Recent talks (2004-2008)

        2004

• Particle acceleration and Radio emission from complex active regions, in CESRA workshop, Isle of Sky, Scotland, 7-11 June, 2004  (slides   , article   )
• Energy release and particle acceleration in stressed magnetic topologies , in COSPAR, Paris, France, 18-25 July, 2004 (slides   )
• Acceleration of Particles (Summary), in RHESSI workshop, Paris, France, 26-28 July, 2004 (slides   )

       2005

• Turbulence and fine scale structures in solar and astrophysical plasmas , in the Workshop at Castello di Montegufoni, Florence, Italy, 2005 ( slides , text )
• Nonlinear interaction of gravitational waves with particles , in the International workshop, Thessaliniki, Greece, 2005 ( text )
• Is the the universe hostile to life? Third international Nuclera Medicine Meeting, Thessaloniki, Greece 2005 (slides   )

      2006

• Particle acceleration and high energy emission from the sun , International School of Space Plasmas, L' Aquila, Italy, 2006 (slides   )
• Cosmic particle acceleration: From solar system to AGN , IAU General Assembly, Prague, 2006  ( text )

         2007

• Complexity in Solar and stellar active regions , in Chaos in Astronomy, Athens, Greece 2007 (slides , text )
• Normal and anomalous diffusion: Tutoria, Non linear Science and Complexity, 20th Summers school and conference, Patras, Greece 2007 (slides , text )
  

         2008

• How an active region works? in Coronal mass Ejection and Flares: new insights with SMESE, paris, 2008 ( slides )
• Energy storage and relese in solar active regions, in Universal Heliospheric processes, IAU 257, Ioannina, Greece 2008 ( slides   )