1999-2002 National Science Foundation Research Grant, as the PI. 1999-2002 Louisiana Education Quality Support Fund Group Grant, as an OI (with Wu). 1997-1999 National Science Foundation Research Grant, as the PI. 1997-1997 Louisiana State University Faculty Summer Research Grant, as the PI. 1994-1997 National Science Foundation Research Grant, as the PI. 1992-1994 Louisiana Education Quality Support Fund Group Grant, as a Co-PI (with Oxley, Oporowski, and Chari). 1992-1992 Louisiana State University Faculty Summer Research Grant, as the PI.