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<h1 class="sectionedit1" id="the_combinatorics_seminar">The Combinatorics Seminar</h1> <div class="level1"> </div> <!-- EDIT1 SECTION "The Combinatorics Seminar" [1-41] --> <h2 class="sectionedit2" id="fall_2009">FALL 2009</h2> <div class="level2"> <p> <a href="http://www.anybrowser.org/campaign/" class="urlextern" title="http://www.anybrowser.org/campaign/">Best Viewed With Any Browser</a> </p> <p> <a href="http://www.math.binghamton.edu/dept/directions.html" class="urlextern" title="http://www.math.binghamton.edu/dept/directions.html">Directions to the department.</a> </p> <p> Organizers: <a href="https://www2.math.binghamton.edu/p/laura/start" class="wikilink2" title="laura:start" rel="nofollow">Laura Anderson</a>, <a href="https://www2.math.binghamton.edu/p/delucchi/start" class="wikilink2" title="delucchi:start" rel="nofollow">Emanuele Delucchi</a>, and <a href="https://www2.math.binghamton.edu/p/zaslav/start" class="wikilink2" title="zaslav:start" rel="nofollow">Thomas Zaslavsky</a>. </p> <hr /> <p> <strong>Tuesday, September 1</strong><br/> <em>Organizational Meeting</em><br/> <em>Time</em>: 1:15 - 2:00<br/> <em>Room</em>: LN-2205 </p> <p> <strong>Tuesday, September 8</strong><br/> <em>Speaker</em>: Lucas Rusnak (Binghamton)<br/> <em>Title</em>: <a href="https://www2.math.binghamton.edu/p/seminars/comb/abstract.200909rus" class="wikilink1" title="seminars:comb:abstract.200909rus">Oriented Incidence and a Generalization of Hypergraphs: An Introduction</a><br/> <em>Time</em>: 1:15 - 2:15<br/> <em>Room</em>: LN-2205 </p> <p> <strong>Tuesday, September 15</strong><br/> <em>Speaker</em>: Lucas Rusnak (Binghamton)<br/> <em>Title</em>: <a href="https://www2.math.binghamton.edu/p/seminars/comb/abstract.200909rus" class="wikilink1" title="seminars:comb:abstract.200909rus">Oriented Incidence and a Generalization of Hypergraphs: Balance and Dependency</a><br/> <em>Time</em>: 1:15 - 2:15<br/> <em>Room</em>: LN-2205 </p> <p> <strong>Tuesday, September 22</strong><br/> <em>Speaker</em>: Thomas Zaslavsky (Binghamton)<br/> <em>Title</em>: <a href="https://www2.math.binghamton.edu/p/seminars/comb/abstract.200909zas" class="wikilink1" title="seminars:comb:abstract.200909zas">Psycho-Graph Math on Two-Mode Signed Networks</a><br/> <em>Time</em>: 1:15 - 2:15<br/> <em>Room</em>: LN-2205 </p> <p> <strong>Tuesday, September 29</strong><br/> <em>Speaker</em>: Amanda Ruiz (Binghamton)<br/> <em>Title</em>: <a href="https://www2.math.binghamton.edu/p/seminars/comb/abstract.200909rui" class="wikilink1" title="seminars:comb:abstract.200909rui">When Do Two Planted Graphs Have the Same Cotransversal Matroid?</a><br/> <em>Time</em>: 1:15 - 2:15<br/> <em>Room</em>: LN-2205 </p> <p> <strong>Tuesday, October 6 (joint with the <a href="https://www2.math.binghamton.edu/p/seminars/topsem/index.html" class="wikilink2" title="seminars:topsem:index.html" rel="nofollow">Geometry and Topology Seminar</a>)</strong><br/> <em>Speaker</em>: Priyavrat Deshpande (Western Ontario)<br/> <em>Title</em>: <a href="https://www2.math.binghamton.edu/p/seminars/comb/abstract.200910pri" class="wikilink1" title="seminars:comb:abstract.200910pri">Arrangements of Submanifolds and the Tangent-Bundle Complement</a><br/> <em>Time</em>: 1:15 - 2:15<br/> <em>Room</em>: LN-2205 </p> <p> <strong>Tuesday, October 13 (joint with the <a href="https://www2.math.binghamton.edu/p/seminars/topsem/index.html" class="wikilink2" title="seminars:topsem:index.html" rel="nofollow">Geometry and Topology Seminar</a>)</strong><br/> <em>Speaker</em>: Max Wakefield (Annapolis)<br/> <em>Title</em>: <a