Current Research

Research Interests

• Sparse Matrix Computation
• Numerical Linear Algebra
• Computational Complexity
• Parallel Computing
• Mathematical Software

Current Projects

SciDAC Institutes

• FASTMath – Frameworks, Algorithms, and Scalable Technologies for Mathematics

SciDAC Science Partnerships

Basic Energy Sciences

• Advanced Modeling of Ions in Solutions, on Surface, and in Biological Environments
• Charge Transfer and Charge Transport in Photoactivated Systems: Developing Electron-Correlated Methods for Excited State Structure and Dynamics in the NWChem Software Suite
• Simulating The Generation, Evolution and Fate of Electronic Excitations in Molecular and Nanoscale Materials With First Principles Methods

Biological and Environmental Research

• Predicting Ice Sheet and Climate Evolution at Extreme Scales (PISCEES)

High Energy Physics

• Community Project for Accelerator Science and Simulation (ComPASS)

Nuclear Physics

• Nuclear Computational Low-Energy Initiative (NUCLEI)
• A Multi-Scale Approach to Nuclear Structure and Reactions: Forming the Computational Bridge between Lattice QCD and Nonrelativistic Many-Body Theory (CalLAT)