On Relative Homotopy Groups of Modules

C. Joanna Su

International Journal of Mathematics and Mathematical Sciences, 2007, vol. 2007, 1-14

Abstract:

In his book “Homotopy Theory and Duality,” Peter Hilton described the concepts of relative homotopy theory in module theory. We study in this paper the possibility of parallel concepts of fibration and cofibration in module theory, analogous to the existing theorems in algebraic topology. First, we discover that one can study relative homotopy groups, of modules, from a viewpoint which is closer to that of (absolute) homotopy groups. Then, through the study of various cases, we learn that the classic fibration/cofibration relation does not come automatically. Nonetheless, the ability to see the relative homotopy groups as absolute homotopy groups, in a stronger sense, promises to justify our ultimate search.

Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:027626

DOI: 10.1155/2007/27626

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