1 October 2022
1 November 2023
20 November 2023
Abstract
Biographies
E. Aydoğdu is an assistant professor at Turkish National Defense University since 2023. She received her MSc degree in mathematics from the Institute of Natural and Applied Sciences of Atatürk University, in 2012, and PhD degree from Kocaeli University, in 2019. She worked as a research assistant at Kocaeli University between 2012–2023. Her research interests include fuzzy set theory, soft set theory, fixed point theory, metric space and multiple criteria decision analysis.
B. Aldemir graduated from the Department of Mathematics at Kocaeli University in 2018. She received her master’s degree in mathematics in 2021. She is a PhD student at Kocaeli University. She has been working as a research assistant in the Department of Mathematics at Afyon Kocatepe University since 2021. Her areas of interest are general topology, metric spaces, fuzzy set theory, soft set theory, fixed point theory, decision-making theory, and image processing.
E. Güner graduated from the Department of Mathematics at Kocaeli University in 2015. She received her master’s degree in Mathematics in 2018 and her PhD degree in 2023 from Kocaeli University. She has been working as a research assistant in the Department of Mathematics at Kocaeli University since 2016. Her area of interests are general topology, metric spaces, fuzzy set theory, soft set theory, fixed point theory and decision-making theory.
H. Aygün graduated from the Department of Mathematics at Karadeniz Technical University in 1989. He received his master’s degree in mathematics from Karadeniz Technical University, in 1992, and his PhD degree from City University in London. He worked as a research assistant at Karadeniz Technical University and Kocaeli University between 1989–1993 and 1993–1998, respectively. He worked as an assistant professor and associate professor at Kocaeli University between 1998–2000 and 2000–2006, respectively. He has been a professor in the Department of Mathematics at Kocaeli University since 2006. His area of interests are general topology, fuzzy topology, metric spaces, fuzzy set theory, (fuzzy) soft set theory, lattice theory, fixed point theory and decision-making theory.