1. Department of Mathematics, School of Computation, Information and Technology, Technical University of Munich, 85748 Garching bei München, Germany; Munich Data Science Institute, Technical University of Munich, 85748 Garching bei München, Germany; and Complexity Science Hub Vienna, 1080 Vienna, Austria.
2. Department of Mathematics, School of Computation, Information and Technology, Technical University of Munich, 85748 Garching bei München, Germany.