Inexact Fast Multipole Boundary Element Tearing and Interconnecting Methods

1 Johannes Kepler University Linz, Institute of Computational Mathematics (http://www.numa.uni-linz.ac.at/) 2 Austrian Academy of Sciences, Johann Radon Institute for Computational and Applied Mathematics, (http://www.ricam.oeaw.ac.at/) 3 University of Stuttgart, Institute for Applied Analysis and Numerical Simulation (http://www.ians.uni-stuttgart/LstAngMath/) 4 TU Graz, Institute of Mathematics, (http://www.numerik.math.tu-graz.ac.at)