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 +~~META:title= Home Zassenhaus Conference 2021~~ 
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 +</style>
 +<div id="header">
 +<h1 style="margin-top:1; margin-bottom:1;">2021 Zassenhaus Groups and Friends Conference</h1></div>
 +<div id="menu">
 +<ul>
 +<!--<li><a href="http://www2.math.binghamton.edu/p/zassenhaus/zassenhaus_2021/home">Home</a></li>-->
 +<!--<li><a href="http://www2.math.binghamton.edu/p/zassenhaus/zassenhaus_2021/travel_lodging">Travel & Lodging</a></li>-->
 +<li><a href="http://www2.math.binghamton.edu/p/zassenhaus/zassenhaus_2021/history/">History</a></li>
 +<li><a href="http://www2.math.binghamton.edu/p/zassenhaus/zassenhaus_2021/pictures/">Pictures</a></li>
 +<li><a href="http://www2.math.binghamton.edu/p/zassenhaus/zassenhaus_2021/registration">Registration</a></li>
 +<li><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/full-abs.pdf">Program</a></li>
 +<li><a href="http://www2.math.binghamton.edu/p/zassenhaus/zassenhaus_2021/participants">Participants</a></li>
 +</ul>
 +</div>
 +<br>
 +<br>
 +</html>
 +
 +<html>
 +<center>
 +<h1>This year the Zassenhaus Groups and Friends <a href="https://sites.google.com/a/oswego.edu/zassenhaus/home">Conference</a> <br>
 +<h2>will be held online <br>
 +<h2> May 28 - 29, June 4 - 5, 2021
 +</center>
 +</html>
 +
 +<html>
 +<h2 id="time alloted">Time alloted per talk </h2>
 +<ul>
 +<li>All posted times are EDT (Eastern Daylight Time) i.e. UTC-4
 +<li>Talks will occur at 35 minutes intervals.  Each talk will be 20 minutes, preceded by 5 minutes technical setup, and followed by 10 minutes Q&A.   
 +<li>The times posted below indicate the beginning of each 20 minutes talk.  
 +
 +<li>Each day there will be three blocks of four talks each.
 +<li>The blocks run 8:40-10:55AM,  12:00-2:15PM  3:20-5:35PM (EDT)
 +<li>There will be a single <a href="https://binghamton.zoom.us/j/93012215852?pwd=S2h5SzlSZUVYY0doMGJndFZPVFgyUT09"> Zoom meeting link</a> for all talks.
 +<li>The ZOOM meeting each morning/midday/afternoon will open 15 minutes before the first talk, i.e. 8:25 AM, 11:45 AM, and 3:05 PM.
 +<li>The talks will be recorded, and a link to the recording will be placed on the talk title, provided the speaker consents. 
 +</ul>
 +<br>
 +</html>
 +
 +
 +<html>
 +<center>
 +<h3>Schedule and <a href="https://binghamton.zoom.us/j/93012215852?pwd=S2h5SzlSZUVYY0doMGJndFZPVFgyUT09">ZOOM link</a> to talks
 +</center>
 +</html>
 +
 +<html>
 +<table width="100%">
 +<th colspan="3" style="text-align:center;">First Weekend </tr>
 +<tr><th colspan="3">Friday, May 28, Morning Session </tr>
 +<tr><th colspan="2" style="text-align:center;">Welcome <th style="text-align:right;">8:30 AM</tr>
 +
 +<tr><th width="20%">Speaker <th width="70%">Title <th width="10%">Time(EDT) </tr>
 +
 +<tr><td>Michael Barry    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f1A1.mp4">"A new algorithm for decomposing modular tensor products"</a><td align="right">8:40 AM <br></tr>
 +
 +<tr><td>Carmine Monetta    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f1A2.mp4">"Series of a construction related to the non-abelian tensor square of groups"</a><td align="right">9:15 AM</tr>
 +
 +<tr><td>Vicent Pérez Calabuig    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f1A3.pdf">"On the computability of the abelian kernel of an inverse semigroup"</a><td align="right">9:50 AM</tr>
 +
 +<tr><td>Juan Martínez Madrid    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f1A4.mp4">"On the order of products of elements in finite groups"</a><td align="right">10:25 AM</tr>
