Why dimension 4 is great ( or terrible )

25.03.2019 17:00

Some of the most intriguing phenomena in topology have to do with dimension 4 behaving differently than others. Looking at the examples of the Generazed Poincaré Conjecture and the existence of exotic R^4 ‘s, I will try to give a decription of some of this strangeness and an idea of what might go wrong in the specific case n=4.

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Room 17, Séminaire des doctorants

entrée libre