diff --git a/index.html b/index.html
index a9d4ac9b2ca11d1ef9d8525ed2229ca74e17a270..5cab7d7836cc336658edd0e1c0da1da632e0bafe 100644
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@@ -527,9 +527,15 @@ We obtain an infinite ascending chain of varieties of distributive PBZ∗–latt
 
 
 <tr valign="top"><td align="right"><a href="http://www.timeanddate.com/worldclock/fixedtime.html?iso=2021-11-02T18:30:00">19:30</a></td><td colspan="2", style="padding:5pt"><b >Dinner</b></td></tr>
+
 <tr ><th colspan="3", style="padding:10pt">Wednesday November 3, 2021</th></tr>
 <tr valign="top"><td align="right"><a href="http://www.timeanddate.com/worldclock/fixedtime.html?iso=2021-11-03T06:00:00">7:00</a></td><td colspan="2", style="padding:5pt"><b >Breakfast</b></td></tr>
 
+<tr>
+<td align="right">9:00</td>
+<td></td>
+<td align="left">Session 5. Chair <i>Peter Jipsen</i></td>
+</tr>
 
 <tr style="background-color:#fafcff", valign="top">
 <td align="right"><a href="http://www.timeanddate.com/worldclock/fixedtime.html?iso=2021-11-03T08:00:00">9:00</a></td>
@@ -567,6 +573,11 @@ We obtain an infinite ascending chain of varieties of distributive PBZ∗–latt
 
 <tr valign="top"><td align="right"><a href="http://www.timeanddate.com/worldclock/fixedtime.html?iso=2021-11-03T09:30:00">10:30</a></td><td colspan="2", style="padding:5pt"><b >Coffee break</b></td></tr>
 
+<tr>
+<td align="right">11:00</td>
+<td></td>
+<td align="left">Session 6. Chair <i>Stepan Kuznetsov</i></td>
+</tr>
 
 <tr style="background-color:#fafcff", valign="top">
 <td align="right"><a href="http://www.timeanddate.com/worldclock/fixedtime.html?iso=2021-11-03T10:00:00">11:00</a></td>
@@ -605,6 +616,11 @@ We obtain an infinite ascending chain of varieties of distributive PBZ∗–latt
 <tr valign="top"><td align="right"><a href="http://www.timeanddate.com/worldclock/fixedtime.html?iso=2021-11-03T11:30:00">12:30</a></td><td colspan="2", style="padding:5pt"><b >Lunch</b></td></tr>
 <tr valign="top"><td align="right"><a href="http://www.timeanddate.com/worldclock/fixedtime.html?iso=2021-11-03T12:30:00">13:30</a></td><td colspan="2", style="padding:5pt"><b >Business meeting</b></td></tr>
 
+<tr>
+<td align="right">14:30</td>
+<td></td>
+<td align="left">Session 7. Chair <i>Georg Struth</i></td>
+</tr>
 
 <tr style="background-color:#fafcff", valign="top">
 <td align="right"><a href="http://www.timeanddate.com/worldclock/fixedtime.html?iso=2021-11-03T13:30:00">14:30</a></td>
@@ -627,6 +643,11 @@ complex data types.</div>
 
 <tr valign="top"><td align="right"><a href="http://www.timeanddate.com/worldclock/fixedtime.html?iso=2021-11-03T14:30:00">15:30</a></td><td colspan="2", style="padding:5pt"><b >Coffee break</b></td></tr>
 
+<tr>
+<td align="right">16:00</td>
+<td></td>
+<td align="left">Session 8. Chair <i>Rudolf Berghammer</i></td>
+</tr>
 
 <tr style="background-color:#fafcff", valign="top">
 <td align="right"><a href="http://www.timeanddate.com/worldclock/fixedtime.html?iso=2021-11-03T15:00:00">16:00</a></td>