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Sylvain Maillot - An introduction to open 3-manifolds (Part 2)

Réalisation : 14 juin 2016 Mise en ligne : 14 juin 2016
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Descriptif

W. Thurston's geometrization program has lead to manyoutstanding results in 3-manifold theory. Thanks to worksof G. Perelman, J. Kahn and V. Markovic, D. Wise, and I. Agol among others, compact 3-manifolds can now beconsidered to be reasonably well-understood.By contrast, noncompact 3-manifolds remainmuch more mysterious. There is a series of examples,beginning with work of L. Antoine and J. H. C. Whitehead,which show that open 3-manifolds can exhibit wildbehavior at infinity. No comprehensive structure theoryanalogous to geometrization à la Thurston is currently availablefor these objectsIn these lectures, we will focus on two aspects of the subject:(1) constructing interesting examples, and(2) finding sufficientconditions that rule out exotic examples, in particular inconnection with Riemannian geometry.

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Anglais
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Fanny Bastien (Réalisation)
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CC BY-NC-ND 4.0
Citer cette ressource:
I_Fourier. (2016, 14 juin). Sylvain Maillot - An introduction to open 3-manifolds (Part 2). [Vidéo]. Canal-U. https://www.canal-u.tv/87225. (Consultée le 28 mai 2022)
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