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IJCGA
2007
15 years 1 months ago
2007
Given a set of n points in the plane, we consider the problem of computing the circular ordering of the points about a viewpoint q and efficiently maintaining this ordering inform...
APAL
2004
15 years 1 months ago
2004
The purpose of this article is to present a new theory IPA() for fixed points over arithmetic which allows the building up of fixed points in a very nested and entangled way. But ...
CAGD
2004
15 years 1 months ago
2004
We show that all so-called C-curves are affine images of trochoids or sine curves and use this relation to investigate the occurrence of inflection points, cusps, and loops. The re...
COMBINATORICA
2002
15 years 1 months ago
2002
The purpose of this note is to present a relation between directed best approximations of a rational vector and the elements of the minimal Hilbert basis of certain rational point...
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SIAMJO
2000
15 years 1 months ago
2000
Abstract. We propose a BFGS primal-dual interior point method for minimizing a convex function on a convex set defined by equality and inequality constraints. The algorithm generat...