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Profinite recognition of fibring

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Dawid Kielak
University of Oxford
Wed, 2022-05-18 09:30 - 10:30

A number of remarkable recent results in profinite rigidity use a theorem of Friedl and Vidussi that connects fibring of 3-manifolds with non-vanishing of twisted Alexander polynomials. I will discuss how a similar connection can be exhibited also in setting different from that of 3-manifolds. The talk is based on joint work with Sam Hughes.


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