ÿþ <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> <html> <BODY TOPMARGIN=0 LEFTMARGIN=0 RIGHTMARGIN=0 BOTTOMMARGIN=0 BGCOLOR="#ffffff"> <BASE HREF="http://www.math.washington.edu/~combinat/seminar/" TARGET="_top"> <CENTER> <TABLE WIDTH=95% CELLPADDING=0 CELLSPACING=0 BORDER=0 ALIGN=CENTER><TR><TD> <!-- ----------------------------------------------------------------- --> <!-- --> <!-- PAGE START --> <!-- --> <!-- ----------------------------------------------------------------- --> <TABLE WIDTH=100% CELLPADDING=3 CELLSPACING=1 BORDER=0> <TR> <TD BGCOLOR=#79457C ID=baritem7 ALIGN=CENTER> <TD BGCOLOR=#79457C ID=baritem7 ALIGN=CENTER> <A HREF="http://www.math.washington.edu/~combinat/google.html" ><FONT COLOR=#FFFFFF STYLE="text-decoration:none" FACE="HELVETICA" onmouseover=' if (this) color="#FFFFFF"; if (ie4 && baritem7) baritem7.bgColor="#5555FF";'onmouseout=' if (this) color="#FFFFFF"; if (ie4 && baritem7) baritem7.bgColor="#79457C";'><B> Calendar </FONT></A> </TD> <TD BGCOLOR=#79457C ID=baritem7 ALIGN=CENTER> <TD BGCOLOR=#79457C ID=baritem8 ALIGN=CENTER> <A HREF="http://www.math.washington.edu/~combinat/archive/abstracts"> <FONT COLOR=#FFFFFF STYLE="text-decoration:none" FACE="HELVETICA" onmouseover=' if (this) color="#FFFFFF"; if (ie4 && baritem8) baritem8.bgColor="#5555FF"; 'onmouseout=' if (this) color="#FFFFFF"; if (ie4 && baritem8) baritem8.bgColor="#79457C"; ' ><B> Archive </FONT></A> </TD> <TD BGCOLOR=#79457C ID=baritem9 ALIGN=CENTER> <TD BGCOLOR=#79457C ID=baritem6 ALIGN=CENTER> <A HREF="http://www.math.washington.edu/~combinat/people.html"> <FONT COLOR=#FFFFFF STYLE="text-decoration:none" FACE="HELVETICA" onmouseover=' if (this) color="#FFFFFF"; if (ie4 && baritem6) baritem6.bgColor="#5555FF"; ' onmouseout=' if (this) color="#FFFFFF"; if (ie4 && baritem6) baritem6.bgColor="#79457C"; ' ><B> People </FONT></A> </TD> <TD BGCOLOR=#79457C ID=baritem7 ALIGN=CENTER> <TD BGCOLOR=#79457C ID=baritem6 ALIGN=CENTER> <A HREF="http://www.math.washington.edu/Visitors/visitors.html"> <FONT COLOR=#FFFFFF STYLE="text-decoration:none" FACE="HELVETICA" onmouseover=' if (this) color="#FFFFFF"; if (ie4 && baritem6) baritem6.bgColor="#5555FF"; ' onmouseout=' if (this) color="#FFFFFF"; if (ie4 && baritem6) baritem6.bgColor="#79457C"; ' ><B> Info for Vistors </FONT></A> </TD> <TD BGCOLOR=#79457C ID=baritem7 ALIGN=CENTER> </TABLE> <CENTER> <H3> UW Combinatorics Seminar -- Spring Schedule<BR> Padelford C-401 - Wednesdays 4:00pm <BR> Refreshments at 3:30pm <BR> <a href="../preseminar.html">Pre-Seminar</a> at 2:30pm in Loew 118</H3> <P> <BR> Announcement: The Pre-Seminar is in Loew Hall, Room 118 this quarter. <P> </center> <P> <P> <TABLE ALIGN=CENTER CELLPADDING=10> <TR><TD COLSPAN=3> <img src= "http://www.math.washington.edu/~combinat/images/line-green-blue-grad.gif" WIDTH=100%> </TD></TR> <TR></TR> <TR> <TD VALIGN=TOP><img src= "http://www.math.washington.edu/~combinat/images/star2.gif"></TD> <TD VALIGN=TOP><NOBR>April 6</NOBR></TD> <TD> <B>David Wilson</B>, University of Washington/Microsoft Research <FONT SIZE=-1 COLOR="#333333">(webpage: <A HREF="http://dbwilson.com/"> <FONT SIZE=-1>http://dbwilson.com/</FONT> </A> ) </FONT> <BR> <A HREF="http://www.math.washington.edu/~combinat/abstracts/spring11/wilson.html"> <FONT SIZE=+1>Title: Double-dimer pairings and skew Young diagrams.