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3-manifold groups epimorphisms and rigidity

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HTLW02 - 3-manifold workshop

Co-Author Stefan Friedl ( Universität Regensburg)

Given a degree-one map  between two aspherical compact orientable 3-manifolds it is a natural question to find out extra conditions to ensure that it is in fact homotopic to a homeomorphism. We will give two criteria in term of virtual ranks and of virtual heegaard genera. We will also discuss the knot spaces case and some open questions.

This talk is part of the Isaac Newton Institute Seminar Series series.

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