations in an Epidemic Model via Braga's Methodology. - Ayse Peker Dobie (Int. J. Bifurc. Chaos, 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)