A. Eftekhari,
L. Gaedke-Merzhäuser,
D. Pasadakis,
M. Bollhöfer,
S. Scheidegger,
O. Schenk.
Algorithm1042: Sparse Precision Matrix Estimation With SQUIC.
ACM Transactions on Mathematical Software 50(2):13:1-13:18, 2024 DOI:10.1145/3650108, Collected Algorithms. |
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L. Hermann, M. Bollhöfer, U Römer.
Statistical reduced order modelling for the parametric Helmholtz equation.
arXiv:2407.04438, DOI:10.48550/arXiv.2407.04438, submitted. |
Y. Hüpel, U. Römer, M. Bollhöfer, S. Langer.
Efficient low rank model order reduction of vibroacoustic problems under stochastic loads.
arXiv:2408.08402, DOI:10.48550/arXiv.2408.08402, submitted. |
D. Pasadakis, M. Bollhöfer, and O. Schenk.
Sparse Quadratic Approximation for Graph Learning.
IEEE Transactions on Pattern Analysis and Machine Intelligence 45(9):11256-11269, 2023 DOI:10.1109/TPAMI.2023.3263969. |
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Matthias Bollhöfer, Olaf Schenk, Fabio Verbosio.
A High Performance Level-Block Approximate LU Factorization Preconditioner Algorithm.
Applied Numerical Mathematics 162:265-282, 2021. ISSN: 0168-9274. DOI:10.1016/j.apnum.2020.12.023. |
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A. Eftekhari, D. Pasadakis, M. Bollhöfer, S. Scheidegger, and O. Schenk.
Block-Enhanced Precision Matrix Estimation for Large-Scale Datasets.
Journal of Computational Science 53(101389):1-13, 2021. ISSN: 1877-7503. DOI:10.1016/j.jocs.2021.101389. |
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U. Römer, M. Bollhöfer, H. K. Sreekumar, C. Blech, S. C. Langer.
An adaptive sparse grid rational Arnoldi method for uncertainty
quantification of dynamical systems in the frequency domain.
International Journal for Numerical Methods in Engineering 122(20):5487-5511, 2021. ISSN: 1097-0207. DOI:10.1002/nme.6761. |
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Patrick Sanan, Dave A. May, Matthias Bollhöfer, and Olaf Schenk.
Pragmatic Solvers for 3D Stokes and Elasticity Problems with Heterogeneous Coefficients: Evaluating Modern Incomplete
LDLT Preconditioners.
Solid Earth 11:2031-2045, 2020. DOI:10.5194/se-2020-79. |
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M. Bollhöfer, A. Eftekhari, S. Scheidegger, and O. Schenk.
Large-Scale Sparse Inverse Covariance Matrix Estimation.
SIAM J. Sci. Comput., 41(1), A380-A401, 2019. DOI:10.1137/17M1147615. |
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Amin Rafiei, Matthias Bollhöfer, Fayssal Benkhaldoun.
A block version of left-looking AINV preconditioner with one by one or
two by two block pivots.
Applied Mathematics and Computation 350 (2019) 366-385. DOI:10.1016/j.amc.2019.01.012. |
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