**Wieslawa Niziol**

CNRS, ENS-Lyon, France

February 16, 2017

**Syntomic cohomology: an overview.**:
Syntomic cohomology is a refinement of etale cohomology that can be
thought of as a p-adic analog of Deligne-Beilinson cohomology. It is used to study special values of p-adic L-functions. I will overview the
properties of this cohomology and some of its applications.