CCMA director Jinchao Xu was recently rated 5th in the world in number of citations for mathematics (excluding statistics) for the period 1991-2001 by the Institute for Scientific Information (see Science Watch, May/June 2002, Vol. 13, No. 3, see also AMSTAT News, January 2003), and 2nd in the rate of citation of his papers for the period 1991-2001 (see AMSTAT Forum, April 2003). Penn State ranked 20th in the ISI list “Mathematics Research: Institutions Ranked by Citations” for the same time period.
