ON THE CAPACITY OF EILENBERG-MACLANE AND MOORE SPACES | ||
| Journal of Algebraic Systems | ||
| مقاله 5، دوره 6، شماره 2، فروردین 2019، صفحه 131-146 اصل مقاله (356.08 K) | ||
| نوع مقاله: Original Manuscript | ||
| شناسه دیجیتال (DOI): 10.22044/jas.2018.6312.1313 | ||
| نویسندگان | ||
| Mojtaba Mohareri؛ Behrooz Mashayekhi؛ Hanieh Mirebrahimi* | ||
| Department of Pure Mathematics, Center of Excellence in Analysis on Algebraic Structures, Ferdowsi University of Mashhad, P.O. Box: 1159-91775, Mashhad, Iran. | ||
| چکیده | ||
| K. Borsuk in 1979, at the Topological Conference in Moscow, introduced concept of the capacity of a compactum and asked some questions concerning properties of the capacity of compacta. In this paper, we give partial positive answers to three of these questions in some cases. In fact, by describing spaces homotopy dominated by Moore and Eilenberg-MacLane spaces, the capacities of a Moore space $M(A,n)$ and an Eilenberg-MacLane space $K(G,n)$ could be obtained. Also, we compute the capacity of wedge sum of finitely many Moore spaces of different degrees and the capacity of product of finitely many Eilenberg-MacLane spaces of different homotopy types. In particular, we compute the capacity of wedge sum of finitely many spheres of the same or different dimensions. | ||
| کلیدواژهها | ||
| Homotopy domination؛ Homotopy type؛ Eilenberg--MacLane space؛ Moore space؛ CW-complex | ||
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آمار تعداد مشاهده مقاله: 556 تعداد دریافت فایل اصل مقاله: 511 |
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