Associate Professor Emeritus Contact Information arms@math.washington.edu (206) 543-9458 PDL C-338 Personal Website Biography PhD, University of California, Berkeley, 1977 Courses Taught Spring 2022MATH 546 A: Topology and Geometry of Manifolds Winter 2022MATH 545 A: Topology and Geometry of Manifolds Spring 2021MATH 546 A: Topology and Geometry of Manifolds Winter 2021MATH 545 A: Topology and Geometry of Manifolds