Epimorphisms of 3-manifold groups and rigidity
Ponente: Michel Boileau
Institución: Aix-Marseille Université
Tipo de Evento: Investigación
Institución: Aix-Marseille Université
Tipo de Evento: Investigación
| Cuándo |
10/08/2017 de 13:00 a 14:30 |
|---|---|
| Dónde | Salon de Seminarios Graciela Salicrup |
| Agregar evento al calendario |
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Given a proper $\pi_1$-surjective map $f: M \to N$ between two compact aspherical 3-manifolds, it is a natural question to find out extra conditions to ensure that $f$ is homotopic to a homeomorphism. We will give two criteria in term of virtual ranks and of virtual Heegaard genera. We will also discuss some open questions.