<p>University of Michigan</p>

<p><strong>Abstract</strong>: A review of classical percolation theory is presented, including finding thresholds exactly and numerically. Recent work on shape-dependent universality for crossing and excess number is discussed. Inhomogeneous systems with checkerboard probabilities are shown to have a general parallelogram geometry.</p>

<p><strong>Contact</strong>:<br />
王磊 9853</p>