Dear colleagues,<div><br></div><div>I sent this out a couple years ago--he it is slightly new and improved. Comments are appreciated.<div><br></div><div>dph<br clear="all"><div><br></div>-- <br>David P. Heddle, Ph.D.<br>
Associate Professor and Chair<br>
Department of Mathematics<br>
Christopher Newport University<br>
1 University Place<br>
Newport News, VA 23606<br>
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