On the Alexander polynomials of certain three-component links

Kidwell, Mark E.

doi:10.1090/S0002-9939-1978-0482737-X

On the Alexander polynomials of certain three-component links

Author: Mark E. Kidwell
Journal: Proc. Amer. Math. Soc. 71 (1978), 351-354
MSC: Primary 55A25
DOI: https://doi.org/10.1090/S0002-9939-1978-0482737-X
MathSciNet review: 0482737
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Abstract: Let L be a three-component link all of whose linking numbers are zero. Write the Alexander polynomial of L as $\Delta (x,y,z) = (1 - x)(1 - y)(1 - z)f(x,y,z)$ . Then the integer $\vert f(1,1,1)\vert$ is a perfect square.

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