Valid Inequalities for the Constant Capacitated Case
Valid inequalities for the single-item capacitated lot sizing problem with step-wise costs
... of valid inequalities for the single-item capacitated lot sizing problem with step-wise production costs ...cover inequalities derived from the single node flow set are described in order to ...
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Constant-Factor FPT Approximation for Capacitated k-Median
... Syed M. Meesum: Supported by the Polish National Science Centre grant 2015/18/E/ST6/00456. 1 Introduction For many years approximation algorithms and FPT algorithms were developed in parallel. Recently the two paradigms ...
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Constant Factor Approximation for Capacitated k-Center with Outliers
... the case, as shown in Section 5, a skeleton lets us both strengthen the LP relaxation, adding an appropriate constraint, and obtain a more granular decomposition of the initial instance into several subinstances, ...
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On Minimal Valid Inequalities for Mixed Integer Conic Programs
... When K = R n + (or any cone where each pair of its extreme rays is orthogonal), we note that the statement of Corollary 6.1 gives a complete characterization of v.e. 7 Conclusions and Further Research Gomory’s corner ...
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Valid inequalities for two-period relaxations of big-bucket lot-sizing problems : zero setup case
... special case of zero setup times and identify two important mixed integer sets representing relaxations of these ...of valid inequalities and presenting their facet-defining condi- ...these ...
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Valid inequalities for two-period relaxations of big-bucket lot-sizing problems : zero setup case
... using the exact approach whereas the heuristic approach took on average only 3.5 hours for the same instances. In order to further test our heuristic approach on larger in- stances, we have also generated instances with ...
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Valid Inequalities and Reformulation Techniques for Mixed Integer Nonlinear Programming
... cuts, but do not give closed form expressions for them. Finally, [ 8 , 9 ] give a simple formula for an elementary split cut for the standard three dimensional second-order cone. While [ 14 ] develops a procedure to ...
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Generalized Mixed Integer Rounding Valid Inequalities for Mixed Integer Programming Problems
... the case of 3-step MIR, along the path of our proof, we will show that for each n, each of the previous n − 1 MIR facets ...MIR inequalities can be easily extended to the feasible set of a general MIP ...
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Valid inequalities for a single constrained 0-1 MIP set intersected with a conflict graph
... strong valid inequalities that take into account the structure of the simple mixed integer set and that of the vertex packing set simultaneously are ...the case where incompatibilities between binary ...
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Valid inequalities and restrictions for stochastic programming problems with first order stochastic dominance constraints
... discrete case, stochastic optimization models involving second order stochastic dominance (SSD) constraints can be solved by linear programming ...some valid inequalities and restrictions by ...
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Sharp inequalities related to the constant e
... 2. Agarwal, RP, Sen, SK: Pi, Epsilon, Phi with MATLAB: Random and Rational Sequences with Scope in Supercomputing Era. Cambridge Scientific Publishers, Cambridge (2011) 3. Mortici, C: Refinements of some bounds related to ...
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Bonnesen style inequalities on surfaces of constant curvature
... Many inequalities of style (1.2), called Bonnesen-style inequalities, were found along with variations and generalizations in the past decades [2, 5, 6, 8, 11, 19, ...of constant curvature κ, ...
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Continued fraction inequalities for the Euler Mascheroni constant
... m – ln n. (.) There are many famous unsolved problems about the nature of this constant (see, e.g., the survey papers or books of Brent and Zimmermann [], Dence and Dence [], Havil [] and Lagarias []). For ...
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Optimised search heuristic combining valid inequalities and tabu search
... violated valid inequalities that enforce some order between unscheduled operations, and then rebuilds a complete solution respecting those established ...the valid inequalities is used to ...
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Lecture notes 11: Adding valid inequalities (cutting planes)
... Adding valid inequalities (cutting planes) Vincent Conitzer 1 Introduction In the branch-and-bound algorithm, every time we branch, the program splits into two programs with additional ...add valid ...
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Optimizing Glass Coating Lines: MIP Models and Valid Inequalities
... b Saint-Gobain Recherche, 39 quai Lucien-Lefranc, 93303 Aubervilliers, France c Laboratoire d’Informatique de Paris 6, 4 place Jussieu, 75005 Paris, France Abstract Glass coating is a specific transformation aiming at ...
Strong Valid Inequalities for Orthogonal Disjunctions and Polynomial Covering Sets
... Nonconvex inequalities in continuous variables are not naturally ...such inequalities, we establish sufficient conditions under which the convex extension property holds over the non-negative ...
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Lecture 22: Valid inequalities for the integral hull P I
... . Inequalities that are valid for P I but violated by extreme point optimum ¯ x (for max{c T x : x ∈ P }) are known as cuts/cutting planes (since they cut out some part of the polyhedron P ...to ...
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Some sharp continued fraction inequalities for the Euler Mascheroni constant
... m – ln n. (.) It is also known as the Euler-Mascheroni constant. There are many famous unsolved prob- lems about the nature of this constant (see e.g. Dence and Dence [], Havil [] and Lagarias []). For ...
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New progress on the operator inequalities involving improved Young’s and its reverse inequalities relating to the Kantorovich constant
... operator inequalities involving improved Young’s and its reverse inequalities related to the Kittaneh-Manasrah ...Young’s inequalities are promoted, the operator version and the Hilbert-Schmidt form ...
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