# Moonshine, topological modular forms, and 576 fermions.

### APA

Johnson-Freyd, T. (2016). Moonshine, topological modular forms, and 576 fermions.. Perimeter Institute. https://pirsa.org/16090051

### MLA

Johnson-Freyd, Theo. Moonshine, topological modular forms, and 576 fermions.. Perimeter Institute, Sep. 22, 2016, https://pirsa.org/16090051

### BibTex

@misc{ pirsa_PIRSA:16090051, doi = {10.48660/16090051}, url = {https://pirsa.org/16090051}, author = {Johnson-Freyd, Theo}, keywords = {Mathematical physics}, language = {en}, title = {Moonshine, topological modular forms, and 576 fermions.}, publisher = {Perimeter Institute}, year = {2016}, month = {sep}, note = {PIRSA:16090051 see, \url{https://pirsa.org}} }

Dalhousie University

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Talk Type

**Subject**

Abstract

I will report on progress understanding the 576-fold periodicity in TMF in terms of conformal field theoretic constructions. Sporadic finite groups and their cohomology will play a role.