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math.GT2004
On the hull numbers of torus links
Ivan Izmestiev
The n-th hull of a union of curves in R^3 is the set of points with the property: Any plane passing through the point intersects the curves at least 2n times. The hull number u(L)…
math.GT2001
Branched Coverings, Triangulations, and 3-Manifolds
Ivan Izmestiev, Michael Joswig
A canonical branched covering over each sufficiently good simplicial complex is constructed. Its structure depends on the combinatorial type of the complex. In this way, each close…