Abstract
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) |
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Pages (from-to) | 526-530 |
Number of pages | 5 |
Journal | Mathematical Notes of the Academy of Sciences of the USSR |
Volume | 13 |
Issue number | 6 |
DOIs | |
State | Published - Jun 1973 |
All Science Journal Classification (ASJC) codes
- General Mathematics