An induction theorem for the unit groups of Burnside rings of 2-groups

dc.citation.epage127en_US
dc.citation.epage
dc.citation.issueNumber1en_US
dc.citation.spage105en_US
dc.citation.volumeNumber289en_US
dc.contributor.authorYalçin, E.en_US
dc.date.accessioned2016-02-08T10:23:03Z
dc.date.available2016-02-08T10:23:03Z
dc.date.issued2005en_US
dc.departmentDepartment of Mathematicsen_US
dc.description.abstractLet G be a 2-group and B(G)× denote the group of units of the Burnside ring of G. For each subquotient H/K of G, there is a generalized induction map from B(H/K)× to B(G)× defined as the composition of inflation and multiplicative induction maps. We prove that the product of generalized induction maps ∏ B(H/K)× → B(G)× is surjective when the product is taken over the set of all subquotients that are isomorphic to the trivial group or a dihedral 2-group of order 2n with n ≥ 4. As an application, we give an algebraic proof for a theorem by Tornehave [The unit group for the Burnside ring of a 2-group, Aarhus Universitet Preprint series 1983/84 41, May 1984] which states that tom Dieck's exponential map from the real representation ring of G to B(G)× is surjective. We also give a sufficient condition for the surjectivity of the exponential map from the Burnside ring of G to B(G)×. © 2005 Elsevier Inc. All rights reserved.en_US
dc.identifier.doi10.1016/j.jalgebra.2005.03.029en_US
dc.identifier.eissn1090-266X
dc.identifier.issn0021-8693
dc.identifier.urihttp://hdl.handle.net/11693/24029
dc.language.isoEnglishen_US
dc.publisherAcademic Pressen_US
dc.relation.isversionofhttp://dx.doi.org/10.1016/j.jalgebra.2005.03.029en_US
dc.source.titleJournal of Algebraen_US
dc.subjectReal representation ringen_US
dc.subjectUnits of Burnside ringen_US
dc.titleAn induction theorem for the unit groups of Burnside rings of 2-groupsen_US
dc.typeArticleen_US
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