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math.GT2005★ 1 cited
Alexander polynomials of doubly primitive knots
Kazuhiro Ichihara, Toshio Saito, Masakazu Teragaito
We give a formula for Alexander polynomials of doubly primitive knots.
math.GT2004
Integral non-hyperbolike surgeries
Kazuhiro Ichihara
It is shown that a hyperbolic knot in the 3-sphere admits at most nine integral surgeries yielding 3-manifolds which are reducible or whose fundamental groups are not infinite word…
math.GT2002★ 1 cited
Heegaard gradient of Seifert fibered 3-manifold
Kazuhiro Ichihara
The infimal Heegaard gradient of a compact 3-manifold was defined and studied by Marc Lackenby in an approach toward the well-known virtually Haken conjecture. As instructive examp…