NERSCPowering Scientific Discovery for 50 Years

Lisa Claus

Lisa Claus, Ph.D.
HPC Performance Engineer
Application Performance
Fax: (510) 486-6459
One Cyclotron road
M/S 59R4010A
Berkeley, CA 94720

Biographical Sketch

Lisa Claus is a member of the User Engagement Group at NERSCHer background is in numerical mathematics and high performance computing. Before joining NERSC, Lisa completed her PhD in numerical mathematics at the University of Wuppertal (Germany) and did a postdoc in the Computational Research Division of Berkeley Lab. She is an active developer of the high-performance scalable software library STRUMPACK, which offers a direct solver and a preconditioner for large sparse linear systems.

Journal Articles

Yang Liu, Pieter Ghysels, Lisa Claus, Xiaoye Sherry Li, "Sparse Approximate Multifrontal Factorization with Butterfly Compression for High-Frequency Wave Equations", SIAM Journal on Scientific Computing, 2020, 43:S367-S391, doi: 10.1137/20M1349667

Lisa Claus, Matthias Bolten, "Nonoverlapping block smoothers for the Stokes equations", Numerical Linear Algebra with Applications, 2020, 28:e2389, doi: 10.1002/nla.2389

Conference Papers

Lisa Claus, Rob Falgout, Matthias Bolten, "AMG Smoothers for Maxwell's Equations", 2018,

Book Chapters

Christian Lengauer, Sven Apel, Matthias Bolten, Shigeru Chiba, Ulrich Rüde, Jürgen Teich, Armin Größlinger, Frank Hannig, Harald Köstler, Lisa Claus, Alexander Grebhahn, Stefan Groth, Stefan Kronawitter, Sebastian Kuckuk, Hannah Rittich, Christian Schmitt, Jonas Schmitt, "ExaStencils: Advanced Multigrid Solver Generation", Software for Exascale Computing - SPPEXA 2016-2019, (Springer International Publishing: 2020) Pages: 405--452


Lisa Claus, Fighting Climate Change with Computer Software, Berkeley Lab Research SLAM 2021, 2021,

Lisa Claus, High-Performance Multifrontal Solver with Low-Rank Compression, Berkeley Lab's 2021 Computing Sciences Area Postdoc Symposium, 2021,