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2005-10-11
Twisted Alexander polynomials and surjectivity of a group homomorphism
Teruaki KitanoMasaaki SuzukiMasaaki Wada
文献摘要
If phi: G–>G’ is a surjective homomorphism, we prove that the twisted Alexander polynomial of G is divisible by the twisted Alexander polynomial of G’. As an application, we show non-existence of surjective homomorphism between certain knot groups.
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