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COMPGEOM
1994
ACM
13 years 9 months ago
1994
ACM
We consider the problem of a robot which has to find a target in an unknown simple polygon, based only on what it has seen so far. A street is a polygon for which the two boundary...
COMPGEOM
1994
ACM
13 years 9 months ago
1994
ACM
We give simple randomized incremental algorithms for computing the k-level in an arrangement of n lines in the plane or in an arrangement of n planes in R3. The expected running ti...
COMPGEOM
1994
ACM
13 years 9 months ago
1994
ACM
We consider the problem of bounding the combinatorial complexity of a single cell in an arrangement of n low-degree algebraic surface patches in 3-space. We show that this complex...
COMPGEOM
1994
ACM
13 years 9 months ago
1994
ACM
Ray (segment) shooting is the problem of determining the first intersection between a ray (directed line segment) and a collection of polygonal or polyhedral obstacles. In order t...
COMPGEOM
1994
ACM
13 years 9 months ago
1994
ACM
Let F be a collection of n d-variate, possibly partially defined, functions, all algebraic of some constant maximum degree. We present a randomized algorithm that computes the vert...