
referee for the following journals

Linear Algebra and its Applications 

Linear and Multilinear Algebra 

SIAM Journal on Matrix Analysis and
Applications 

Electronic Journal of Linear Algebra 


reviewer of Mathematical Review 

external examiner of University of Hong Kong 

coorganizer of the following meetings:

1999 Conference on Multiwavelets: theory and
applications at Huntsville, Texas 

2001 Southern California Matrix
Conference at San Jose, California 


judge for the following math/science fair

2001 Intel Science Fair 

2002 MAA Math Fair 
