Results 51 to 60 of about 789 (94)

A Metaheuristic Approach to Solving the Generalized Vertex Cover Problem [PDF]

open access: yes, 2010
AMS Subj. Classification: 90C27, 05C85, 90C59The topic is related to solving the generalized vertex cover problem (GVCP) by genetic algorithm. The problem is NP-hard as a generalization of well-known vertex cover problem which was one of the first problems
Milanović, Marija
core  

Column generation algorithms for bi-objective combinatorial optimization problems with a min–max objective

open access: yesEURO Journal on Computational Optimization, 2018
Many practical combinatorial optimization problems can be described by integer linear programs having an exponential number of variables, and they are efficiently solved by column generation algorithms.
Christian Artigues   +2 more
doaj   +1 more source

The new FIFA rules are hard: Complexity aspects of sports competitions [PDF]

open access: yes, 1999
Consider a soccer competition among various teams playing against each other in pairs (matches) according to a previously determined schedule. At some stage of the competition one may ask whether a particular team still has a (theoretical) chance to win ...
Kern, W., Paulusma, D.
core   +1 more source

Uncontrolled inexact information within bundle methods

open access: yesEURO Journal on Computational Optimization, 2017
We consider convex non-smooth optimization problems where additional information with uncontrolled accuracy is readily available. It is often the case when the objective function is itself the output of an optimization solver, as for large-scale energy ...
Jérôme Malick   +2 more
doaj   +1 more source

Approximating the Minimum Equivalent Digraph

open access: yes, 2002
The MEG (minimum equivalent graph) problem is, given a directed graph, to find a small subset of the edges that maintains all reachability relations between nodes. The problem is NP-hard.
Balaji Raghavachari   +7 more
core   +1 more source

The minimum cost multicommodity flow problem in dynamic networks and an algorithm for its solving [PDF]

open access: yesComputer Science Journal of Moldova, 2005
The dynamic version of the minimum cost multicommodity flow problem that generalizes the static minimum cost multicommodity flow problem is formulated and studied.
Maria A. Fonoberova, Dmitrii D. Lozovanu
doaj  

Pattern-based diving heuristics for a two-dimensional guillotine cutting-stock problem with leftovers

open access: yesEURO Journal on Computational Optimization, 2019
In the two-dimensional guillotine cutting-stock problem, the objective is to minimize the number of large plates used to cut a list of small rectangles.
François Clautiaux   +3 more
doaj   +1 more source

Nonuniform random geometric graphs with location-dependent radii

open access: yes, 2012
We propose a distribution-free approach to the study of random geometric graphs. The distribution of vertices follows a Poisson point process with intensity function $nf(\cdot)$, where $n\in \mathbb{N}$, and $f$ is a probability density function on ...
Iyer, Srikanth K., Thacker, Debleena
core   +1 more source

Evaluating performance of image segmentation criteria and techniques

open access: yesEURO Journal on Computational Optimization, 2013
The image segmentation problem is to delineate, or segment, a salient feature in an image. As such, this is a bipartition problem with the goal of separating the foreground from the background. An NP-hard optimization problem, the Normalized Cut problem,
DoritS. Hochbaum   +2 more
doaj   +1 more source

Matching with Couples: a Multidisciplinary Survey [PDF]

open access: yes, 2011
This survey deals with two-sided matching markets where one set of agents (workers/residents) has to be matched with another set of agents (firms/hospitals). We first give a short overview of a selection of classical results.
Biró, Péter, Klijn, Flip
core  

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