Abstract
For a knot K with ΔK(t)≐t2−3t+1 in a homology 3-sphere, let M be the result of 2/q-surgery on K. We show that appropriate assumptions on the Reidemeister torsion and the Casson–Walker–Lescop invariant of the universal abelian covering of M imply q=±1, if M is a Seifert fibered space.
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