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AAIM
2008
Springer
131views Algorithms» more  AAIM 2008»
14 years 1 months ago
Approximating Maximum Edge 2-Coloring in Simple Graphs Via Local Improvement
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 ...
Zhi-Zhong Chen, Ruka Tanahashi
AAIM
2007
Springer
127views Algorithms» more  AAIM 2007»
14 years 1 months ago
An Improved Approximation Algorithm for Maximum Edge 2-Coloring in Simple Graphs
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...
Zhi-Zhong Chen, Ruka Tanahashi
AAIM
2010
Springer
219views Algorithms» more  AAIM 2010»
13 years 10 months ago
Approximating Maximum Edge 2-Coloring in Simple Graphs
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...
Zhi-Zhong Chen, Sayuri Konno, Yuki Matsushita
FOCS
2008
IEEE
14 years 1 months ago
Constant-Time Approximation Algorithms via Local Improvements
We present a technique for transforming classical approximation algorithms into constant-time algorithms that approximate the size of the optimal solution. Our technique is applic...
Huy N. Nguyen, Krzysztof Onak
COMBINATORICA
2010
13 years 1 months ago
Approximation algorithms via contraction decomposition
We prove that the edges of every graph of bounded (Euler) genus can be partitioned into any prescribed number k of pieces such that contracting any piece results in a graph of bou...
Erik D. Demaine, MohammadTaghi Hajiaghayi, Bojan M...