On Large-Scale Diagonalization Techniques for the Anderson Model of Localization O Schenk, M Bollhöfer, RA Römer SIAM Review 50 (1), 91-112, 2008 | 244 | 2008 |

Multilevel preconditioners constructed from inverse-based ILUs M Bollhöfer, Y Saad SIAM Journal on Scientific Computing 27 (5), 1627-1650, 2006 | 179 | 2006 |

Algebraic multilevel preconditioner for the Helmholtz equation in heterogeneous media M Bollhöfer, MJ Grote, O Schenk SIAM Journal on Scientific Computing 31 (5), 3781-3805, 2009 | 110 | 2009 |

JADAMILU: a software code for computing selected eigenvalues of large sparse symmetric matrices M Bollhöfer, Y Notay Computer Physics Communications 177 (12), 951-964, 2007 | 100 | 2007 |

A robust ILU with pivoting based on monitoring the growth of the inverse factors M Bollhöfer Linear Algebra and its Applications 338 (1-3), 201-218, 2001 | 88 | 2001 |

Stable discretization of the Boltzmann equation based on spherical harmonics, box integration, and a maximum entropy dissipation principle C Jungemann, AT Pham, B Meinerzhagen, C Ringhofer, M Bollhöfer Journal of Applied Physics 100 (024502), 1-13, 2006 | 85 | 2006 |

On the relations between ILUs and factored approximate inverses M Bollhöfer, Y Saad SIAM J. Matrix Anal. Appl. 24 (1), 219-237, 2002 | 74* | 2002 |

Exploiting thread-level parallelism in the iterative solution of sparse linear systems JI Aliaga, M Bollhöfer, A Martin, E Quintana-Orti Parallel Computing 37 (3), 183-202, 2011 | 70* | 2011 |

A robust and efficient ILU that incorporates the growth of the inverse triangular factors M Bollhöfer SIAM Journal on Scientific Computing 25 (1), 86-103, 2003 | 65 | 2003 |

Numerische Mathematik M Bollhöfer, V Mehrmann Vieweg+ Teubner, 2004 | 54* | 2004 |

ILUPACK-preconditioning software package M Bollhöfer, Y Saad | 40* | 2011 |

A factored approximate inverse preconditioner with pivoting M Bollhöfer, Y Saad SIAM Journal on Matrix Analysis and Applications 23 (2), 692-705, 2002 | 37* | 2002 |

Algebraic multilevel methods and sparse approximate inverses M Bollhöfer, V Mehrmann SIAM Journal on Matrix Analysis and Applications 24 (1), 191-218, 2002 | 33 | 2002 |

Numerical algebra, matrix theory, differential-algebraic equations and control theory P Benner, M Bollhöfer, D Kressner, C Mehl, T Stykel Springer International Publishing Switzerland, 2015 | 30 | 2015 |

Numerical algebra, matrix theory, differential-algebraic equations and control theory P Benner, M Bollhöfer, D Kressner, C Mehl, T Stykel Springer International Publishing Switzerland, 2015 | 30 | 2015 |

Parallelization of multilevel ILU preconditioners on distributed-memory multiprocessors JI Aliaga, M Bollhöfer, AF Martín, ES Quintana-Ortí Applied Parallel and Scientific Computing, 162-172, 2010 | 28 | 2010 |

Multilevel preconditioning for 3D large-scale soft field medical applications modelling L Horesh, M Schweiger, M Bollhöfer, A Douiri, DS Holder, SR Arridge Int. J. of Information and Systems Sciences 2 (4), 532-556, 2006 | 26 | 2006 |

Adaptive-order rational Arnoldi-type methods in computational electromagnetism A Bodendiek, M Bollhöfer BIT Numerical Mathematics 54 (2), 357–380, 2014 | 22* | 2014 |

ILUPACK JI Aliaga, M Bollhöfer, AF Martın, ES Quintana-Ortı Encyclopedia of Parallel Computing, 917-926, 2012 | 22* | 2012 |

On the efficient update of rectangular LU factorizations subject to low rank modifications P Stange, A Griewank, M Bollhöfer | 21 | 2006 |