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» Lagrangian Relaxation and Partial Cover
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4OR
2007
116views more  4OR 2007»
13 years 5 months ago
Partial Lagrangian relaxation for general quadratic programming
Alain Faye, Frédéric Roupin
ORL
2011
12 years 11 months ago
Convex approximations to sparse PCA via Lagrangian duality
We derive a convex relaxation for cardinality constrained Principal Component Analysis (PCA) by using a simple representation of the L1 unit ball and standard Lagrangian duality. ...
Ronny Luss, Marc Teboulle
EOR
2008
79views more  EOR 2008»
13 years 4 months ago
Local and global lifted cover inequalities for the 0-1 multidimensional knapsack problem
The 0-1 Multidimensional Knapsack Problem (0-1 MKP) is a wellknown (and strongly NP-hard) combinatorial optimization problem with many applications. Up to now, the majority of upp...
Konstantinos Kaparis, Adam N. Letchford
DATE
2000
IEEE
92views Hardware» more  DATE 2000»
13 years 8 months ago
An Efficient Heuristic Approach to Solve the Unate Covering Problem
The classical solving approach for two-level logic minimisation reduces the problem to a special case of unate covering and attacks the latter with a (possibly limited) branch-and...
Roberto Cordone, Fabrizio Ferrandi, Donatella Sciu...