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ENDM
2010
136views more  ENDM 2010»
13 years 9 months ago
Approximating the asymmetric profitable tour
Abstract We study the version of the asymmetric prize collecting traveling salesman problem, where the objective is to find a directed tour that visits a subset of vertices such th...
Viet Hung Nguyen, Thi Thu Thuy Nguyen
CP
2006
Springer
14 years 18 days ago
Inner and Outer Approximations of Existentially Quantified Equality Constraints
We propose a branch and prune algorithm that is able to compute inner and outer approximations of the solution set of an existentially quantified constraint where existential param...
Alexandre Goldsztejn, Luc Jaulin
COLOGNETWENTE
2010
13 years 7 months ago
Approximating Independent Set in Semi-Random Graphs
We present an algorithm for the independent set problem on semi-random graphs, which are generated as follows: An adversary chooses an n-vertex graph, and then each edge is flipp...
Bodo Manthey, Kai Plociennik
APPROX
2008
Springer
135views Algorithms» more  APPROX 2008»
13 years 11 months ago
The Directed Minimum Latency Problem
We study the directed minimum latency problem: given an n-vertex asymmetric metric (V, d) with a root vertex r V , find a spanning path originating at r that minimizes the sum of...
Viswanath Nagarajan, R. Ravi
ISSAC
1995
Springer
108views Mathematics» more  ISSAC 1995»
14 years 13 days ago
A Solution to the Extended GCD Problem
An improved method for expressing the greatest common divisor of n numbers as an integer linear combination of the numbers is presented and analyzed, both theoretically and practi...
Bohdan S. Majewski, George Havas