Prof. Emo Welzl and Prof. Bernd Gärtner
|Mittagsseminar Talk Information|
Date and Time: Thursday, June 14, 2012, 12:15 pm
Duration: 30 minutes
Location: HG D5.2
Speaker: Francis Sergeraert (Inst. Fourier, Grenoble)
Triangulating a product of two simplices Δ^p and Δ^q is not so easy. The Eilenberg-Zilber theorem (1950) establishes the exact homological relation between the brute product and the triangulated product. We will briefly explain how the modern tool "Discrete Vector Fields" gives a much simpler understanding of this essential result, allowing also the programmers to dramatically improve the corresponding algorithms. A machine demo will be included.
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