Li D

D Li

Information about the author D Li will soon be added to the site.
Found 10 papers in total
On reduction of duality gap in quadratic knapsack problems
On reduction of duality gap in quadratic knapsack problems
2012
We investigate in this paper the duality gap between quadratic knapsack problem and...
An exact solution method for unconstrained quadratic 0–1 programming: a geometric approach
An exact solution method for unconstrained quadratic 0–1 programming: a geometric approach
2012
We explore in this paper certain rich geometric properties hidden behind quadratic...
On zero duality gap in nonconvex quadratic programming problems
On zero duality gap in nonconvex quadratic programming problems
2012
We present in this paper new sufficient conditions for verifying zero duality gap in...
On duality gap in binary quadratic programming
On duality gap in binary quadratic programming
2012
We investigate in this paper the duality gap between the binary quadratic optimization...
Nonconvex quadratically constrained quadratic programming: best D.C. decompositions and their SDP representations
Nonconvex quadratically constrained quadratic programming: best D.C. decompositions and their SDP representations
2011
We propose in this paper a general D.C. decomposition scheme for constructing SDP...
Separable relaxation for nonconvex quadratic integer programming: Integer diagonalization approach
Separable relaxation for nonconvex quadratic integer programming: Integer diagonalization approach
2010
We present in this paper an integer diagonalization approach for deriving new lower...
Optimisation of traceability and operations planning: an integrated model for perishable food production
Optimisation of traceability and operations planning: an integrated model for perishable food production
2009
The food industry has been under pressure regarding improving food safety,...
A production planning model to reduce risk and improve operations management
A production planning model to reduce risk and improve operations management
2010
Traceability has become an essential business function to consistently supply quality...
An exact algorithm for factor model in portfolio selection with roundlot constraints
An exact algorithm for factor model in portfolio selection with roundlot constraints
2009
We consider in this article a factor model in portfolio selection with roundlot...
Convergent Lagrangian and domain cut method for nonlinear knapsack problems
Convergent Lagrangian and domain cut method for nonlinear knapsack problems
2009
The nonlinear knapsack problem, which has been widely studied in the OR literature, is...
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