The study identifies GOF-knots in 3-manifolds with reducible genus two Heegaard splittings.
problem Determining GOF-knots in 3-manifolds with reducible genus two Heegaard splittings.
method Using a necessary and sufficient condition for decomposing a genus two handlebody, the study identifies GOF-knots by analyzing simple closed curves on the Heegaard surface.
result The number and positions of GOF-knots in 3-manifolds with reducible genus two Heegaard splittings are determined.