Title: On the Characterization Problem of Alexander Polynomials of Closed 3-Manifolds
Abstract: We give a characterization for the Alexander Polynomials of closed orientable 3-manifolds M with first Betti number 1, as well as some partial results for the characterization problem for M having first Betti number > 1. We first prove an analogue of a theorem of Levine: that the product of an Alexander polynomial of M with a symmetric polynomial in the same number of variables having non 0 trace, is again an Alexander polynomial of a closed orientable 3-manifold. Using the fact that there exists M with Alexander polynomial = 1 for M with first Betti number 1, 2 or 3, we conclude that symmetric polynomials of non 0 trace in 1, 2 or 3 variables are Alexander polynomials of closed orientable 3-manifolds. When the first Betti number of M is 1 we prove that non 0 trace symmetric polynomials are the only ones that can arise. Finally, for M with first Betti number > 3 we prove that the Alexander polynomial can not be 1, implying that for such manifolds not all symmetric polynomials having non 0 trace will occur.
Publication Year: 2014
Publication Date: 2014-06-09
Language: en
Type: preprint
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Cited By Count: 1
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