 +<tr><td colspan="3">&nbsp;</tr>
 +
 +
 +<tr><th colspan="3">Friday, May 28, Midday Session </tr>
 +<tr><th>L.C. Kappe <th>About Hans Zassenhaus <th style="text-align:right;">11:50 AM</tr>
 +<tr><th>Speaker <th>Title <th width="70">Time(EDT)</tr>
 +
 +<tr><td>Gareth Jones    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f1B1.mp4">"Permutation groups of prime degree: still an open problem"</a><td align="right">12:00 NN <br></tr>
 +
 +<tr><td>Anthony Evans    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f1B2.mp4">"The existence problem for strong complete mappings of finite groups
 +"</a><td align="right">12:35 PM</tr>
 +
 +<tr><td>Wil Cocke    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f1B3.mp4">"Some thoughts on subnormal depth (part 1)"</a><td align="right">1:10 PM</tr>
 +
 +<tr><td>Ryan McCulloch    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f1B4.mp4">"Chains of normalizers of subnormal subgroups (part 2)"</a><td align="right">1:45 PM</tr>
 +<tr><td colspan="3">&nbsp;</tr>
 +
 +<tr><th colspan="3">Friday, May 28, Afternoon Session </tr>
 +<tr><th>Speaker <th>Title <th width="70">Time(EDT) </tr>
 +
 +<tr><td>Kenneth Johnson    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f1C1.mp4">"q-circulants"</a><td align="right">3:20 PM  <br></tr>
 +
 +<tr><td>Bret Benesh    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f1C2.mp4">"A game on Z<sub>n</sub>"</a><td align="right">3:55 PM</tr>
 +
 +<tr><td>Jorg Feldvoss    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f1C3.mp4">"Semi-simple Leibniz algebra
 +"</a><td align="right">4:30 PM</tr>
 +
 +<tr><td>Dustin Story    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f1C4.mp4">"Determining synchronization of certain classes of primitive groups of affine type"</a><td align="right">5:05 PM</tr>
 +<tr><td colspan="3">&nbsp;</tr>
 +
 +
 +<tr><th colspan="3">Saturday, May 29, Morning Session </tr>
 +<tr><th>Speaker <th>Title <th width="70">Time(EDT) </tr>
 +
 +<tr><td>Adnan Tercan    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s1A1.mp4">"Extending modules and related concepts
 +"</a><td align="right">8:40 AM <br></tr>
 +
 +<tr><td>Ramazan Yasar    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s1A2.mp4">"Weak versions of extending modules"</a><td align="right">9:15 AM</tr>
 +
 +<tr><td>Viji Thomas    <td>
 +<!-- <a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s1A3.mp4">
 +-->
 +"On a theorem of Schur"
 +<!-- </a> -->
 +<td align="right">9:50 AM</tr>
 +
 +<tr><td>Patrizia Longobardi    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s1A4.mp4">"A new criterion for solvability of a finite group"</a><td align="right">10:25 AM</tr>
 +<tr><td colspan="3">&nbsp;</tr>
 +
 +
 +
 +<tr><th colspan="3">Saturday, May 29, Midday Session </tr>
 +<tr><th>Speaker <th>Title <th width="70">Time(EDT)</tr>
 +
 +<tr><td>Maria Ferrara    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s1B1.mp4">"Groups whose proper subgroups are either abelian or pronormal
 +"</a><td align="right">12:00 NN  <br></tr>
 +
 +<tr><td>Patali Komma    <td>
 +<!--
 +<a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s1B2.mp4">
 +-->
 +"Non-inner automorphisms of order p in 2-generator finite p-groups"
 +<!-- </a>  -->
 +<td align="right">12:35 PM</tr>
 +
 +<!--
 +<tr><td>Ekaterina Kompantseva    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s1B3.mp4">"Absolute ideals of torsion-free groups of finite rank" </a><td style=color:red; align="right">Cancelled</tr>
