id author title date pages extension mime words sentence flesch summary cache txt kd17cr58x0q Jian Ge Low Dimension Soul Theorems 2011 .txt text/plain 93 5 52 These spaces occurs naturally as the blow-up limits of sequences of Riemannian manifold with a lower curvature bound. Our main tools are critical point theory for distance functions and Perelman's Fibration Theorem. cache/kd17cr58x0q.txt txt/kd17cr58x0q.txt