Gromoll, Detlef; Meyer, Wolfgang An exotic sphere with nonnegative sectional curvature. (English) Zbl 0293.53015 Ann. Math. (2) 100, 401-406 (1974). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 10 ReviewsCited in 54 Documents MSC: 53C20 Global Riemannian geometry, including pinching 57R55 Differentiable structures in differential topology PDF BibTeX XML Cite \textit{D. Gromoll} and \textit{W. Meyer}, Ann. Math. (2) 100, 401--406 (1974; Zbl 0293.53015) Full Text: DOI OpenURL