Gunnar Martinsson

Offices: POB 3.413; RLM 11.164.

Department of Mathematics,
University of Texas at Austin,
Stop C1200,
Austin, TX 78712-1202


Recent article on randomized methods for matrix computations and data analysis in SIAM News.

Professor of Mathematics, University of Texas at Austin.
W. A. "Tex" Moncrief, Jr., Endowed Chair No. 4 in Simulation-Based Engineering Sciences, ICES.
Visiting Professor of Applied Mathematics, University of Colorado at Boulder.
Affiliated Professor of Mathematics, Royal Inst. of Techn. (KTH), Stockholm.

Research Interests:
Randomized methods in numerical linear algebra.
Fast solvers for elliptic PDEs. O(N) direct solvers. Structured matrix computations.
Efficient algorithms for large data sets.
Numerical methods for scattering problems, computational fluid dynamics, acoustics, etc.
Applied harmonic analysis; fast multipole methods; boundary integral equation methods.
Modeling of heterogeneous materials; bandgap phenomena; lattice equations.
Details here.

Open positions:
Two postdoc positions available:
- Randomized methods in numerical linear algebra.
- Fast direct solvers.
Details here.

Downloadable here.

Teaching: Linear algebra and matrix theory, spring 2020.
Previous classes.
Presentations: Slides of some talks are available here.

Brief overview here (html). Excruciating detail here (pdf).