Šárka Hošková-Mayerová is a professor in the Department of Mathematics and Physics at the University of Defence in Brno, Czech Republic. She is the co-author of the monograph Quality of Spatial Data in Command and Control System and the co-editor of nine books published in Springer Publishing house. She is the author or the co-author of several chapters of books and papers in valuable journals. She is the chief editor of the journal Ratio Mathematica and an associate editor of the Journal of Intelligent and Fuzzy Systems published by IOS Press. Moreover, she is a member of editorial board of various journals, e.g., Italian Journal of Pure and Applied Mathematics and Advances in Military Technology. Her areas of interest are mathematical modeling and decision-making process, algebraic hyperstructures, and fuzzy structures.Cristina Flaut is a professor in the Department of Mathematics and Computer Science, Faculty of Mathematics and Computer Science at the Ovidius University of Constanţa, România. She is the author and the co-author of more than 60 monographs, chapters of books, and papers in important journals. She is the editor-in-chief of the journal Analele Ştiinţifice ale Universităţii Ovidius Constanţa-Seria Matematica, an ISI journal. In 2016, she was considered the best researcher of the Ovidius University of Constanţa. Her areas of interest are: algebra (nonassociative algebras, logical algebras), coding theory, and cryptography.Daniel Flaut is a professor in the Faculty of History and Political Science at Ovidius University of Constanţa, România. He is the author and the co-author of more than 50 books, chapters of books, and papers in important journals. He is the editor-in-chief ofthe journal Revista Română de Studii Eurasiatice, indexed in various databases. He is also a member of the editorial board of various journals. He is the director of the Eurasian Studies Center of Faculty of History and Political Science of OvidiusUniversity of Constanţa, România. As the co-author of the book Arheologie medievală română, he received in 2006 the “George Potra” Prize, awarded by the Cultural Foundation “Magazin Istoric”, România. His areas of interest are: medieval history, auxiliary sciences of history, and history of international relations.Dr. Pavlína Račková is a lecturer in the Department of Mathematics and Physics at the University of Defence, Brno, Czech Republic. She is the author of more than 30 chapters of books and journal papers and she is also the co-author of several study texts. At the department, she acts as a menor for beginning teachers. Throughout his career, she devotes a lot of effort to working with students, applies an individual approach, and helps them adapt to the university way of studying. Her areas of interest are: teaching of mathematics, educational management, pedagogy, and numerical methods.
