Lyubomir T. Gruyitch

He gained a rich academic experience in Belgium, England, France, RSA, Serbia and USA . Published 15 books, 130 papers in scientific journals, 173 conference research papers. His scientific monographs serve as the basis for new, updated, enriched, courses, textbooks and research. They and his research papers present the new discoveries, complete, broaden, generalize, the existing theories, establish new theories on matrices, physical variables, time, sets, dynamical and control systems.