Geodesic
Commutative Γ-rings do not model all commutative ring spectra
Homology, homotopy, and applications, Tome 11 (2009) no. 2, pp. 189-194.

Voir la notice de l'article provenant de la source International Press of Boston

We show that the free $E_∞$-algebra on a zero-cell cannot be modeled by a commutative Γ-ring. The proof shows that Dyer-Lashof operations of positive degree must vanish on the zero’th homology of such an object.
DOI : 10.4310/HHA.2009.v11.n2.a9
Classification : 55P42, 55P43, 55S12
Keywords: gamma-space, ring spectrum, Dyer-Lashof operation 
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     author = {Tyler Lawson},
     title = {Commutative {\ensuremath{\Gamma}-rings} do not model all commutative ring spectra},
     journal = {Homology, homotopy, and applications},
     pages = {189--194},
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     number = {2},
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     doi = {10.4310/HHA.2009.v11.n2.a9},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4310/HHA.2009.v11.n2.a9/}
}
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Tyler Lawson. Commutative Γ-rings do not model all commutative ring spectra. Homology, homotopy, and applications, Tome 11 (2009) no. 2, pp. 189-194. doi : 10.4310/HHA.2009.v11.n2.a9. http://geodesic.mathdoc.fr/articles/10.4310/HHA.2009.v11.n2.a9/

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