Prof. Emo Welzl and Prof. Bernd Gärtner
|Mittagsseminar Talk Information|
Date and Time: Thursday, April 25, 2013, 12:15 pm
Duration: 30 minutes
Location: CAB G51
Speaker: Michal Adamaszek (Universität Bremen)
Tools of extremal graph theory are useful in the study of the structure very dense graphs with additional constraints. In this talk I will show how to apply stability of Turan graphs to investigate dense graphs which triangulate spheres, manifolds, or more general pseudomanifolds. A representative result of this kind is: the n-vertex graph which maximizes the number of edges among flag 3-manifolds is the join of two cycles of length n/2. I will also give some motivation for the study of flag manifold triangulations and present open problems in extremal graph theory which arise from our study. Joint work with Jan Hladky.
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