# nLab Theo Johnson-Freyd

Selected writings

## Selected writings

Suggestion that the Chern-Dold character from tmf to modular forms, sends a 2d SCFT to its partition function/elliptic genus/supersymmetric index:

and discussion of the 2d SCFTs (namely supersymmetric SU(2)-WZW-models) conjecturally corresponding, under this conjectural identification, to the elements of $\mathbb{Z}/24$ $\simeq$ $tmf^{-3}(\ast) = \pi_3(tmf)$ $\simeq$ $\pi_3(\mathbb{S})$ (the third stable homotopy group of spheres):

On Lie groups and quantum groups:

category: people

Last revised on September 20, 2021 at 12:54:27. See the history of this page for a list of all contributions to it.