Phantom Maps and Monoids of Endomorphisms of
Yoshimi Shitanda
Kyushu University, Fukuoka, Japan
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Abstract
The compositions , of phantom pair and a phantom map are homotopic. The compositions , of phantom pair and a phantom map are homotopic. We determine the homotopy set and its monoid structure given by the composition of maps for all .
Cite this article
Yoshimi Shitanda, Phantom Maps and Monoids of Endomorphisms of . Publ. Res. Inst. Math. Sci. 29 (1993), no. 3, pp. 397–409
DOI 10.2977/PRIMS/1195167049