<div dir="ltr"><p dir="ltr" style="font-size:12.8px">BINGHAMTON GEOMETRY/TOPOLOGY SEMINAR</p><p dir="ltr" style="font-size:12.8px">   Date: Thursday, December 3rd, 2015</p><p dir="ltr" style="font-size:12.8px">   Time:  2.50 pm</p><p dir="ltr" style="font-size:12.8px">   Place: Whitney Hall, Room 100E,  followed by coffee/tea in the<br>      Hilton Reading Room. Note the new location of the math department (<a href="http://www2.math.binghamton.edu/p/directions" target="_blank">http://</a><a href="http://www2.math.binghamton.edu/p/directions" target="_blank">www2.</a><a href="http://www2.math.binghamton.edu/p/directions" target="_blank">math.binghamton.edu</a><a href="http://www2.math.binghamton.edu/p/directions" target="_blank">/p/directions</a>).</p><p dir="ltr" style="font-size:12.8px">   Speaker:  <strong style="color:rgb(51,51,51);font-family:Arial,sans-serif;font-size:15px;line-height:16.8px">Matt Brin</strong><span style="color:rgb(51,51,51);font-family:Arial,sans-serif;font-size:15px;line-height:16.8px"> </span><span style="font-size:12.8px"> (Binghamton University) </span></p><p dir="ltr" style="font-size:12.8px"><font color="#333333">   Title: </font><span style="font-size:small">Elementary amenable subgroups of PL homeomorphisms of the </span><span style="font-size:small">interval that are not very elementary.</span></p><p dir="ltr" style="font-size:12.8px">    Abstract:<span style="font-size:12.8px"> </span><span style="font-size:small">Among the piecewise linear homeomorphisms of the unit </span><span style="font-size:small">interval, we find a sequence of easily described 2-generator groups </span><span style="font-size:small">of rapidly increasing complexity.  In spite of their complexity, we </span><span style="font-size:small">can (oxymoronically) calculate an exact measure of each group's </span><span style="font-size:small">complexity.  We will define terms, give the exact constructions and </span><span style="font-size:small">give some details of the analysis.</span></p><p dir="ltr" style="font-size:12.8px">NOTE:  The seminar has a webpage where the semester's program is listed:</p><p dir="ltr" style="font-size:12.8px"><a href="http://www2.math.binghamton.edu/p/seminars/topsem" target="_blank">http://www2.math.binghamton.edu/p/seminars/<span>topsem</span></a></p></div>