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» Lower Bounds for Dynamic Algorithms
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129
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CORR
2006
Springer
125views Education» more  CORR 2006»
15 years 2 months ago
Barriers and local minima in energy landscapes of stochastic local search
: A local search algorithm operating on an instance of a Boolean constraint satisfaction problem (in particular, k-SAT) can be viewed as a stochastic process traversing successive ...
Petteri Kaski
106
Voted
TIT
2008
116views more  TIT 2008»
15 years 2 months ago
On the Complexity of Hardness Amplification
We study the task of transforming a hard function f, with which any small circuit disagrees on (1 - )/2 fraction of the input, into a harder function f , with which any small circ...
Chi-Jen Lu, Shi-Chun Tsai, Hsin-Lung Wu
126
Voted
TON
2008
109views more  TON 2008»
15 years 2 months ago
Efficient routing in intermittently connected mobile networks: the single-copy case
Abstract--Intermittently connected mobile networks are wireless networks where most of the time there does not exist a complete path from the source to the destination. There are m...
Thrasyvoulos Spyropoulos, Konstantinos Psounis, Ca...
101
Voted
TON
2008
109views more  TON 2008»
15 years 2 months ago
On hierarchical traffic grooming in WDM networks
Abstract--The traffic grooming problem is of high practical importance in emerging wide-area wavelength division multiplexing (WDM) optical networks, yet it is intractable for any ...
Bensong Chen, George N. Rouskas, Rudra Dutta
134
Voted
TWC
2008
99views more  TWC 2008»
15 years 2 months ago
Robust transmit processing for frequency-selective fading channels with imperfect channel feedback
Reliable channel state information at the transmitter (CSIT) can improve the throughput of wireless networks significantly. In a realistic scenario, there is a mismatch between th...
Christof Jonietz, Wolfgang H. Gerstacker, Robert S...