Autor: Vladimir Balan

VLADIMIR BALAN, Ph D, is Professor in the Department of Mathematics and Informatics at the University Politehnica of Bucharest, Romania. He has published extensively in his areas of research interest, which include harmonic maps, variational problems in fiber bundles, and generalized gauge theory and its applications in mechanics and mathematical physics. MIRCEA NEAGU, Ph D, is Assistant Professor in the Department of Algebra, Geometry, and Differential Equations at the Transilvania University of Bra¿¿ov, Romania. He is the author of more than thirty-five journal articles on jet Riemann-Lagrange geometry and its applications.