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» On Approximability of Minimum Bisection Problem
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PG
2007
IEEE
15 years 4 months ago
Developable Strip Approximation of Parametric Surfaces with Global Error Bounds
Developable surfaces have many desired properties in manufacturing process. Since most existing CAD systems utilize parametric surfaces as the design primitive, there is a great d...
Yong-Jin Liu, Yu-Kun Lai, Shi-Min Hu
SIAMDM
2000
159views more  SIAMDM 2000»
14 years 9 months ago
Approximating Fractional Multicommodity Flow Independent of the Number of Commodities
Abstract. We describe fully polynomial time approximation schemes for various multicommodity flow problems in graphs with m edges and n vertices. We present the first approximation...
Lisa Fleischer
LCN
2005
IEEE
15 years 3 months ago
Approximate Coverage in Wireless Sensor Networks
— Recent advances in microelectronic technology have made it possible to construct compact and inexpensive wireless sensors. Sensor networks have received significant attention ...
Yuzhen Liu, Weifa Liang
FOCS
2008
IEEE
15 years 4 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
STOC
1998
ACM
167views Algorithms» more  STOC 1998»
15 years 2 months ago
An Improved Approximation Algorithm for Multiway Cut
Given an undirected graph with edge costs and a subset of k nodes called terminals, a multiway cut is a subset of edges whose removal disconnects each terminal from the rest. Mult...
Gruia Calinescu, Howard J. Karloff, Yuval Rabani