**About the Editors**

### **Angelo B. Mingarelli**

Angelo B. Mingarelli was a doctoral student of the late Prof. F. V. Atkinson (Toronto), who was part of the Hardy–Littlewood school via E.C. Titchmarsh. He has published over 130 papers in various fields, spanning the history of art and mathematics, to fuzzy cellular automata and differential equations. Starting at Pennsylvania State University (State College), he then moved on to the University of Ottawa and finally Carleton University, where he has been Professor of Mathematics since 1990.

#### **Leila Gholizadeh Zivlaei**

Leila Gholizadeh Zivlaei is a doctoral student of Prof. Angelo B. Mingarelli (Ottawa) in the School of Mathematics and Statistics at Carleton University. She has published 12 papers in the fields of fixed point theory and fractional Sturm–Liouville differential equations. Starting her career as a tutor and researcher at various universities in her home country of Iran, she then moved to Carleton University and has been a Ph.D. student at the university since 2020.

### **Mohammad Dehghan**

Mohammad Dehghan is currently a doctoral student of Prof. Angelo B. Mingarelli in the School of Mathematics and Statistics at Carleton University. He has published eight papers in the fields of linear programming and classical and fractional Sturm–Liouville differential equations. Starting his career at the Azad University of Sari branch in Iran, he then moved to Carleton University as a visiting researcher and is now working in the Canadian Intellectual Property Office (CIPO) as a data scientist.
