The homological detection conjecture for incompressible surfaces in 3-manifolds

Let SS be an incompressible surface in a 33--manifold NN, and let MM be the manifold obtained by cutting NN along SS. Let i:SMi:S\to M be either the positive or the negative inclusion. For a homomorphism α:π1(N)G\alpha:\pi_1(N)\to G to a finite group, let H1α(;Z[G])H_1^\alpha(-;\mathbb Z[G]) denote the corresponding twisted homology.

Homological detection conjecture. If

i:H1α(S;Z[G])H1α(M;Z[G])i:H_1^\alpha(S;\mathbb Z[G])\to H_1^\alpha(M;\mathbb Z[G])

is an isomorphism for every homomorphism π1(N)G\pi_1(N)\to G with GG finite, then

i:π1(S)π1(M)i:\pi_1(S)\to\pi_1(M)

is surjective.

The question is identified as a group-theoretic condition from which the preceding fiber-detection conjecture would follow, together with the Geometrization Conjecture. It remains open in the source.

Sources & referencesView supporting material

Primary source

Stefan Friedl and Stefano Vidussi, “Twisted Alexander polynomials and symplectic structures”, arXiv:math/0604398 (2007).

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