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  • P-ISSN3059-0604
  • E-ISSN3059-1309
  • KCI

Points at infinity of complete open Riemannian manifolds

Journal of the Korean Society of Mathematical Education Series B: Theoretical Mathematics and Pedagogical Mathematics / Journal of the Korean Society of Mathematical Education Series B: Theoretical Mathematics and Pedagogical Mathematics, (P)3059-0604; (E)3059-1309
2004, v.11 no.4, pp.309-321
Kim, Tae-Soon
Jeon, Myung-Jin

Abstract

For a complete open Riemannian manifold, the ideal boundary consists of points at infinity. The so-called Busemann-functions play the role of distance functions for points at infinity. We study the similarity and difference between Busemann-functions and ordinary distance functions.

keywords
ideal boundary, conjugate point, cut point.

Journal of the Korean Society of Mathematical Education Series B: Theoretical Mathematics and Pedagogical Mathematics