- 2001-2003, Project DFG - Solar granulation - principal investigators: H. Wöhl, A. Kucera, J. Rybák
- 2001-2003, Slovak-Czech project - Complex investigation of cool chemically peculiar stars - principal investigator: J. Ziznovský
- 2003-2005, Slovak-Chinese project - Study of magnetic fields, corona and prominences in the solar corona over a solar cycle - principal investigator: V. Rušin
- 2001-2003, Project EOARD - Comparison and cross-calibration of green line coronal data from the Astronomical Institute of the Slovak Academy of Sciences with measurements from coronal stations at Sacramento Peak Observatory (USA), and Mt. Norikura (Japan) - principal investigator: V. Rušin
- 2001-2003, Project CNR-SAV - Effects of nongravitational forces on the orbital energy of comets - principal investigators: E. Pittich
- 2001-2003, Project CNR-SAV - Population of meteoroids near the Earth orbit and their interaction with the atmosphere - principal investigators: V. Porubcan
- 2001-2003, Project CNR-SAV - La struttura matematica del tempo soggetivo - principal investigators: R. Buccheri, M. Saniga
- 2002-2006, Project EU HPRN-CT - European solar magnetism network - principal investigators: R. Rutten, A. Kucera
- 2003-2005, Project AV CR-SAV - Research of cataclismic variables - project INTEGRAL - principal investigators: L. Hric
- 2003-2003, Marie Curie fellowship - Modelling of the time evolution of the solar photosphere - principal investigators: J. Koza
- 2003-2004, USA NSF-NATO fellowship - Doppler tomography and radiative transfer in Algol type binaries - principal investigators: J. Budaj
Jan Rybak
2004-06-11