29 June 2015 to 1 July 2015
Europe/Paris timezone
29 June - 1 July 2015, Institut de Recherche Mathématique Avancée at the Université de Strasbourg, France

The ring of cooperations for 2-primary tmf

1 Jul 2015, 11:00
50m
Grand Amphi de Maths ()

Grand Amphi de Maths

Invited research talk

Speaker

Mark Behrens (Notre Dame)

Description

This talk represents joint work with Kyle Ormsby, Nat Stapleton, and Vesna Stojanoska. I will describe 3 different perspective on tmf_*tmf (localized at 2). (1) the E_2-term of the Adams spectral sequence for tmf_*tmf decomposes as a direct sum of ext groups associated to bo-Brown-Gilter modules, (2) modulo torsion, tmf_*tmf embeds into the ring of 2-variable modular forms, and (3) modulo v_2-torsion, tmf_*tmf embeds into a product of TMF_0(N)_*, for various values of N, and how they are related.

Primary author

Mark Behrens (Notre Dame)

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