Augustin Constantinescu is a Lecturer at Transilvania University of Brașov, Romania, affiliated with the Faculty of Mechanics and the Department of Automotive, Transportation and Industrial Engineering. Holding a Doctor of Engineering in Technical Sciences (2010) from Transilvania University, his academic foundation combines mechanical engineering with advanced mathematical modeling capabilities. His educational background includes a PhD in Mechanical Engineering with specialization in Automotive Engineering, Road Transport Systems, Management and Legislation in Transport, and Tractors and Trailers. His areas of competence encompass road vehicles, tractors and agricultural machinery, finite element analysis, and agricultural machinery expertise. Constantinescu's research spans multiple disciplines with particular emphasis on dynamical systems theory, nonlinear dynamics, and mathematical physics. His work demonstrates remarkable interdisciplinary breadth, connecting plasma physics with epidemiological modeling and transportation engineering. Recent publications reveal significant contributions to epidemic modeling, including applications to the COVID-19 pandemic in Romania, alongside his longstanding research in plasma physics and nonlinear dynamical systems. His publication record shows consistent output since the 1990s, with recent work focusing on bifurcation theory, stability analysis, and multistability phenomena in 3D dynamical systems. The research demonstrates strong mathematical rigor with practical applications across epidemiology, plasma physics, and engineering systems. Constantinescu maintains active scholarly communication through two professional email addresses: gusti_constantinescu@yahoo.com and augustin.constantinescu@edu.ucv.ro. His academic profile reflects a dedicated researcher who bridges theoretical mathematics with practical engineering applications, particularly in transportation systems and plasma physics.











