Andreas Mueller, Michal Kopera, Simone Marras, Lucas C. Wilcox, Tobin Isaac, Frank Giraldo.
Strong Scaling for Numerical Weather Prediction at Petascale with the Atmospheric Model NUMA.
IEEE 2016 International Parallel & Distributed Processing Symposium (IPDPS) (Submitted).
Carsten Burstedde, Tobin Isaac.
Morton Curve Segments Produce No More than Two Distinct Face-connected Subdomains.
International Journal of Computer Mathematics (Submitted).
Tobin Isaac, Matthew G. Knepley.
Support for Non-conformal Meshes in PETSc's DMPlex Interface.
ACM Transactions on Mathematical Software (Submitted).


Hongyu Zhu, Noémi Petra, Georg Stadler, Tobin Isaac, Thomas J. R. Hughes, Omar Ghattas.
Inversion of geothermal heat flux in a thermomechanically coupled nonlinear Stokes ice sheet model.
The Cryosphere (2016).


Johann Rudi, A. Cristiano I. Malossi, Tobin Isaac, Georg Stadler, Michael Gurnis, Peter W. J. Staar, Yves Ineichen, Costas Bekas, Alessandro Curioni, Omar Ghattas.
An Extreme-Scale Implicit Solver for Complex PDEs: Highly Heterogeneous Flow in Earth's Mantle.
SC15: The International Conference for High Performance Computing, Networking, Storage and Analysis (2015).
Tobin Isaac, Carsten Burstedde, Lucas C. Wilcox, Omar Ghattas.
Recursive Algorithms for Distributed Forests of Octrees.
SIAM Journal on Scientific Computing (2015).
Tobin Isaac, Noémi Petra, Georg Stadler, Omar Ghattas.
Scalable and Efficient Algorithms for the Propagation of Uncertainty from Data through Inference to Prediction for Large-scale Problems, with Application to Flow of the Antarctic Ice Sheet.
Journal of Computational Physics (2015).
Tobin Isaac, Georg Stadler, Omar Ghattas.
Solution of Nonlinear Stokes Equations Discretized by High-order Finite Elements on Nonconforming and Anisotropic Meshes, with Application to Ice Sheet Dynamics.
SIAM Journal on Scientific Computing (2015).
Tobin Isaac.
Scalable, Adaptive Methods for Forward and Inverse Problems in Continental-Scale Ice Sheet Modeling.
University of Texas at Austin (2015).


Craig Michoski, Dmitry Meyerson, Tobin Isaac, François Waelbroeck.
Discontinuous Galerkin Methods for Plasma Physics in the Scrape-off Layer of Tokamaks.
Journal of Computational Physics (2014).
Tobin Isaac, Carsten Burstedde, Omar Ghattas.
Low-Cost Parallel Algorithms for 2:1 Octree Balance.
IEEE 2012 International Parallel & Distributed Processing Symposium (IPDPS) (2012).

There is an error in Algorithm 7: line 3 reads \(\mathbf{\text{for all}}\ o\in R\ \mathbf{\text{do}}\); it should read \(\mathbf{\text{for all}}\ o\in R\cup R^{\text{new}}\ \mathbf{\text{do}}\).
Carsten Burstedde, Omar Ghattas, Michael Gurnis, Tobin Isaac, Georg Stadler, Tim Warburton, Lucas C. Wilcox.
Extreme-Scale AMR.
SC10: The International Conference for High Performance Computing, Networking, Storage and Analysis (2010).
Samuel F. Feng, Tobin Isaac, Nan Xiao.
A Simulation-Driven Approach for a Cost-Efficient Airport Wheelchair.
UMAP Journal (2006).