Jim Loy's Mathematics Page: Articles on geometry, algebra, number theory, and many other branches of mathematics.Lang, William E.: Brigham Young University. Contact information.Leon, Antonio: Scientific publications on Mathematics, Biology and History of Science.Lessard, Jean-Philippe: Ph.D. student in Applied Mathematics at Georgia Tech.Lieb, Elliott: Professor of Mathematics and Physics, Princeton University. Mathematical Physics, Functional Analysis, Condensed Matter Physics.