</FONT> </A> </TD> <TD> </TR> <TR></TR> <TR> <TD VALIGN=TOP><img src= "http://www.math.washington.edu/~combinat/images/star2.gif"></TD> <TD VALIGN=TOP><NOBR>April 13</NOBR></TD> <TD> <B>Eyal Lubetzky</B>, Microsoft Research <FONT SIZE=-1 COLOR="#333333">(webpage: <A HREF="http://research.microsoft.com/en-us/um/people/eyal/"> <FONT SIZE=-1>http://research.microsoft.com/en-us/um/people/eyal/</FONT> </A> ) </FONT> <BR> <A HREF="http://www.math.washington.edu/~combinat/abstracts/spring11/lubetzky.html"> <FONT SIZE=+1>Title: Optimal graph index coding.</FONT> </A> </TD> <TD> </TR> <TR></TR> <TR> <TD VALIGN=TOP><img src= "http://www.math.washington.edu/~combinat/images/star2.gif"></TD> <TD VALIGN=TOP><NOBR>April 20</NOBR></TD> <TD> <B>Steve Klee</B>, UC Davis <FONT SIZE=-1 COLOR="#333333">(webpage: <A HREF="http://www.math.ucdavis.edu/~klee/"> <FONT SIZE=-1>http://www.math.ucdavis.edu/~klee/</FONT> </A> ) </FONT> <BR> <A HREF="http://www.math.washington.edu/~combinat/abstracts/spring11/klee.html"> <FONT SIZE=+1>Title: Centrally symmetric manifolds with few vertices.</FONT> </A> </TD> <TD> </TR> <TR></TR> <TR> <TD VALIGN=TOP><img src= "http://www.math.washington.edu/~combinat/images/star2.gif"></TD> <TD VALIGN=TOP><NOBR>April 27</NOBR></TD> <TD> <B>Tom Roby</B>, University of Connecticut <FONT SIZE=-1 COLOR="#333333">(webpage: <A HREF="http://www.math.uconn.edu/~troby/"> <FONT SIZE=-1>http://www.math.uconn.edu/~troby/</FONT> </A> ) </FONT> <BR> <A HREF="http://www.math.washington.edu/~combinat/abstracts/spring11/roby.html"> <FONT SIZE=+1>Title: Equivalence relations of permutations generated by constrained transpositions.</FONT> </A> </TD> <TD> </TR> <TR></TR> <TR> <TD VALIGN=TOP><img src= "http://www.math.washington.edu/~combinat/images/star2.gif"></TD> <TD VALIGN=TOP><NOBR>May 4</NOBR></TD> <TD> <B>Ed Richmond</B>, University of British Columbia <FONT SIZE=-1 COLOR="#333333">(webpage: <A HREF="http://www.math.ubc.ca/~erichmond/"> <FONT SIZE=-1>http://www.math.ubc.ca/~erichmond/</FONT> </A> ) </FONT> <BR> <A HREF="http://www.math.washington.edu/~combinat/abstracts/spring11/richmond.html"> <FONT SIZE=+1>Title: Littlewood Richardson coefficients for Kac-Moody flag varieties.</FONT> </A> </TD> <TD> </TR> <TR></TR> <TR> <TD VALIGN=TOP><img src= "http://www.math.washington.edu/~combinat/images/star2.gif"></TD> <TD VALIGN=TOP><NOBR>May 11</NOBR></TD> <TD> <B>Susanna Fishel</B>, Arizona State University <FONT SIZE=-1 COLOR="#333333">(webpage: <A HREF="http://math.asu.edu/~fishel/"> <FONT SIZE=-1>http://math.asu.edu/~fishel/</FONT> </A> ) </FONT> <BR> <A HREF="http://www.math.washington.edu/~combinat/abstracts/spring11/fishel.html"> <FONT SIZE=+1>Title: The number of Shi regions with a given separating wall.