href="https://www2.math.binghamton.edu/p/seminars/comb/abstract.200910wak" class="wikilink1" title="seminars:comb:abstract.200910wak">Topological Formality of Arrangements of Subspaces Derived from Edge-Colored Hypergraphs</a><br/> <em>Time</em>: 1:15 - 2:15<br/> <em>Room</em>: LN-2205 </p> <p> <strong>Tuesday, October 20</strong><br/> <em>Speaker</em>: Tom Head (Binghamton)<br/> <em>Title</em>: <a href="https://www2.math.binghamton.edu/p/seminars/comb/abstract.200910hea" class="wikilink1" title="seminars:comb:abstract.200910hea">Computing Transparently: The Independent Sets in a Graph</a><br/> <em>Time</em>: 1:15 - 2:15<br/> <em>Room</em>: LN-2205 </p> <p> <strong>Tuesday, October 27</strong><br/> <em>Speaker</em>: Emanuele Delucchi &amp; Laura Anderson (Binghamton)<br/> <em>Title</em>: <a href="https://www2.math.binghamton.edu/p/seminars/comb/abstract.200910and" class="wikilink1" title="seminars:comb:abstract.200910and">Complex Matroids</a><br/> <em>Time</em>: 1:15 - 2:15<br/> <em>Room</em>: LN-2205 </p> <p> <strong>Tuesday, November 3</strong><br/> <em>Speaker</em>: Nate Reff (Binghamton)<br/> <em>Title</em>: <a href="https://www2.math.binghamton.edu/p/seminars/comb/abstract.200911ref" class="wikilink1" title="seminars:comb:abstract.200911ref">Extensions of Spectral Graph Theory</a><br/> <em>Time</em>: 1:15 - 2:15<br/> <em>Room</em>: LN-2205 </p> <p> <strong>Tuesday, November 10</strong><br/> <em>Speaker</em>: Caroline Klivans (Chicago and Cornell)<br/> <em>Title</em>: <a href="https://www2.math.binghamton.edu/p/seminars/comb/abstract.200911kli" class="wikilink1" title="seminars:comb:abstract.200911kli">A Geometric Interpretation of the Characteristic Polynomial of a Hyperplane Arrangement</a><br/> <em>Time</em>: 1:15 - 2:15<br/> <em>Room</em>: LN-2205 </p> <p> <strong>Tuesday, November 17 (joint with the <a href="https://www2.math.binghamton.edu/p/seminars/algebrasem/index.html" class="wikilink2" title="seminars:algebrasem:index.html" rel="nofollow">Algebra</a> and <a href="https://www2.math.binghamton.edu/p/seminars/numbertheorysem/index.html" class="wikilink2" title="seminars:numbertheorysem:index.html" rel="nofollow">Number Theory</a> Seminars)</strong><br/> <em>Speaker</em>: Justin Lambright (Lehigh)<br/> <em>Title</em>: <a href="https://www2.math.binghamton.edu/p/seminars/comb/abstract.200911lam" class="wikilink1" title="seminars:comb:abstract.200911lam">A Combinatorial Interpretation for Computations in the Quantum Polynomial Ring</a><br/> <em>Time</em>: 1:15 - 2:15<br/> <em>Room</em>: LN-2205 </p> <p> <strong>Tuesday, November 24 (joint with the <a href="https://www2.math.binghamton.edu/p/seminars/algebrasem/index.html" class="wikilink2" title="seminars:algebrasem:index.html" rel="nofollow">Algebra</a> and <a href="https://www2.math.binghamton.edu/p/seminars/numbertheorysem/index.html" class="wikilink2" title="seminars:numbertheorysem:index.html" rel="nofollow">Number Theory</a> Seminars)</strong><br/> <em>Speaker</em>: Matthias Beck (San Francisco State University)<br/> <em>Title</em>: <a href="https://www2.math.binghamton.edu/p/seminars/comb/abstract.200911bec" class="wikilink1" title="seminars:comb:abstract.200911bec">Symmetrically Constrained Compositions of an Integer</a><br/> <em>Time</em>: 1:15 - 2:15<br/> <em>Room</em>: LN-2205 </p> <p> <strong>Tuesday, December 1</strong><br/> <em>Speaker</em>: Lucas Sabalka (Binghamton)<br/> <em>Title</em>: <a href="https://www2.math.binghamton.edu/p/seminars/comb/abstract.200912sab" class="wikilink1" title="seminars:comb:abstract.200912sab">Graph Braid Groups</a> <strong>[Cancelled]</strong><br/> <em>Time</em>: 1:15 - 2:15<br/> <em>Room</em>: LN-2205 </p> <p> <strong>Tuesday, December 8</strong><br/> <em>Speaker</em>: Simon Joyce (Binghamton)<br/> <em>Title</em>: <a href="https://www2.math.binghamton.edu/p/seminars/comb/abstract.200912joy" class="wikilink1" title="seminars:comb:abstract.200912joy">The Sum of Squares of Degrees in a Graph</a><br/> <em>Time</em>: 1:15 - 2:15<br/> <em>Room</em>: LN-2205 </p> <p> <strong>Friday, December 18 (Special time)</strong><br/> <em>Speaker</em>: Lucas Rusnak (Binghamton)<br/> <em>Title</em>: <a href="https://www2.math.binghamton.edu/p/seminars/comb/abstract.200907rus" class="wikilink1" title="seminars:comb:abstract.200907rus">Oriented Hypergraphs, Parts I &amp; II</a><br/> <em>Time</em>: 10:30 - 11:30 and 1:00-2:00<br/> <em>Room</em>: LN-1120 (<strong>Note special room</strong>.) </p> <p> These lectures are the Ph.D. thesis defense of Mr. Rusnak. His examining committee is Laura Anderson, Gerard Cornuejols (Carnegie-Mellon), Marcin Mazur, and Thomas Zaslavsky (chair). </p> <p> Everyone is welcome to attend. </p> <hr /> <hr /> <hr /> <p> Past Semesters: <a href="https://www2.math.binghamton.edu/p/seminars/comb/s09" class="wikilink1" title="seminars:comb:s09">Spring 2009</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/f08" class="wikilink1" title="seminars:comb:f08">Fall 2008</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/s08" class="wikilink1" title="seminars:comb:s08">Spring 2008</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/f07" class="wikilink1" title="seminars:comb:f07">Fall 2007</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/s07" class="wikilink1" title="seminars:comb:s07">Spring 2007</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/f06" class="wikilink1" title="seminars:comb:f06">Fall 2006</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/s06" class="wikilink1" title="seminars:comb:s06">Spring 2006</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/f05" class="wikilink1" title="seminars:comb:f05">Fall 2005</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/s05" class="wikilink1" title="seminars:comb:s05">Spring 2005</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/f04" class="wikilink1" title="seminars:comb:f04">Fall 2004</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/s04" class="wikilink1" title="seminars:comb:s04">Spring 2004</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/f03" class="wikilink1" title="seminars:comb:f03">Fall 2003</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/s03" class="wikilink1" title="seminars:comb:s03">Spring 2003</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/f02" class="wikilink1" title="seminars:comb:f02">Fall 2002</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/s02" class="wikilink1" title="seminars:comb:s02">Spring 2002</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/f01" class="wikilink1" title="seminars:comb:f01">Fall 2001</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/s01" class="wikilink1" title="seminars:comb:s01">Spring 2001</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/f00" class="wikilink1" title="seminars:comb:f00">Fall 2000</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/s00" class="wikilink1" title="seminars:comb:s00">Spring 2000</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/f99" class="wikilink1" title="seminars:comb:f99">Fall 1999</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/s99" class="wikilink1" title="seminars:comb:s99">Spring 1999</a> | <a href="https://www2.math.binghamton.edu/p/seminars/comb/f98" class="wikilink1" title="seminars:comb:f98">Fall 1998</a> </p> <hr /> <p> <a href="http://www.math.binghamton.edu/" class="urlextern" title="http://www.math.binghamton.edu/">Departmental home page</a>. </p> <hr /> </div> <!-- EDIT2 SECTION "FALL 2009" [42-] -->