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Thompson's group F is not SCY

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Friedl, Stefan ; Vidussi, S.
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Date of publication of this fulltext: 05 Sep 2016 11:17


In this note we prove that Thompson's group F cannot be the fundamental group of a symplectic 4-manifold with canonical class K=0∈H2(M) by showing that its Hausmann–Weinberger invariant q(F) is strictly positive.

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