</FONT> </A> </TD> <TD> </TR> <TR></TR> <TR> <TD VALIGN=TOP><img src= "http://www.math.washington.edu/~combinat/images/star2.gif"></TD> <TD VALIGN=TOP><NOBR>May 18</NOBR></TD> <TD> <B>Matt Kahle</B>, IAS <FONT SIZE=-1 COLOR="#333333">(webpage: <A HREF="http://www.math.ias.edu/~mkahle/"> <FONT SIZE=-1>http://www.math.ias.edu/~mkahle/</FONT> </A> ) </FONT> <BR> <A HREF="http://www.math.washington.edu/~combinat/abstracts/spring11/kahle.html"> <FONT SIZE=+1>Title: Configuration spaces of hard disks.</FONT> </A> </TD> <TD> </TR> <TR></TR> <TR> <TD VALIGN=TOP><img src= "http://www.math.washington.edu/~combinat/images/star2.gif"></TD> <TD VALIGN=TOP><NOBR>May 25</NOBR></TD> <TD> <B>Suho Oh</B>, MIT <FONT SIZE=-1 COLOR="#333333">(webpage: <A HREF="http://mit.academia.edu/SuHoOh/"> <FONT SIZE=-1>http://mit.academia.edu/SuHoOh/</FONT> </A> ) </FONT> <BR> <A HREF="http://www.math.washington.edu/~combinat/abstracts/spring11/oh.html"> <FONT SIZE=+1>Title: Totally nonnegative Grassmannian, plabic graphs and maximal weakly separated sets.</FONT> </A> </TD> <TD> </TR> <TR></TR> <TR> <TD VALIGN=TOP><img src= "http://www.math.washington.edu/~combinat/images/star2.gif"></TD> <TD VALIGN=TOP><NOBR>June 1</NOBR></TD> <TD> <B>Alexander Barvinok</B>, University of Michigan <FONT SIZE=-1 COLOR="#333333">(webpage: <A HREF="http://www.math.lsa.umich.edu/~barvinok/"> <FONT SIZE=-1>http://www.math.lsa.umich.edu/~barvinok/</FONT> </A> ) </FONT> <BR> <A HREF="http://www.math.washington.edu/~combinat/abstracts/spring11/barvinok.html"> <FONT SIZE=+1>Title: Counting integer points in higher-dimensional polyhedra.</FONT> </A> </TD> <TD> </TR> <TR></TR> <TR> <TD VALIGN=TOP><img src= "http://www.math.washington.edu/~combinat/images/star2.gif"></TD> <TD VALIGN=TOP><NOBR>June 29</NOBR></TD> <TD> <B>Henning Ulfarsson</B>, Reykjavik University <FONT SIZE=-1 COLOR="#333333">(webpage: <A HREF="http://web.mac.com/hemsa/Ulfarsson/"> <FONT SIZE=-1>http://web.mac.com/hemsa/Ulfarsson/</FONT> </A> ) </FONT> <BR> <A HREF="http://www.math.washington.edu/~combinat/abstracts/spring11/ulfarsson.html"> <FONT SIZE=+1>Title: Generalized permutation patterns and their applications.</FONT> </A> </TD> <TD> </TR> <TR><TD COLSPAN=3> <img src= "http://www.math.washington.edu/~combinat/images/line-green-blue-grad.gif" WIDTH=100%> </TD></TR> </TABLE> <!-- ----------------------------------------------------------------- --> <!-- --> <!-- PAGE END --> <!-- --> <!-- ----------------------------------------------------------------- --> <BR><HR> <CENTER> <TABLE WIDTH=100% BORDER=0 CELLPADDING=0 CELLSPACING=0><TR> <TD> <font size="-1"> <i> <A HREF="http://www.math.washington.edu/~billey">Sara Billey</A>, <a href="http://www.math.washington.edu/~combinat/index.html">Combinatorics Seminar</a>, <A HREF="http://www.math.washington.edu">Mathematics Department</A>, <A HREF="http://www.washington.edu">University of Washington</A>, </i> </FONT> </TD> </TABLE> <HR> <TABLE WIDTH=100% BORDER=0 CELLPADDING=0 CELLSPACING=0> <TR><TD> <font size="-1"> <NOBR>Page loaded on May 16, 2011 at 10:39 AM. </NOBR> </font> </TD> <TD ALIGN=RIGHT> <font size=-2> <NOBR>Copyright &copy 1998-99, Sara C. Billey.</NOBR> <NOBR>All rights reserved.</NOBR> </font> </TD></TR></TABLE> </CENTER> </TD></TR></TABLE> </BODY> </HTML>