This course teaches commonly used approximation methods in quantum mechanics. They include time-independent perturbation theory, time-dependent perturbation theory, tight binding method, variational ...
Mathematics of Operations Research, Vol. 42, No. 1 (February 2017), pp. 57-76 (20 pages) The l₀-minimization problem that seeks the sparsest point of a polyhedral set is a long-standing, challenging ...