Kris Garrett
Postdoctoral Research Associate
Oak Ridge National Laboratory
garrettck@ornl.gov
Interests
Numerical Solutions to Kinetic Transport Equations
High Performance Computing
Numerical Linear Algebra
Numerical Solutions to ODEs
Curriculum Vitae
cv.pdf
Papers

Optimization and Large Scale Computation of an Entropy Based Moment Closure
C. Kristopher Garrett, Cory Hauck, and Judith Hill
(submitted for publication)

A Nonlinear QR Algorithm for Unstructurally Banded Nonlinear Eigenvalue Problems
C. Kristopher Garrett, Zhaojun Bai, and RenCang Li
(accepted pending revision at ACM Transactions on Mathematical Software)
Software

On the Eigenstructure of Spherical Harmonic Equations for Radiative Transport
C. Kristopher Garrett, and Cory D. Hauck
Computers and Mathematics with Applications (2015)

GIP Integrators for Matrix Riccati Differential Equations
C. Kristopher Garrett and RenCang Li
Applied Mathematics and Computation, 241:283297 (2014)

A Comparison of Moment Closures for Linear Kinetic Transport Equations:
The Line Source Benchmark
C. Kristopher Garrett and Cory D. Hauck
Transport Theory and Statistical Physics, 42:203235 (2013)

Numerical Integration of Matrix Riccati Differential Equations with
Solution Singularities
C. Kristopher Garrett
Ph.D. Dissertation (2013)

Fast Polynomial Approximations to Sine and Cosine
C. Kristopher Garrett
Technical Report (2012)
Software

Neural Decoding and Modulation in Patients with Tetraplegia
Problem 6 of the Sixteenth Mathematical and Statistical Modeling Workshop for Graduate Students
(2010)
Charles Kristopher Garrett, Matthew Labrum, Martial Longla, Guyvanie Marcias Miakonkana, Varada Sarovar, Guolin Zhao
Full Paper:
http://www.ncsu.edu/crsc/reports/ftp/pdf/crsctr1016.pdf