Reference:

The objectives of the international Workshop "Unsolved Problems in Astrophysics and Cosmology (UPAC)" are to bring together the leading scientists in those fields of Astrophysics and Cosmology that hold the promise of answering the most fundamental questions about the Universe, and to provide a forum to chart the path to progress.

Organizers:
H. Peiris (U. College London)
R. Jimenez (ICREA, ICC, U. Barcelona)
C. Pena-Garay (IFIC, CSIC, U. Valencia)