Bull. Korean Math. Soc. 1998; 35(1): 25-32
Printed March 1, 1998
Copyright © The Korean Mathematical Society.
Keun Park
University of Ulsan
Let $N$ be the 3-dimensional Heisenberg group equipped with a left-invariant metric on $N$. We characterize the Jacobi fields and the conjugate points along a geodesic on $N,$ which points out that Theorem 4 of \cite{1} is not correct.
Keywords: Heisenberg group, Jacobi fields, conjugate points
MSC numbers: 53C30, 22E25
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