FCT
2005
Springer
14 years 5 months ago
2005
Springer
Block sorting is used in connection with optical character recognition (OCR). Recent work has focused on finding good strategies which perform well in practice. Block sorting is N...
ESA
2005
Springer
14 years 5 months ago
2005
Springer
We present two polynomial-time approximation algorithms for the metric case of the maximum traveling salesman problem. One of them is for directed graphs and its approximation rat...
FOCS
2006
IEEE
14 years 5 months ago
2006
IEEE
Combinatorial allocation problems require allocating items to players in a way that maximizes the total utility. Two such problems received attention recently, and were addressed ...
WEA
2007
Springer
14 years 5 months ago
2007
Springer
Abstract. The vertex cover problem is a classical NP-complete problem for which the best worst-case approximation ratio is 2− o(1). In this paper, we use a collection of simple g...
TAMC
2007
Springer
14 years 5 months ago
2007
Springer
We study non-overlapping axis-parallel packings of 3D boxes with profits into a dedicated bigger box where rotation is either forbidden or permitted; we wish to maximize the total...
AAIM
2007
Springer
14 years 5 months ago
2007
Springer
The disc covering problem asks to cover a set of points on the plane with a minimum number of fix-sized discs. We develop an O(n(log n)2 (log log n)2 ) deterministic time 2.8334-a...
AAIM
2007
Springer
14 years 5 months ago
2007
Springer
We present a polynomial-time approximation algorithm for legally coloring as many edges of a given simple graph as possible using two colors. It achieves an approximation ratio of...
AAIM
2008
Springer
14 years 5 months ago
2008
Springer
We present a polynomial-time approximation algorithm for legally coloring as many edges of a given simple graph as possible using two colors. It achieves an approximation ratio of ...
ICDCS
2008
IEEE
14 years 6 months ago
2008
IEEE
— Connected dominating set (CDS) has a wide range of applications in wireless ad hoc networks. A number of distributed algorithms for constructing a small CDS in wireless ad hoc ...
GECCO
2009
Springer
14 years 6 months ago
2009
Springer
Indicator-based algorithms have become a very popular approach to solve multi-objective optimization problems. In this paper, we contribute to the theoretical understanding of alg...