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CPAIOR
15 years 6 months ago
2007 Springer 
Abstract. In recent work binary decision diagrams (BDDs) were introduced as a technique for postoptimality analysis for integer programming. In this paper we show that much smaller...
CPAIOR
15 years 6 months ago
2007 Springer 
Portfolio selection is a relevant problem arising in finance and economics. While its basic formulations can be efficiently solved through linear or quadratic programming, its mor...
CPAIOR
15 years 6 months ago
2007 Springer 
Abstract. AND/OR search spaces are a unifying paradigm for advanced algorithmic schemes for graphical models. The main virtue of this representation is its sensitivity to the struc...
CPAIOR
15 years 6 months ago
2007 Springer 
We show how to efficiently model binary constraint problems (BCP) as integer programs. After considering tree-structured BCPs first, we show that a Sherali-Adams-like procedure r...
CPAIOR
15 years 6 months ago
2007 Springer
This paper introduces DEVIATION, a soft global constraint to obtain balanced solutions. A violation measure of the perfect balance can be defined as the Lp norm of the vector vari...
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Operations Research