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E-infinity ring spectra and Hopf invariant 1 elements

Le : 03/06/2015 14h00
Par : Andrew BAKER (Glasgow)
Lieu : I 103
Lien web :
Résumé : E-infinity ring spectra are a topological version of `derived commutative rings'. It is well known that their homotopy theory contains lots of very interesting stable homotopy phenomena. In this talk I will discuss some very simple examples built using 2-primary Hopf invariant 1 elements which lead to some interesting results and problems about connective K-theory and topological modular forms.