(Officially John M. Lee.) Math professor at University of Washington, Seattle; author of Introduction to Topological Manifolds, Introduction to Smooth Manifolds, Riemannian Manifolds: An Introduction to Curvature, and Axiomatic Geometry.
77 Lee, Introduction to Smooth Manifolds Solutions Apr 12 '14
23 What is the theory of non-linear forms (as contrasted to the theory of differential forms)? Aug 22 '10
22 Why is there no natural metric on manifolds? Aug 25 '14
18 Paracompactness of CW complexes (rather long) Feb 5 '13
18 Reading list of differential geometry **papers** Dec 17 '13
14 Does de Rham theorem hold for manifolds with boundary? Jul 27 '14
13 (Whitney) Extension Lemma for smooth maps May 17 '14