This was an advanced graduate class on free boundary problems. Here are some rough notes from it:
<p>
	<a  href="http://sites.math.rutgers.edu/~dnk34/Notes01.pdf">free boundaries generally</a>
</p>
<p>
	<a  href="http://sites.math.rutgers.edu/~dnk34/Notes02.pdf">a lemma about the obstacle problem</a>
</p>
<p>
	<a  href="http://sites.math.rutgers.edu/~dnk34/Notes04.pdf">sets of finite perimeter</a>
</p>
<p>
	<a  href="http://sites.math.rutgers.edu/~dnk34/Notes04.pdf">the variational form of the Bernoulli problem</a>
</p>