On manifolds having some restricted ideal boundaries |
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Authors: | Fumiko Ohtsuka |
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Institution: | (1) Department of Mathematics, Ibaraki University, Mito, 310 Ibaraki, Japan |
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Abstract: | The theory of the ideal boundary has arisen as a method of a study of noncompact manifolds. In this paper we shall investigate properties of manifolds whose ideal boundaries satisfy some conditions related to the Tits metric. In Section 2 we shall consider in what conditions the Tits topology is equivalent to the sphere topology and in Section 3 the property of points at infinity which characterize the R-factor. Furthermore, in Section 4 we shall give a sufficient condition for a projective map to be isometríc.Partially supported by Grant-in-Aid for Encouragement of Young Scientists (No. 01740011), The Ministry of Education, Science and Culture, Japan. |
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