Fargo, N.D. — A research article written by Sean Sather-Wagstaff, assistant professor of mathematics at NDSU, has been identified as one of the top 10 most cited articles from the journal, Communications in Algebra, from the years 2006 to 2010. The article, "Reflexivity and Ring Homomorphisms of Finite Flat Dimension," was co-written with Anders Frankild of the University of Copenhagen and appeared in 2007. It deals with some aspects of the homological theory of complexes and ring homomorphisms.