LIST OF PUBLICATIONS

                 Adriana Buică
         Department of Applied Mathematics
        Babeş-Bolyai University, Cluj-Napoca

   Books.  

·        Principii de coincidenţă si aplicaţii, (Coincidence principles and applications),  Presa Universitară Clujeană (Cluj University Press), Cluj-Napoca, 2001.

·        Periodic solutions of nonlinear systems, Presa Universitară Clujeană (Cluj University Press), Cluj-Napoca, 2006.
 

   Papers.

    •  (with Isaac García)  Periodic solutions of some perturbed symmetric Euler top, Preprint 2009.
    • (with Jaume Llibre and  Jaume Giné)  Bifurcation of limit cycles from a polynomial degenerate center, Advanced Nonlinear Studies, accepted.
    • (with Jaume Llibre and Oleg Makarenkov), Lipschitz generalization of Malkin result on the existence and uniqueness of periodic solutions, Preprint 2009.
    • (with Jaume Llibre and Oleg Makarenkov), Second Bogolubov's theorem for Lipschitz systems and bifurcations of asymptotically stable periodic solutions in differential equations with jumping nonlinearities, Preprint 2008.

                    2009

    •  (with Jaume Llibre and Oleg Makarenkov), Asymptotic stability of periodic solutions for nonsmooth differential equations with application to the nonsmooth van der Pol oscillator,  SIAM Journal on  Mathematical  Analysis  40 (2009),  2478-2495.

2008

    •  (with Jaume Llibre and Oleg Makarenkov), To Mitropol’skii Yu. A. theorem on periodic solutions of systems of nonlinear differential equations with non-differentiable right-hand-sides, Doklady Mathematics  78 (2008), 525–527.
    • Contributions to coincidence degree theory of asymptotically homogeneous operators, Nonlinear Analysis  68 (2008), 1603-1610.   

2007

    •  (with Aris Daniilidis) Stability of periodic solutions for Lipschitz systems obtained via the averaging method,  Proceedings of the American Mathematical Society  135 (2007), 3317–3327. 
    • (with Armengol Gasull and Jiazhong Yang) The third order Melnikov function of a quadratic center under quadratic perturbations,  Journal of Mathematical Analysis and Applications 331 (2007), 443–454.
    • (with Veronica Ana Ilea) Periodic solutions for mixed functional differential equations, Journal of Mathematical Analysis and Applications  330 (2007), 576–583 .
    • (with Jean-Pierre Françoise and Jaume Llibre) Periodic solutions of nonlinear periodic differential systems with a small parameter, Communications on Pure and Applied Analysis  6 (2007), 103–111 .
    •  (with Jaume Llibre) Limit cycles of a perturbed cubic polynomial differential center, Chaos, Solitons and Fractals  32 (2007), 1059–1069 .     

2006

    • (with  Jürgen Appell)  Numerical ranges for pairs of operators, duality mappings with gauge function, and spectra of nonlinear operators,  Mediterranean Journal of Mathematics  3 (2006), 1–14 .
    • (with Radu Precup)  Note on the abstract generalized quasilinearization method, Revue d´ Analyse Numérique et de Théorie de l´ Approximation  35 (2006), 11-15.

2005

    • (with Jaume Llibre) Bifurcation of limit cycles from a 4-dimensional center in control systems, International Journal of Bifurcation  and Chaos   15 (2005), 2653–2662 .      
    • Quasilinearization method for nonlinear elliptic boundary value problems,  Journal of Optimization Theory and Applications  124 (2005), 323–338 .

2004

2003

2002

2001

2000

1996 – 1993

    • Data dependence theorems on coincidence problems, Studia Univ. Babeş-Bolyai (Mathematica) 41 (1996), 33-40.
    • Existence and continuous dependence of solutions of some functional-differential equations, Seminar on Fixed Point Theory, Preprint 3 (1995), 1-13.
    • On the Cauchy problem for a functional-differential equation, Seminar on Fixed Point Theory, Preprint 3 (1993), 17-19.