WAOA
2010
Springer
13 years 9 months ago
2010
Springer
In this paper, we improve a result by Arora, Khot, Kolla, Steurer, Tulsiani, and Vishnoi on solving the Unique Games problem on expanders. Given a (1-)-satisfiable instance of Uniq...
WAOA
2010
Springer
13 years 9 months ago
2010
Springer
We consider the problem to minimize the weighted sum of completion times in nonpreemptive parallel machine scheduling. In a landmark paper from 1986, Kawaguchi and Kyan [5] showed ...
WAOA
2010
Springer
13 years 9 months ago
2010
Springer
We consider cut games where players want to cut themselves off from different parts of a network. These games arise when players want to secure themselves from areas of potential i...
WAOA
2010
Springer
13 years 9 months ago
2010
Springer
The r-domination search game on graphs is a game-theoretical approach to several graph and hypergraph parameters including treewidth and hypertree width. The task is to identify t...
WAOA
2010
Springer
13 years 9 months ago
2010
Springer
We study approximation solutions for the densest k-subgraph problem (DS-k) on several classes of intersection graphs. We adopt the concept of -quasi elimination orders, introduced ...
WAOA
2010
Springer
13 years 9 months ago
2010
Springer
We study flows over time in networks with transit times on the arcs. Transit times describe how long it takes to traverse an arc. A flow over time specifies for each arc a time-dep...
WAOA
2010
Springer
13 years 9 months ago
2010
Springer
Abstract. We consider the train delivery problem which is a generalization of the bin packing problem and is equivalent to a one dimensional version of the vehicle routing problem ...
WAOA
2010
Springer
13 years 9 months ago
2010
Springer
We study an extension of the unit-demand pricing problem in which the seller may offer bundles of items. If a customer buys such a bundle she is guaranteed to get one item out of i...
WAOA
2010
Springer
13 years 9 months ago
2010
Springer
We study the problem of producing a global ranking of items given pairwise ranking information, when the items to be ranked arrive in an online fashion. We study both the maximizat...
WAOA
2010
Springer
13 years 9 months ago
2010
Springer
The past few years have witnessed a number of interesting online algorithms for deadline scheduling in the dynamic speed scaling model (in which a processor can vary its speed to ...