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Marco Lübbecke

Aachen, Germany

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25
What are the tradeoffs between "exact" and Reinforcement Learning methods for solving optimization problems
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25
Dual bounds of integer programming problems
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21
Machine learning and operations research projects
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20
How to choose between high number of binary variables or fewer number of integer (not only 0 and 1) variables in a IP formulation?
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20
"Best practices" for formulating MIPs
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17
Can presolve reductions change the value of the linear programming relaxation?
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17
Cubic programming and beyond?
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16
When using column generation, can a sub-problem be ignored once and for all once it fails to generate a new column?
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16
How to evaluate the performance of open source solver?
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16
Examples of machine learning applied to operations research?
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15
Duality in mixed integer linear programs
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15
Classics in Operations Research from around WW II?
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14
What is a solution?
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14
Statistical tests for benchmark comparison
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14
A variant of the Shortest Path Problem
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14
Metaheuristic to solve general MIPs
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13
Estimation of the size of Branch-and-Bound trees using ML
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13
CPLEX, number of threads and solving time
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13
Polynomially solvable cases of zero-one programming
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12
Bin Packing with Relational Penalization
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12
How do we call this problem in literature and how to model it?
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11
Relationship between Benders’ decomposition and Dantzig-Wolfe decomposition
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11
Why do we need to measure the difficulty of mixed-integer programming problems?
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10
Heuristics for mixed integer linear and nonlinear programs
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10
Connectivity of two nodes in an arbitrary undirected graph
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10
Does The Modelling Software Make A Difference Regarding A Solution?
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10
Well-known parent/child pairs in the field of OR
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9
Dataset human solutions for OR problems
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9
Guidelines for Linear Optimization approaches?
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8
TSP subtour elimination by assigning distance traveled
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