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|Title:||Modular representations and the homotopy of low rank p-local CW-complexes||Authors:||Beben, P.
Loop space decompositions
|Issue Date:||Apr-2013||Citation:||Beben, P., Wu, J. (2013-04). Modular representations and the homotopy of low rank p-local CW-complexes. Mathematische Zeitschrift 273 (3-4) : 735-751. ScholarBank@NUS Repository. https://doi.org/10.1007/s00209-012-1027-7||Abstract:||Fix an odd prime p and let X be the p-localization of a finite suspended CW-complex. Given certain conditions on the reduced mod-p homology H̃*(X; ℤp) of X, we use a decomposition of ΩΣX due to the second author and computations in modular representation theory to show there are arbitrarily large integers i such that ΩΣiX is a homotopy retract of ΩΣX. This implies the stable homotopy groups of ΣX are in a certain sense retracts of the unstable homotopy groups, and by a result of Stanley, one can confirm the Moore conjecture for ΣX. Under additional assumptions on H̃*(X; ℤp), we generalize a result of Cohen and Neisendorfer to produce a homotopy decomposition of ΩΣX that has infinitely many finite H-spaces as factors. © 2012 Springer-Verlag.||Source Title:||Mathematische Zeitschrift||URI:||http://scholarbank.nus.edu.sg/handle/10635/103556||ISSN:||00255874||DOI:||10.1007/s00209-012-1027-7|
|Appears in Collections:||Staff Publications|
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