COMPGEOM
1991
ACM
14 years 3 months ago
1991
ACM
Given a simple polygon in the plane with two distinguished vertices, s and g, is it possible for two guards to simultaneously walk along the two boundary chains from s to g in suc...
COMPGEOM
1991
ACM
14 years 3 months ago
1991
ACM
We describe methods for triangulating polygonal regions of the plane so that no triangle has a large angle. Our main result is that a polygon with n sides can be triangulated with...
COMPGEOM
1991
ACM
14 years 3 months ago
1991
ACM
We present a new pivot-based algorithm which can be used with minor modification for the enumeration of the facets of the convex hull of a set of points, or for the enumeration o...
COMPGEOM
1991
ACM
14 years 3 months ago
1991
ACM
Given a set of points in the plane, a crossing family is a collection of line segments, each joining two of the points, such that any two line segments intersect internally. Two s...
COMPGEOM
1991
ACM
14 years 3 months ago
1991
ACM
We provide new combinatorial bounds on the complexity of a face in an arrangement of segments in the plane. In particular, we show that the complexity of a single face in an arran...
COMPGEOM
1991
ACM
14 years 3 months ago
1991
ACM