Robert Powers' Home Page
Office: Room 4N73 in David Rittenhouse Laboratory
Telephone: 215 898-8464 ( Math. Dept. Office 898-8627 )
Fax 215 898-2010
E-mail: rpowers@math.upenn.edu
Office Hours: Tues. Thurs 2:30-3:00 and after class
or by appointment
Math 240 Tues-Thurs 3:00-4:20 DRL A8
Exponential of a real (3 x 3)-matrix with repeated roots
and Green's function for 2d order linear differential equation
with constant coefficients.
Recent Paper on CP-FLOWS (New York Journal 9 (2003) pp 165-270)
Recent Paper on Construction of E-0-semigroups from CP-Flows
(Contemporary Math: Advances in Quantum Dynamics 365 (2004) pp 281-298)