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A rigidity theorem for manifolds without conjugate points
Published online by Cambridge University Press: 01 August 1998
Abstract
In this paper we show that some nonsimply connected manifolds without conjugate points exhibit rigidity phenomena similar to that studied in [BGS, section I.5]. This is a companion paper to [Cr-Kl1] that deals with the simply connected case. In particular, we show that one cannot make a nontrivial, compactly supported, change to a complete flat metric without introducing conjugate points.
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- © 1998 Cambridge University Press
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