John R Schmitt          Associate Professor of Mathematics      Department of Mathematics       Middlebury College       Warner Hall       Middlebury, VT 05753, USA          Phone:1- 802-443-5952            Fax:1-802-443-2080            E-mail: jschmitt@middlebury.edu            Office: Warner Hall 311          Office Hours (Spring '13): Tuesday 1:30-3pm, Wednesday 11am-12pm, Thursday 11am-12:15pm and by appointment