The AEI in Potsdam hosts five independent research groups including a permanent one that specializes in geometry and gravitation. The other independent research groups ar working on black hole theory, theoretical cosmology, quantum fields and information, and in history of quantum gravity (in collaboration with the MPI for the History of Science in Berlin). AEI Hannover hosts three independent research groups: one is permanent and is working on continuous gravitational waves, another one works on binary merger observations and numerical relativity, and the third one is a Lise Meitner Group focusing on gravitational theory and cosmology.
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