Department of Computer Science | Institute of Theoretical Computer Science | CADMO

Theory of Combinatorial Algorithms

Prof. Emo Welzl and Prof. Bernd Gärtner

Mittagsseminar (in cooperation with M. Ghaffari, A. Steger and B. Sudakov)

Mittagsseminar Talk Information

Date and Time: Tuesday, September 30, 2008, 12:15 pm

Duration: This information is not available in the database

Location: CAB G51

Speaker: Emo Welzl

Triangulations of Convex Polygons - A Historical Note

Around 1750 Euler asked for the number of triangulations of a convex n-gon (in a letter to Goldbach), but it took about eighty years until this question was resolved with the answer we know it today (Catalan numbers). This will be mostly historical remarks (fresh up your Latin!), including the one-picture proof that Euler missed, although he already conjectured the solution based on the first entries of the sequence.


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