Irreducible 3-manifolds that cannot be obtained by 0-surgery on a knot
arXiv:1802.08620 · doi:10.1090/tran/7786
Abstract
We give two infinite families of examples of closed, orientable, irreducible 3-manifolds such that and has weight 1, but is not the result of Dehn surgery along a knot in the 3-sphere. This answers a question of Aschenbrenner, Friedl and Wilton, and provides the first examples of irreducible manifolds with that are known not to be surgery on a knot in the 3-sphere. One family consists of Seifert fibered 3-manifolds, while each member of the other family is not even homology cobordant to any Seifert fibered 3-manifold. None of our examples are homology cobordant to any manifold obtained by Dehn surgery along a knot in the 3-sphere.
arXiv comment18 pages, 8 figures; final version, to appear in Transactions of the AMS
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