Collaborations

Vahe Gurzadyan and Roger Penrose

California Institute of Technology: observational cosmology

Landau Institute for Theoretical Physics, Moscow: theoretical cosmology

Institute d’Astrophysique, Paris: X-ray clusters of galaxies

Sapienza University, Rome, University of Salento, Lecce, : LARES satellite mission, galactic halos

Laboratoire d’Astrophysique, Lausanne: astrophysical data analysis, gravitational lensing