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On embedding graphs in surfaces

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If you have a question about this talk, please contact M.Jenssen.

I will start explaining the two main problems concerning embeddings of graphs in surfaces. Then I will explain Whitney’s characterisation of planarity in terms of abstract dual graphs from the 1930s. Can abstract duals also be used to construct embeddings in surfaces beyond the plane?

This talk is part of the Combinatorics and Probability Seminar series.

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