Weavings, sections and projections of spherical polyhedra
Discrete Applied Mathematics
Lines in 3-space isotopy, chirality and weavings
Lines in 3-space isotopy, chirality and weavings
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A weaving is a number of lines drawn in the plane so that no three lines intersect at a point, and the intersections are drawn so as to show which of the two lines is above the other. For each integer n ≥ 4 we construct a weaving of n lines, which is not realizable as a projection of a number of lines in 3-space, all of whose subfigures are realizable as such projections.