1. Analytic Extrapolation of Scattering Amplitude, Scientific Meeting, 1988, Department of Physics, University of Craiova.
2. Generalized Momentum Problem, Scientific Meeting, 1990, Department of Physics, University of Craiova.
3. The category of abstract dynamical systems, Scientific Meeting, 1991, Department of Physics, University of Craiova.
4. Non-Commutative Momentum Problem, Scientific Meeting, 1992, Department of Physics, University of Craiova.
5. Analytic Solutions of the M. Riesz Problem. Scientific Meeting, 1993, Department of Physics, University of Craiova.

(b) Participari la conferinte/ workshop-uri internationale

1. International Workshop on Statistical Physics, Poiana Brasov, Romania, September 01-17,1979.
2. International Workshops on Mathematical Physics, Poiana Brasov, Romania, September 1981, 1983, 1985, 1987.
3. International Workshop on Nuclear Physics, Poiana Brasov, Romania, September 1988.
4. International Workshop on Nuclear Structure, Predeal, 1991, Romania, September 1988.
5. Physics and Contemporary Needs, International Nathiagali Summer College, 26 June-09 July 1992, Pakistan.
6. International Working Group, Fusion BFR, Sinaia, September 1999.
7. International Working Group, Fusion BFR, Bucharest, October 2000.
8. International Working Group, Fusion BFR, Craiova, September 2001.
9. International Working Group, Fusion BFR, Craiova, September 2002.
10. International Working Group, Fusion BFR, Cadarache, October 2003.
11. International Working Group, Fusion BFR, Craiova, August 2004.
12. International Working Group, Fusion BFR, Craiova, September 2005.

(c) Expuneri la conferinte internationale

[1] J. Neamtu, G. Steinbrecher, C. Ristoscu, and I. N. Mihailescu: Numerical description of the interaction between plasma and high-intensity laser pulses of ns. duration. Presented at International Conference on Advanced Laser Technologies, Potenza-Lecce, Italy, 22-24 September 1999.
[2]. R. Balescu, D. Constantinescu, J. H. Misguich, J. D. Reuss, G. Steinbrecher, M. Vlad, F. Spineanu, B. Weyssow: "Intermittency, Subdiffusion and Noble I.T.B. Cantori for Toroidal Lines in a Hamiltonian Map", presented at the Conference on Chaotic Transport and Complexity, 26-30 July 2000, Carry-le-Rouet, France.
[3]. R. Balescu, D. Constantinescu, J. H. Misguich, J. D. Reuss, G. Steinbrecher, M. Vlad, F. Spineanu, B. Weyssow: "Dynamics of the Chaotic Magnetic Lines in a Tokamak Model: Double ITB on Noble q-Values Surrounding a Main Rational", presented at the EU-USA Transport Task Force Meeting on Transport Barriers, Varena, 4-7 September 2000.
[4]. R.Balescu, G. Steinbrecher, " Perturbative kinetic theory study of the area preserving maps"; T.E.C Conference, Bruxelles, Royal Military School, 14 November 2001.

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