Abstract
We study the topology of various sphere bundles over \(\hbox {CP}^{2}\) which admit a metric with non-negative sectional curvature. We then compare their diffeomorphism types with known examples of positively curved manifolds, in particular Eschenburg spaces.
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C. Escher was supported by a grant from the Association for Women in Mathematics, by the University of Pennsylvania and by IMPA. W. Ziller was supported by a grant from the National Science Foundation, the Max Planck Institute in Bonn and CAPES.
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Escher, C., Ziller, W. Topology of non-negatively curved manifolds. Ann Glob Anal Geom 46, 23–55 (2014). https://doi.org/10.1007/s10455-013-9407-8
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DOI: https://doi.org/10.1007/s10455-013-9407-8