 +-->
 +<!--
 +<tr><td>Shawn Burkett    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s1B4.mp4">"Partial GVZ-groups"</a><td style=color:red; align="right">Cancelled</tr>
 +<tr><td colspan="3">&nbsp;
 +</tr>
 +-->
 +<tr><td colspan="3">&nbsp;</tr>
 +
 +<tr><th colspan="3">Saturday, May 29, Afternoon Session</tr>
 +<tr><th>Speaker <th>Title <th width="70">Time(EDT) </tr>
 +
 +<tr><td>Rachel Skipper    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s1C1.mp4">"Maximal subgroups of Thompson’s groups V"</a><td align="right">3:20 PM  <br></tr>
 +
 +<tr><td>Matt Zaremsky    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s1C2.mp4">"Finiteness properties of normal subgroups of the Stein group F<sub>2,3</sub>"</a><td align="right">3:55 PM</tr>
 +
 +<tr><td>Mark Sapir    <td>
 +<!--
 +<a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s1C3.mp4">
 +-->
 +"Closed subgroups of the R. Thompson group F"
 +<!-- </a>  -->
 +<td align="right">4:30 PM</tr>
 +
 +<tr><td>Zoran Sunic    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s1C4.mp4">"Laconic semigroups, laconic varieties, and the membership problem"</a><td align="right">5:05 PM</tr>
 +<tr><td colspan="3">&nbsp;</tr>
 +
 +
 +<th colspan="3" style="text-align:center;">Second Weekend </tr>
 +<th colspan="3">Friday, June 04, Morning Session </tr>
 +<tr><th>Speaker <th>Title <th width="70">Time(EDT) </tr>
 +
 +<tr><td>Xueyu Pan   <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f2A1.mp4">"Groups of small order type"</a><td align="right">8:40 AM <br></tr>
 +
 +<tr><td>Ana Martínez-Pastor    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f2A2.mp4">"On products of π-decomposable groups and Hall-like theorems"</a><td align="right">9:15 AM</tr>
 +
 +<tr><td>Carmen Melchor    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f2A3.mp4">"Products of classes which are a union of two classes"</a><td align="right">9:50 AM</tr>
 +
 +<tr><td>Santiago Barrera Acevedo    <td>
 +<!--
 +<a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f2A4.mp4">
 +-->
 +"Cocyclic Hadamard matrices of order 4p"
 +<!-- </a> -->
 +<td align="right">10:25 AM</tr>
 +<tr><td colspan="3">&nbsp;</tr>
 +
 +<th colspan="3">Friday, June 04, Midday Session </tr>
 +<tr><th>Speaker <th>Title <th width="70">Time(EDT)</tr>
 +
 +<tr><td>Agota Figula    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f2B1.mp4">"Stenier loops of affine type"</a><td align="right">12:00 NN <br></tr>
 +
 +<tr><td>Carl-Fredrik Nyberg Brodda    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f2B2.mp4">"The Muller-Schupp theorem for special monoids"</a><td align="right">12:35 PM</tr>
 +
 +<tr><td>Alexandre Grishkov    <td>
 +<!--
 +<a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f2B3.mp4">
 +-->
 +"Group of right multiplications of free Bol loop of exponent two"
 +<!-- </a> -->
 +<td align="right">1:10 PM</tr>
 +
 +<tr><td>Jonathan Doane    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f2B4.mp4">"Affine duality, indeed"</a><td align="right">1:45 PM</tr>
 +<tr><td colspan="3">&nbsp;</tr>
 +
 +
 +<th colspan="3">Friday, June 04, Afternoon Session</tr>
 +<tr><th>Speaker <th>Title <th width="70">Time(EDT) </tr>
 +
 +<tr><td>Casey Donoven    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f2C1.mp4">"3/2-generated semigroups"</a><td align="right">3:20 PM  <br></tr>
 +
 +<tr><td>Mark Lewis    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f2C2.mp4">"Graphs associated with groups"</a><td align="right">3:55 PM</tr>
