


Research Interests
 Mathematics:
 Numerical methods (theory, algorithms and computer programs) for Optimal Control Problems governed by PDEs and by variational inequalities
 Numerical methods for HamiltonJacobi equations (the synthesis of optimal control)
 Numerical methods for PDEs and integral equations
 Applied mathematics, applied optimal control problems:
 free boundary problems
 epidemic models
 optimization of plates
 laser hardening of steel
 3D curved mechanical structures
 population dynamics
Books
 Optimal Control from Theory to Computer Programs (in cooperation with Pekka Neittaanmaki), Kluwer Academic Publishers, Dordrecht, Boston, London, 2003.
 Numerical Methods for Variational Problems, University of Jyvaskyla, Department of Mathematical Information Technology, Lecture Notes 8/2001, Jyv\"askyl\"a, Finland, 2001
 Metode numerice pentru probleme variationale.Teorie si algoritmi, Editura Universitatii "Alexandru Ioan Cuza", Iasi, 2001
 An Introduction to Optimal Control Problems in Life Sciences and Economics. From Mathematical Models to Numerical Simulation with Matlab (in cooperation with S. Anita, V. Capasso), Birkhauser, Boston, 2010.
Selected List of Papers ( ISI journals )
 Approximation of Optimal Distibuted Control Problems Governed by Variational Inequalities, Numerische Mathematik, 38(1982), 393  416
 Controlling the Spread of a Class of Epidemics (in cooperation with V. Barbu and V. Capasso), Applied Mathematics and Optimization 20(1989), 297  317
 On Approximation of the Inverse OnePhase Stefan Problem, International Series of Numerical Mathematics, Vol. 99, 1991, Birkhauser Verlag, Basel, 6981.
 Numerical Results for a Product Formula Approximation of HamiltonJacobi Equations, International Journal of Computer Mathematics, Vol. 57, 1995, 75  82
 Numerical Approximation for the PhaseField Transition System (in cooperation with C. Morosanu), International Journal of Computer Mathematics, Vol. 62, 1996, 209221.
 Discretization Estimates for an Elliptic Control Problem (in cooperation with P. Neittaanmaki), Numer. Funct Anal. and Optimiz., Vol. 19 (5 & 6), 1998, 431464.
 Convergence Results for a Nonlinear Parabolic Control Problem (in cooperation with D. Homberg and J. Sokolowski), Numer. Funct Anal. and Optimiz., Vol. 20 (9 & 10), 1999, 805824.
 On the Approximation and the Optimization of Plates (in cooperation with H. Langmach, J. Sprekels, D. Tiba), ), Numer. Funct Anal. and Optimiz., Vol. 21 (3 & 4), 2000, 337354.
 Optimization problems for curved mechanical structures (in cooperation with J. Sprekels, D. Tiba), SIAM J. on Control and Optimization, Vol. 44, No. 2, 2005, 743  775
 A reduction approximation method for curved rods (in cooperation with J. Sprekels, D. Tiba), Numer. Funct Anal. and Optimiz., Vol. 26, No. 2, 2005, 139155.
 Global behavior for an agedependent population model with logistic term and periodic vital rates (in cooperation with LI. Anita, S. Anita), Applied Mathematics and Computation, 206(1), 2008, 368379
 The numerical solutions for an elliptic control problem (in cooperation with R. Stefanescu), Proceedings of SYNASC 2008, IEEE Computer Society, Los Alamitos, 2009, 173176
 Numerical optimal harvesting for a periodic agestructured population dynamics with logistic term (in cooperation with S. Anita , R. Stefanescu), Numerical Functional Analysis and Optimization, 30 (34), 2009, 183198
 Optimal harvesting for periodic agedependent population dynamics with logistic term (in cooperation with LI. Anita , S. Anita), Applied Mathematics and Computation, 215(7), 2009, 27012715
 Numerical locking problems for hyperbolic equations (in cooperation with AnaMaria Mosneagu), Numerical Functional Analysis and Optimization, 31(5), 2010, 549568
 Numerical applications for insulin treatment models (in cooperation with AnaMaria Mosneagu), Analele St. ale Universitatii Iasi (S.N.) Matematica, Tom LVII, 2011, f.1, 4355
 Feedback stabilization for a reactiondiffusion system with nonlocal reaction term (in cooperation with S. Anita, Smaranda Dodea), Numerical Functional Analysis and Optimization, 32(4), 2011, 351369
 Numerical locking problems for parabolic equations (in cooperation with AnaMaria Mosneagu), Numerical Functional Analysis and Optimization, 32(9), 2011, 927945.
Other Selected Papers
 Approximation of an IntegroDifferential Equation in a Hilbert Space, Analele Univ. Iasi, Tom XXV, s. Ia (1979), fasc. 2, 313329.
 Characterization and Approximation of Optimal Control of a Class of Nonconvex Distributed Control Problems, Mathematica, Tome 22(45), No. 2 (1980), ClujNapoca, 189  205
 The Study of Two Filters Series (in cooperation with E. Barsan and C. Barsan), Buletinul Instit. Politehnic Iasi, Tom XXVII(XXXI), fasc. 34, Sectia III (1981), 8794.
 Approximation of Optimal Distributed Control Problems, Workshop on Differential Equations and Control Theory, Institute of Mathematics Bucharest, 1983, 7  10
 Program Design for the Numerical Solution of an Optimal Control Problem, Analele Univ. Iasi, Tom XXXV, 1989, fasc. 4, Informatica, 353366.
 On a laser hardening problem (in cooperation with D. Homberg, J. Sokolowski), Analele St. Univ. Ovidius Constanta, Vol. 6(1), 1998, 18.
 Some aspects concerning the linear agedependent population dynamics (in cooperation with S. Anita), Sci. Annals of USAMV Iasi, Proc. of the Annual Symposium on "Mathematics applied in Biology & Biophysics", pp. 3  18, Iasi, 2004
 Some aspects concerning the optimal harvesting problem (in cooperation with S. Anita), Sci. Annals of USAMV Iasi, Proc. of the Annual Symposium on, "Mathematics applied in Biology & Biophysics", pp. 65  73, Iasi, 2005
