# Renormalization Group flows and the c-theorem

## Brian Wecht (UCSD)

In this talk, I'll describe the ideas behind the "Renormalization Group,"
which is a useful way of thinking about physics at different length/energy
scales. This notion has applications to many different fields in physics,
such as condensed matter, high energy, and biophysics. I will also discuss
the idea of a "c-theorem," which is a statement of how the degrees of
freedom of a particular theory appear different at different scales. No
prerequisites of any kind are assumed.

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