About the Author: ​Daniel Flaut is a professor in the Department of History and Political Science at Ovidius University of Constanţa, Romania. 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 of the journal Revista Română de Studii Eurasiatice, indexed in various Databases. He is also a member of the editorial board of various journals. He is Director of the Eurasian Studies Center of Faculty of History and Political Science of Ovidius University of Constanţa, Romania. 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", Romania.Areas of interest: medieval history, auxiliary sciences of history, history ofinternational relations.
Sárka Hosková-Mayerová is an Associate Professor at 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 co-editor of five books published in Springer Publishing house. She is the author or co-author of several chapters of books and papers in valuable journals (e.g. Soft Computing, Computers & Mathematics with Applications, Analele Stiintifice ale Universitatii Ovidius Constanţa-Seria Matematica, Quality & Quantity, etc.). She is the Chief Editor of the journal Ratio Mathematica, 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 modelling and decision-making process, algebraic hyperstructures, and fuzzy structures.
Cristina Ispas is lecturer in the Faculty of Social Sciences at Univesity "Eftimie Murgu" of Resita, Romania. She is the author of two books, and coordinator of two other books, author of more than 30 chapters of books and papers in important journals. She is member of the editorial board of international journal Analele Universităţii "Eftimie Murgu" din Reşiţa, Fascicola de Ştiinţe Social-Umaniste.
Areas of interest: educational management, special psycho-pedagogy, pedagogy for primary and preschool education, family pedagogy, family and child social work.
Fabrizio Maturo is a PhD in "Economics and Statistics" and is qualified to function as an associate professor in statistics in Italy and Romania. He was a Researcher in Statistics at the University of Chieti-Pescara (Italy) and then a Researcher in Biostatistics at the National University of Ireland Galway, Ireland. Now, he is a Researcher in Statistics at the University of Campania "Luigi Vanvitelli" in Caserta (Italy) and an Adjunct Professor in the Bachelor's Degree in Data Analytics. He is the Chief Editor of the international journal Ratio Mathematica and a Co-Editor of two international books published by Springer. He is Associate Editor of the Journal of Intelligent and Fuzzy Systems published by IOS Press and of the Journal of Statistics and Management Systems published by Taylor & Francis. Fabrizio participates in the editorial board and does an activity as a referee for many other international journals. He is the author of about sixty publications in international journals and books, and his main research interests are biostatistics, diversity, functional data analysis, fuzzy logic, multivariate statistics, dimensionality reduction techniques, item response models, econometrics, and R statistical programming. His teaching activity regards statistics and computer science.

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, Romania. She is the author and the co-author of more than 60 monographs, chapters of books, and papers in important journals (as for example in Taylor & Francis, in Springer or in the journals: Ann. Mat. Pura Appl., Adv. Appl. Clifford Algebras, Bull. Korean Math. Soc., Adv. Differ. Equ.-NY, J. Intell. Fuzzy Syst., Results Math., Chaos, Solitons & Fractals, Soft Computing, Algebr. Represent. Theor., J. Differ. Equ. Appl., etc.).She is 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.Areas of interest: algebra (nonassociative algebras, logical algebras), codingtheory and cryptography.