In this post I want to use Scholzian techniques to look at the relationship between modular forms and the etale cohomology of modular curves. Since everyone cares about modular forms, this exercise might be a good way of getting exposure to some of the latest ideas in p-adic Hodge theory. 1,913 more words

## Tags » Cohomology

#### TQFT's in Vienna - Part 2

To continue from the previous post…

**Twisted Differential Cohomology**

Ulrich Bunke gave a talk introducing differential cohomology theories, and Thomas Nikolaus gave one about a twisted version of such theories (unfortunately, perhaps in the wrong order). 2,156 more words