 +
 +<tr><td>Heiko Dietrich    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f2C3.mp4">"Quotient algorithms (a.k.a. how to compute with finitely presented groups)"</a><td align="right">4:30 PM</tr>
 +
 +<tr><td>Alexander Hulpke    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/f2C4.mp4">"Rewriting systems and group extensions"</a><td align="right">5:05 PM</tr>
 +<tr><td colspan="3">&nbsp;</tr>
 +
 +
 +<th colspan="3">Saturday, June 05, Morning Session </tr>
 +<tr><th>Speaker <th>Title <th width="70">Time(EDT) </tr>
 +
 +<tr><td>Noelia Rizo    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s2A1.mp4">"Blocks with few irreducible characters
 +"</a><td align="right">8:40 AM  <br></tr>
 +
 +<tr><td>Lucia Sanus    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s2A2.mp4">"Character degrees in separable groups
 +"</a><td align="right">9:15 AM</tr>
 +
 +<tr><td>J. Miquel Martínez    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s2A3.mp4">"Degrees of characters in the principal block"</a><td align="right">9:50 AM</tr>
 +
 +<tr><td>Lucas Gagnon    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s2A4.mp4">"A gluing lemma for supercharacter theories
 +"</a><td align="right">10:25 AM</tr>
 +<tr><td colspan="3">&nbsp;</tr>
 +
 +<th colspan="3">Saturday, June 05, Midday Session </tr>
 +<tr><th>Speaker <th>Title <th width="70">Time(EDT) </tr>
 +<!--
 +<tr><td>    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s2B1.mp4">""</a><td align="right">12:00 NN  <br></tr>
 +-->
 +<tr><td>Chimere Stanley Anabanti    <td>
 +<!-- 
 +<a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s2B2.mp4">
 +-->
 +"Groups with a given number of nonpower subgroups"
 +<!-- </a> -->
 +<td align="right">12:35 PM <br></tr>
 +
 +<tr><td>Shuchen Mu    <td>
 +<!--
 +<a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s2B3.mp4">
 +-->
 +"Hochschild transfer is group transfer"
 +<!-- </a> -->
 +<td align="right">1:10 PM</tr>
 +
 +<!--
 +<tr><td>Matthias Neumann-Brosig    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s2B4.mp4">"Computing the Frattini subgroup of a polycyclic group"</a><td align="right">1:45 PM</tr>
 +<tr><td colspan="3">&nbsp;</tr>
 +-->
 +<tr><td>Matthias Neumann-Brosig    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s2B4.pdf">"Computing the Frattini subgroup of a polycyclic group"</a><td align="right">1:45 PM</tr>
 +<tr><td colspan="3">&nbsp;</tr>
 +
 +<th colspan="3">Saturday, June 05, Afternoon Session </tr>
 +<tr><th>Speaker <th>Title <th width="70">Time(EDT) </tr>
 +
 +<tr><td>Jeffrey Riedl    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s2C1.mp4">"Congruences involving binomial coefficients arising from p-groups
 +"</a><td align="right">3:20 PM  <br></tr>
 +
 +<tr><td>Eric Swartz    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s2C2.mp4">"Restrictions on parameters of partial difference sets in nonabelian groups"</a><td align="right">3:55 PM</tr>
 +
 +<tr><td>Ben Fine    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s2C3.mp4">"Elementary and universal theory of group rings"</a><td align="right">4:30 PM</tr>
 +<!--
 +<tr><td>    <td><a href="http://www2.math.binghamton.edu/lib/exe/fetch.php/zassenhaus/zassenhaus_2021/s2C4.mp4">""</a><td align="right">5:05 PM</tr>
 +-->
 +
 +</table>
 +</html>
 +
 +
 +Here is the detailed {{:zassenhaus:zassenhaus_2021:full-abs.pdf|program with abstracts}}.
 +
 +{{http://www2.math.binghamton.edu/p/zassenhaus/start|Zassenhaus Conference Main Website}}