**About the Editors**

#### **Francisco Mart´ınez Gonz´alez**

Francisco Mart´ınez Gonzalez is a tenured professor at the Universidad Polit ´ ecnica de Cartagena, ´ Spain. He received a Ph.D. degree in Physics from Universidad de Murcia in 1992. His research interests include nonlinear dynamics methods and their applications, fractional calculus, fractional differential equations, multivariate calculus or special functions, and the divulgation of mathematics.

#### **Mohammed K. A. Kaabar**

Mohammed K. A. Kaabar is a Full Professor of Mathematics at the Samarkand International University of Technology, listed as one of the 2023 World's Top 2% Scientists by Stanford University, and he received his BSc, MSc, and PhD degrees in Mathematics from Washington State University, Pullman, Washington, USA and Universiti Malaya, Kuala Lumpur, Malaysia, respectively. He has a global, diverse experience in teaching/research. He has worked as a Professor of Mathematics, a Math Lab Instructor, and a Lecturer at various US institutions, such as Moreno Valley College, California, USA, Washington State University, Washington, USA, and Colorado Early Colleges, Colorado, USA. He is an aspiring educator, a researcher, a keynote speaker at conferences held in various countries, and a Director of the International Engineering and Technology Institute (IETI), headquarters in Malaysia.
