Geometry of Manifolds with Non-negative Sectional Curvature - Owen Dearricott, Fernando Galaz-GarcÃa, Lee Kennard, Catherine Searle, Gregor Weingart, Wolfgang Ziller; Galaz-García, Fernando; Kennard, Lee; Searle, Catherine; Weingart, Gregor; Ziller, Wolfgang (Springer International Publishing, 2014)