著者
MORITA Kiiti 森田 紀一
出版者
Institute of Mathematics, University of Tsukuba
雑誌
Tsukuba journal of mathematics (ISSN:03874982)
巻号頁・発行日
vol.1, pp.1-6, 1977-12

As in our previous paper [5], by the covering dimension of a topological space X, dim X notation, we mean the least integer n such that every finite normal open cover of X is refined by a fimite normal open cover of X ...
著者
Ohtsuka Fumiko
出版者
筑波大学
雑誌
Tsukuba journal of mathematics (ISSN:03874982)
巻号頁・発行日
vol.18, no.2, pp.439-447, 1994-12

The concept of ideal boundary of Hadamard monifolds was introduced by Eberlein and O'Neill [3] in 1973, which had marked a millestone is the study of the geometry of noncompact Reimannian manifolds. Since then, it has been utilized in various fields of research on Hadamard manifolds. ...