Dr. Mariana Durcheva is a Lecturer in the Mathematics Department of Sami Shamoon College of Engineering, Israel, and an Associate Professor in the Applied Mathematics Faculty of the Technical University of Sofia, Bulgaria. She completed her PhD studies at the Technical University of Sofia, Bulgaria. Dr. Durcheva has published over 50 papers in various journals and serves as a Guest Editor for the special issue "Mathematics for Algebraic Coding Theory and Cryptography" in the journal Mathematics (JCR Q1, Mathematics). Her teaching areas include logic and discrete structures, algebraic cryptography, and complex functions. Her research interests focus on semiring theory and semiring-based cryptography, fuzzy sets, and fuzzy graphs.