Gunnar Martinsson

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


Appointments: 
Professor of Mathematics, University of Texas at Austin. W. A. "Tex" Moncrief, Jr., Endowed Chair No. 4 in SimulationBased 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. 
Publications: 
Downloadable here. 
Teaching: 
Previous classes. 2018 Oxford MSc course Randomized algorithms for matrix computations and data analysis. material. 2016 PCMI summer school on Mathematics of Data material. 2014 NSF/CBMS conference on Fast Direct Solvers for Elliptic PDEs material. 
Presentations: 
Slides of some talks are available here.

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