# 2017 seminar talk: A characterization for productively ccc spaces

Talk held by Leandro Aurichi (University of São Paulo, Brazil) at the KGRC seminar on 2017-01-19.

### Abstract

We will discuss when a space $X$ is such that $X \times Y$ is ccc for every ccc space $Y$. We will present a characterization for this property and discuss some possible applications.

This is a joint work with R. Mezabarba.