<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><DIV><BLOCKQUOTE type="cite"></BLOCKQUOTE></DIV><BR><DIV> <SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><DIV>_____________________________________________________</DIV><DIV>Fred J. Hickernell, Professor and Chair                            </DIV><DIV>Department of Applied Mathematics, Illinois Institute of Technology             </DIV><DIV>E1 Bdg Rm 208, 10 West 32nd Street, Chicago, IL 60616     </DIV><DIV>Email: fred@amath.iit.edu, Web: <A href="http://www.iit.edu/~hickerne">www.iit.edu/~hickerne</A></DIV><DIV>Office Phone: 1 312 567 8983, Office Fax: 1 312 567 3135</DIV><DIV>Cell Phone: 1 630 696 8124</DIV><DIV><BR class="khtml-block-placeholder"></DIV><BR class="Apple-interchange-newline"></SPAN> </DIV><BR></BODY></HTML>