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2007.170: Universal homotopy associative, homotopy commutative $H$-spaces and the EHP spectral sequence

2007.170: Jelena Grbić (2006) Universal homotopy associative, homotopy commutative $H$-spaces and the EHP spectral sequence. Mathematical Proceedings of the Cambridge Philosophical Society, 140 (3). pp. 377-400. ISSN 0305-0041

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DOI: 10.1017/S0305004106009182


Assume that all spaces and maps are localised at a fixed prime $p$. We study the possibility of generating a universal space $U(X)$ from a space $X$ which is universal in the category of homotopy associative, homotopy commutative $H$-spaces in the sense that any map $f\colon X\to Y$ to a homotopy associative, homotopy commutative $H$-space extends to a uniquely determined $H$-map $\overline{f}\colon U(X)\to Y$. Developing a method for recognising certain universal spaces, we show the existence of the universal space $F_2(n)$ of a certain three-cell complex $L$. Using this specific example, we derive some consequences for the calculation of the unstable homotopy groups of spheres, namely, we obtain a formula for the $d_1$-differential of the EHP-spectral sequence valid in a certain range.

Item Type:Article
Subjects:MSC 2000 > 13 Commutative rings and algebras
MSC 2000 > 52 Convex and discrete geometry
MSC 2000 > 55 Algebraic topology
MIMS number:2007.170
Deposited By:Mrs Louise Healey
Deposited On:19 November 2007

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