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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi All, <o:p></o:p></p><p class=MsoNormal>We had a type in this week problem, now fixed (wrong sign in the first inequality).<o:p></o:p></p><p class=MsoNormal><span style='font-size:12.0pt;color:black;background:white'>Best regards, Igor Cialenco<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:gray;background:white'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:gray;background:white'>Department of Applied Math<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:gray'>Illinois Institute of Technology&nbsp;</span><span style='font-size:10.0pt;color:gray;background:white'><br>10 West 32nd Str, Bld E1, Room 208<br>Chicago, IL 60616-3793</span><span style='font-size:10.0pt;color:gray'>&nbsp;</span><span style='font-size:10.0pt;color:gray;background:white'><br><br>Phone:</span><span style='font-size:10.0pt;color:gray'>&nbsp;</span><span style='font-size:10.0pt;color:gray;background:white'>(312) 567-3131</span><span style='font-size:10.0pt;color:gray'>&nbsp;</span><span style='font-size:10.0pt;color:gray;background:white'><br>Fax:</span><span style='font-size:10.0pt;color:gray'>&nbsp;</span><span style='font-size:10.0pt;color:gray;background:white'>(312) 567-3135</span><span style='font-size:10.0pt;color:gray'>&nbsp;</span><span style='font-size:10.0pt;color:gray;background:white'><br>web: http://math.iit.edu/~igor</span><span style='font-size:10.0pt;color:gray'><o:p></o:p></span></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal><o:p>&nbsp;</o:p></p></div></body></html>