Ümmügülsüm Erdinç

A fractional-order mathematical model based on vaccinated and infected compartments of SARS-CoV-2 with a real case study during the last stages of the epidemiological event

A. Yousef, Halis Bilgil, Zafer Öztürk, 2022, Journal of Computational and Applied Mathematics.

New Exact Solutions of Conformable Time-Fractional Bad and Good Modified Boussinesq Equations

Sezer Sorgun, Halis Bilgil, Zafer Öztürk, 2021, Journal of New Theory.

An optimized continuous fractional grey model for forecasting of the time dependent real world cases

Halis Bilgil, Zafer Öztürk, Ümmügülsüm Erdinç, 2021, Hacettepe Journal of Mathematics and Statistics.