Conferences:


  1. International Workshop on "Laser-Plasma Interaction at Ultra-High Intensity", April 2012, Dresden (Germany). Keynote invited talk on:"Tests of classical and quantum electrodynamics with strong laser fields".
  2. Meeting on "Science with PW-class lasers", January 2012, Paris (France). Invited talk on:"Theoretical perspectives with Petawatt-class lasers".
  3. Sino-German Symposium on Laser Acceleration and Applications of Lasers at Accelerators, December 2011, Beijing (China). Invited talk on: "Tests of classical and quantum electrodynamics with strong laser fields".
  4. International Symposium on Ultrafast Intense Laser Science, October 2011, Eisenach (Germany). Invited talk on: "Tests of classical and quantum electrodynamics with strong laser fields''.
  5. Workshop on Petawatt Lasers at Hard X-Ray Sources, September 2011, Dresden (Germany). Invited talk on: "Classical and quantum electrodynamics effects in intense laser pulses''.
  6. Theory Symposium Helmholtz Institut Jena, June 2011, Dornburg (Germany). Invited talk on: "Testing strong-field CED and QED with intense laser pulses''.
  7. Harnessing Relativistic Plasma Waves as Novel Radiation Sources from Terahertz to X-rays and Beyond, April 2011, Prague (Czech Republic). Invited talk on: "Classical and Quantum Radiation Reaction in Intense Laser Fields".
  8. EMMI Workshop, September 2010, Speyer (Germany). Invited talk on: "Testing Strong-Field CED and QED with Intense Laser Fields".
  9. International Laser Physics Workshop, July 2010, Foz do Iguaçu (Brazil). Invited talk on: "Testing Strong-Field CED and QED with Intense Laser Fields".
  10. DPG Conference, March 2010, Hannover(Germany). Invited talk on: "Testing Strong-Field CED and QED with Intense Laser Fields".
  11. SILMI Symposium on Frontiers in Intense Laser-Matter Interactions Theory, March 2010, Garching (Germany). Invited talk on: "Testing Strong-Field CED and QED with Intense Laser Fields".
  12. 18th International Laser Physics Workshop, July 2009, Barcelona (Spain). Invited talk on: "Refractive QED Effects in Intense Laser Fields".
  13. Tenth Workshop on Non-Perturbative Quantum Chromodynamics, June 2009, Paris (France). Invited talk on: "Refractive QED Effects in Strong Laser Fields".
  14. Workshop on Advanced QED Methods for Future Accelerators, March 2009, Daresbury (England). Invited talk on: "Vacuum polarization effects in intense laser fields".
  15. ELI Workshop and School on "Fundamental Physics with Ultra-High Fields", September-October 2008, Fraueninsel (Germany). Invited lecture on: "Birefringence and quantum effects of the vacuum in strong laser beams".
  16. XI International Conference on Multiphoton Processes (ICOMP 2008), September 2008, Heidelberg (Germany). Invited talk on: "QED effects in intense laser fields".
  17. Workshop on Exotic Physics at Ultrahigh Laser Intensities, July 2008, Palaiseau (France). Invited talk on: "Vacuum-polarization effects in ultra-strong laser fields".
  18. International Symposium "Topical Problems of Nonlinear Wave Physics NWP-2008", July 2008, Nizhny Novgorod (Russia). Invited talk on: "QED effects in super strong laser beams".
  19. Trento Laser Workshop, June 2008, Trento (Italy). Invited talk on: "Quantum vacuum effects in intense laser fields".
  20. 35th EPS Plasma Physics Conference, June 2008, Crete (Greece). Invited talk on: "Quantum vacuum effects in strong laser beams".
  21. Laserlab Europe Workshop 2007, October 2007, Darmstadt (Germany). Invited talk on: "QED effects in strong laser fields".
  22. ULIS 2007, October 2007, Bordeaux (France). Talk on: "QED effects in strong laser fields".
  23. CEWQO 2007, June 2007, Palermo (Italy). Talk on: "Nonlinear interaction of strong laser fields in vacuum".
  24. ICONO/LAT Conference 2007, May-June 2007, Minsk (Belarus). Invited talk on: "QED effects in super strong fields".
  25. International Workshop on Atomic Physics, November 2006, Dresden (Germany). Poster on: "Vacuum Nonlinearities in Strong Laser Pulses".
  26. ELI Workshop 2006, November 2006, Garching (Germany). Talk on: "Vacuum Nonlinearities in Strong Laser Pulses".
  27. Fifteenth annual International Laser Physics Workshop (LPHYS'06), July 2006, Lausanne (Switzerland). Talk on: "Nonlinear Interactions of Strong Laser Fields in Vacuum".
  28. Plasma Theory Workshop on "Theory of Short Pulse Petawatt Laser Plasma Interaction", October 2005, Darmstadt (Germany). Invited talk on: "Vacuum Nonlinearities in Strong Laser Fields".
  29. International Conference on "Superstrong Fields in Plasmas", September 2005, Varenna (Italy). Poster on: "Harmonic generation from laser-driven vacuum".
  30. International Europhysics Conference on High Energy Physics EPS, July 2003, Aachen (Germany). Poster on: "Pair production in a strong magnetic field: the effect of a background gravitational field".
  31. LXXXVIII Congresso Nazionale della Società Italiana di Fisica, September 2002, Alghero (Italy). Talk on: "Photon production in strong magnetic fields".
  32. Quantum Electrodynamics and Statistical Physics 2001, October-November 2001, Kharkov (Ukraine). Talk on: "Very intense non static magnetic fields and particle production".
  33. LXXXVI Congresso Nazionale Società di Fisica Italiana, October 2000, Palermo (Italy). Talk on: "Harmonic generation by an idrogenoid one-dimensional atom: the role of the bounded and unbounded levels".
  34. International Conference LASER '99, December 1999, Quebec (Canada). Talk on: "Even and odd harmonics from a quasi degenerate two-level atom".