Publications

Books & Book chapters & Lecture notes

1.     Barbu, Viorel ; Lefter, Catalin . Optimal control of ordinary differential equations. Handbook of differential equations: ordinary differential equations. Vol. II, 1-75, Elsevier B. V., Amsterdam, 2005.

2.     Lefter, Catalin . Calculul variatiilor si controlul ecuatiilor diferentiale, Editura Alexandru Myller, Iasi, 2006. (ISBN 973-86987-4-X) (.pdf)

3.     Lefter, Catalin . Ecuatii diferentiale si sisteme dinamice, Editura Alexandru Myller, Iasi, 2006. (ISBN 973-86987-7-4) (.pdf)

Papers

1.     Lefter, Cătălin-George; Lorenzi, Alfredo Approximate controllability for an integro-differential control problem. Appl. Anal. 91 (2012), no. 8, 1529–1549.

2.     Lefter, Cătălin-George Feedback stabilization of magnetohydrodynamic equations. SIAM J. Control Optim.49 (2011), no. 3, 963–983.

3.     Lefter, Cătălin-George On a unique continuation property related to the boundary stabilization of magnetohydrodynamic equations. An. Ştiinţ. Univ. Al. I. Cuza Iaşi. Mat. (N.S.) 56 (2010), no. 1, 1–15.

4.     Coron, Jean-Michel ; Grigoriu, Andreea ; Lefter, Catalin ; Turinici, Gabriel. Quantum control design by Lyapunov trajectory tracking for dipole and polarizability coupling. New J. Phys. 11 (2009), doi: 10.1088/1367-2630/11/10/105034 .

5.     Lefter, Cătălin-George Feedback stabilization of two dimensional magnetohydrodynamic equations. An. Ştiinţ. Univ. Al. I. Cuza Iaşi. Mat. (N.S.) 55 (2009), no. 1, 21–34.

6.     Lefter, Cătălin Feedback stabilization of 2D Navier-Stokes equations with Navier slip boundary conditions.Nonlinear Anal. 70 (2009), no. 1, 553–562.

7.     Lefter, Cătălin; Sprekels, Jürgen Optimal boundary control of a phase field system modeling nonisothermal phase transitions. Adv. Math. Sci. Appl. 17 (2007), no. 1, 181–194.

8.     Barbu, Viorel; Lefter, Cătălin Optimal control of ordinary differential equations. Handbook of differential equations: ordinary differential equations. Vol. II, 1–75, Elsevier B. V., Amsterdam, 2005.

9.     De Maio, U.; Gaudiello, A.; Lefter, C. Optimal control for a parabolic problem in a domain with highly oscillating boundary. Appl. Anal. 83 (2004), no. 12, 1245–1264.

10.  Gaudiello, Antonio; Gustafsson, Björn; Lefter, Catalin; Mossino, Jacqueline Asymptotic analysis for monotone quasilinear problems in thin multidomains. Homogenization, 2001 (Naples), 245–249, GAKUTO Internat. Ser. Math. Sci. Appl., 18, Gakkōtosho, Tokyo, 2003.

11.  Barbu, Viorel; Lefter, Cătălin Internal stabilizability of the Navier-Stokes equations. Optimization and control of distributed systems. Systems Control Lett. 48 (2003), no. 3-4, 161–167.

12.  Gaudiello, Antonio; Gustafsson, Björn; Lefter, Catalin; Mossino, Jacqueline Asymptotic analysis of a class of minimization problems in a thin multidomain. Calc. Var. Partial Differential Equations 15 (2002), no. 2, 181–20.

13.  Gaudiello, Antonio; Gustafsson, Björn; Lefter, Cătălin; Mossino, Jacqueline Asymptotic analysis for monotone quasilinear problems in thin multidomains. Differential Integral Equations 15 (2002), no. 5, 623–640.

14.  Barbu, Viorel; Lefter, Catalin; Tessitore, Gianmario A note on the stabilizability of stochastic heat equations with multiplicative noise. C. R. Math. Acad. Sci. Paris 334 (2002), no. 4, 311–316.

15.  Lefter, Cătălin Critical point theorems for lower semicontinuous functionals. An. Ştiinţ. Univ. Al. I. Cuza Iaşi. Mat. (N.S.) 47 (2001), no. 1, 189–198 (2002).

16.  Lefter, Cătălin On the Ginzburg-Landau energy with a weight vanishing at the boundary. Nonlinear Anal.43 (2001), no. 3, Ser. A: Theory Methods, 325–337.

17.  Ignat, L.; Lefter, C.; Radulescu, V. D. Minimization of the renormalized energy in the unit ball of R2.Nieuw Arch. Wiskd. (5) 1 (2000), no. 3, 278–280.

18.  Gaudiello, Antonio; Gustafsson, Björn; Lefter, Catalin; Mossino, Jacqueline Coupled and uncoupled limits for a N-dimensional multidomain Neumann problem. C. R. Acad. Sci. Paris Sér. I Math. 330 (2000), no. 11, 985–990.

19.  Lassoued, Lotfi; Lefter, Cătălin On a variant of the Ginzburg-Landau energy. NoDEA Nonlinear Differential Equations Appl. 5 (1998), no. 1, 39–51.

20.  Lefter, Cătălin; Rădulescu, Vicenţiu Asymptotics for the minimizers of the Ginzburg-Landau energy with vanishing weight. Adv. Math. Sci. Appl. 7 (1997), no. 1, 261–273.

21.  Lefter, Cătălin; Rădulescu, Vicenţiu Minimization problems and corresponding renormalized energies.Differential Integral Equations 9 (1996), no. 5, 903–917.

22.  Lefter, Cătălin; Rădulescu, Vicenţiu D. On the Ginzburg-Landau energy with weight. Ann. Inst. H. Poincaré Anal. Non Linéaire 13 (1996), no. 2, 171–184

23.  Lefter, Cătălin; Rădulescu, Vicenţiu Minimization problems and renormalized energies related to the Ginzburg-Landau equation. An. Univ. Craiova Ser. Mat. Inform. 22 (1995), 1–13 (1997).

24.  Lefter, Cătălin; Rǎdulescu, Vicenţiu Convergence properties for general solutions of the Ginzburg-Landau equation with weight. Rev. Roumaine Math. Pures Appl. 40 (1995), no. 7-8, 633–639.

25.  Lefter, Cătălin; Rădulescu, Vicenţiu The renormalized energy associated to a harmonic map. Panamer. Math. J. 5 (1995), no. 3, 1–7.

26.  Lefter, Cătălin; Rădulescu, Vicenţiu On the Ginzburg-Landau energy with vanishing weight. An. Univ. Craiova Ser. Mat. Inform. 21 (1994), 3–11 (1995).

27.  Lefter, Cătălin; Rădulescu, Vicenţiu D. On the Ginzburg-Landau energy with weight. C. R. Acad. Sci. Paris Sér. I Math. 319 (1994), no. 8, 843–848.

28.  Lefter, Cătălin; Motreanu, Dumitru Critical point methods in nonlinear eigenvalue problems with discontinuities. Optimization, optimal control and partial differential equations (Iaşi, 1992), 25–36, Internat. Ser. Numer. Math., 107, Birkhäuser, Basel, 1992.