On 13.02.2014 at 12:20 in S4, there is the following noon lecture:
Hyperplane transversal to coloured sets
Edgardo Roldan Pensado
Hadwiger's transversal theorem gives conditions for a family of convex sets in the plane to have a line transversal. A higher dimensional version was obtained by Goodman, Pollack and Wenger, and recently a colourful version appeared due to Arocha, Bracho and Montejano. We show that it is possible to combine both results to obtain a coloured version of Hadwiger's theorem in higher dimensions.
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