The Hunting of the Hopf Ring

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dc.creatorStacey, Andrew
dc.creatorWhitehouse, Sarah
dc.date2007-11-23
dc.date.accessioned2026-07-07T08:44:40Z
dc.date.available2026-07-07T08:44:40Z
dc.descriptionWe provide a new algebraic description of the structure on the set of all unstable cohomology operations for a suitable generalised cohomology theory, E^*. Our description is as a graded and completed version of a Tall-Wraith monoid. The E^*-cohomology of a space X is a module for this Tall-Wraith monoid. We also show that the corresponding Hopf ring of unstable co-operations is a module for the Tall-Wraith monoid of unstable operations. Further examples are provided by considering operations from one theory to another.
dc.description61 pages, no figures; uses xy, pxfonts
dc.identifierhttps://arxiv.org/abs/0711.3722
dc.identifierhttp://arxiv.org/abs/0711.3722
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/142739
dc.subjectAlgebraic Topology
dc.subjectK-Theory and Homology
dc.subjectRings and Algebras
dc.subject55S25; 55N20; 16W99
dc.titleThe Hunting of the Hopf Ring
dc.typetext

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