Daeshik Choi (CV)

("Daeshik" is pronounced exaxtly as "desic" in the term "Geodesic".)

in Skagit Valley

Graduate Student

C331 Padelford Hall
Department of Mathematics
University of Washington
Seattle, WA 98195, USA

Email: ds77choi (at) math (dot) washington (dot) edu
Office: PDL C-331

Research

I'm currently studying numerical linear algebra and matrix theory under Anne Greenbaum.

Publications

A sharp bound on the convergence rate of an aggregation-based algebraic multigrid method applied to a 1D model problem, preprint
A proof of Crouzeix's conjecture for a class of matrices, Lin. Alg. Appl. (2013), pp. 3247-3257
Crouzeix's conjecture and Perturbed Jordan blocks, with Anne Greenbaum, Lin. Alg. Appl. (2012), pp. 2342-2352

Links

Mathematical Triangles (educational software made for my wife's Master thesis in Mathematics Education)
Matrix Market (convenient access to a repository of test data)
EigTool (computing pseudospectra of dense and sparse matrices)
Armadillo (C++ linear algebra library)
Eigen (C++ template library for linear algebra)
Template Numerical Toolkit (TNT)
Chapel (parallel programming language developed by Cray)
SDPT3 (a MATLAB software for semidefinite-quadratic-linear programming)