Use this URL to cite or link to this record in EThOS: https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401586
Title: Universal homotopy associative, homotopy commutative H-spaces
Author: Grbić, Jelena
ISNI:       0000 0001 2418 0251
Awarding Body: University of Aberdeen
Current Institution: University of Aberdeen
Date of Award: 2004
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Abstract:
For any connected space X the James construction shows that ΩSX is universal in the category of homotopy associative H-spaces in the sense that any map f: X ® Y to a homotopy associative H-space factors through a uniquely determined H-map. Let p be a fixed prime number, and X a space localised at p.  We study the possibility of generating a universal space U(X) from X which is universal in the category of homotopy associative, homotopy commutative H-spaces in the same way as the James construction of a connected space is universal in the category of homotopy associative H-spaces.  We develop a method for constructing certain universal spaces.  This method is used to show that the universal space U(X) exists for a certain three-cell complex X.  We use this specific example to derive some consequences for the calculation of the unstable homotopy groups of spheres, namely, we obtain a formula for the d1-differential of the EHP-spectral sequence valid in a certain range. Finally, we apply the developed method to the family of certain two-cell complexes and obtain their universal spaces.  This result generalises the result of Cohen, Moore, Neisendorfer and Gray on the universal space of an odd dimensional p-primary Moore space.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID: uk.bl.ethos.401586  DOI: Not available
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