We study the properties of suspension maps on co-H- spaces and obtain an equalityabout the ranks of the set(group)of all homotopy classes of suspension maps expressed in Bettinumbers on co-H-spaces.
本文探讨ｃｏ－Ｈ－空间上的同纬映象（ｓｕｓｐｅｎｓｉｏｎ）映射的性质，得到一些结果。
