Skip to main content

All Questions

Filter by
Sorted by
Tagged with
15 votes
1 answer
371 views

How are MTCs permuted by the Galois action on the little disk operad?

There is a well-studied action of $\operatorname{Gal}(\bar{\mathbb Q}/\mathbb Q)$ on (some version of) the $E_2$ operad; see for example this MO question. Modular tensor categories are examples of $...