Lizhen Ji,  Professor 1834 East Hall Phone:  (734) 936-4821 Email:  lji@umich.edu Research Area(s): Analysis/Functional Analysis Differential Geometry Home Page Spectral theory of locally symmetric spaces: The Weyl upper on the discrete spectrum Relations between the scattering matrices and scattering geodesics, flats The Selberg trace formula Compactifications of symmetric and locally symmetric spaces Compactifications of Riemannian symmetric spaces and applications to potential theory Compactifications of non-Riemannian symmetric spaces and locally symmetric spaces