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IPCO
2007
109views Optimization» more  IPCO 2007»
14 years 29 days ago
Inequalities from Two Rows of a Simplex Tableau
In this paper we explore the geometry of the integer points in a cone rooted at a rational point. This basic geometric object allows us to establish some links between lattice poin...
Kent Andersen, Quentin Louveaux, Robert Weismantel...
IPCO
2007
98views Optimization» more  IPCO 2007»
14 years 29 days ago
Scheduling with Precedence Constraints of Low Fractional Dimension
Abstract. We consider the single machine scheduling problem to minimize the average weighted completion time under precedence constrains. Improving on the various 2-approximation a...
Christoph Ambühl, Monaldo Mastrolilli, Nikola...