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» On generalized middle-level problem
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96
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MFCS
2009
Springer
15 years 7 months ago
The Longest Path Problem Is Polynomial on Interval Graphs
The longest path problem is the problem of finding a path of maximum length in a graph. Polynomial solutions for this problem are known only for small classes of graphs, while it ...
Kyriaki Ioannidou, George B. Mertzios, Stavros D. ...
97
Voted
TIT
2008
83views more  TIT 2008»
15 years 22 days ago
Hard Problems of Algebraic Geometry Codes
The minimum distance is one of the most important combinatorial characterizations of a code. The maximum likelihood decoding problem is one of the most important algorithmic proble...
Qi Cheng
MP
2006
77views more  MP 2006»
15 years 23 days ago
Zigzag inequalities: a new class of facet-inducing inequalities for Arc Routing Problems
In this paper we introduce a new class of facet-inducing inequalities for the Windy Rural Postman Problem and the Windy General Routing Problem. These inequalities are called Zigz...
Angel Corberán, Isaac Plana, José M....
112
Voted
STOC
2003
ACM
140views Algorithms» more  STOC 2003»
16 years 1 months ago
Approximation schemes for clustering problems
We present a general approach for designing approximation algorithms for a fundamental class of geometric clustering problems in arbitrary dimensions. More specifically, our appro...
Wenceslas Fernandez de la Vega, Marek Karpinski, C...
110
Voted
COR
2006
94views more  COR 2006»
15 years 26 days ago
A comparison of two different formulations for arc routing problems on mixed graphs
Arc Routing Problems on mixed graphs have been modelled in the literature either using just one variable per edge or associating to each edge two variables, each one representing ...
Angel Corberán, Enrique Mota, José M...