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» Hardness results for approximating the bandwidth
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154
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ESA
2009
Springer
124views Algorithms» more  ESA 2009»
16 years 22 days ago
Minimum Makespan Multi-vehicle Dial-a-Ride
Dial-a-Ride problems consist of a set V of n vertices in a metric space (denoting travel time between vertices) and a set of m objects represented as source-destination pairs {(si,...
Inge Li Gørtz, Viswanath Nagarajan, R. Ravi
193
Voted
COMPGEOM
2004
ACM
15 years 11 months ago
Low-dimensional embedding with extra information
A frequently arising problem in computational geometry is when a physical structure, such as an ad-hoc wireless sensor network or a protein backbone, can measure local information...
Mihai Badoiu, Erik D. Demaine, Mohammad Taghi Haji...
169
Voted
SIGECOM
2003
ACM
135views ECommerce» more  SIGECOM 2003»
15 years 11 months ago
Playing large games using simple strategies
We prove the existence of -Nash equilibrium strategies with support logarithmic in the number of pure strategies. We also show that the payoffs to all players in any (exact) Nash...
Richard J. Lipton, Evangelos Markakis, Aranyak Meh...
163
Voted
SIGECOM
2010
ACM
154views ECommerce» more  SIGECOM 2010»
15 years 11 months ago
Ranking games that have competitiveness-based strategies
This paper studies —from the perspective of efficient computation— a type of competition that is widespread throughout the plant and animal kingdoms, higher education, politic...
Leslie Ann Goldberg, Paul W. Goldberg, Piotr Kryst...
145
Voted
CRYPTO
2006
Springer
119views Cryptology» more  CRYPTO 2006»
15 years 9 months ago
Rankin's Constant and Blockwise Lattice Reduction
Abstract Lattice reduction is a hard problem of interest to both publickey cryptography and cryptanalysis. Despite its importance, extremely few algorithms are known. The best algo...
Nicolas Gama, Nick Howgrave-Graham, Henrik Koy, Ph...