Home Astrophysical and Cosmological Relativity Cooperations Cooperations of the Astrophysical and Cosmological Relativity Division Master of science in astrophysics at the University of Potsdam LIGO Scientific Collaboration Laser Interferometer Space Antenna (LISA) European Pulsar Timing Array (EPTA) University of Maryland Research Training Group "Rethinking Quantum Field Theory" at Humboldt University