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DESCRIPTION: In 1935\, Erdős and Szekeres proved that\, for every positive 
 integer k\, every sufficiently large point set contains a "k-gon"\, that is
 \, a subset of k points which is the vertex set of a convex polygon. Their 
 theorem is a classical result in both\, combinatorial geometry and Ramsey t
 heory\, and motivated a lot of further research including numerous modifica
 tions and extensions of the theorem. In this talk we discuss some results a
 nd methods that played an essential role in the study of k-gons and the var
 iant of "k-holes". 
DTSTAMP:20211104T165600
DTSTART:20211108T141500
CLASS:PUBLIC
LOCATION:Technische Universität Berlin\n Institut für Mathematik\n Straße d
 es 17. Juni 136\n 10623 Berlin\n Room MA 041 (Ground Floor)
SEQUENCE:0
SUMMARY:Manfred Scheucher (Technische Universität Berlin): Erdős-Szekeres-t
 ype Problems on Planar Point Sets
UID:107919410@www.facetsofcomplexity.de
URL:http://www.facetsofcomplexity.de/monday/20211108-L-Scheucher.html
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