Alina Petrescu-Niță received his Ph.D. in Mathematics at University of Bucharest, Mathematics Faculty in 2004. She received his MS in Applied Statistics and optimization in 1998 and BS in Mathematics in 1997, at the same University. She is Associat Professor within the Mathematical Methods and Models Department, University Politehnica of Bucharest. Her research interests are in Linear Algebra and Applications, Mathematical Optimization, Geometry, Differential Equations, Cryptography and Cryptanalysis, Discrete Mathematics, Applied Mathematics