Prof. Emo Welzl and Prof. Bernd Gärtner
|Mittagsseminar Talk Information|
Date and Time: Tuesday, November 06, 2007, 12:15 pm
Duration: This information is not available in the database
Location: OAT S15/S16/S17
Speaker: Justus Schwartz
In a collaborative project with the chair of land use engineering at ETH a heuristic has been developed for the design of road networks. The theoretical approximation guarantees of 2-2/k are not good enough as we are dealing with real world costs. Therefore good lower bounds had to be computed as evidence that the computed networks are close to optimal. In this talk I will show, after presenting the general setting and the heuristic, how the lower bounds have been obtained.
Joint work with Angelika Steger, Jürg Stückelberger and Andreas Weissl.
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