For three-dimensional closed simply-connected Riemannian spaces one gets a lower bound for the radius of injectivity of the exponential map from a lower bound of the sectional and an upper bound of the Ricci curvatures.
|Original language||English (US)|
|Number of pages||5|
|Journal||Mathematical Notes of the Academy of Sciences of the USSR|
|State||Published - Jun 1 1973|
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