3208 search results - page 332 / 642 » A Lower Bound for Primality |
192
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CORR
2007
Springer
15 years 6 months ago
2007
Springer
— We characterize the capacity of the general class of noncoherent underspread wide-sense stationary uncorrelated scattering (WSSUS) time-frequency-selective Rayleigh fading chan...
130
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CORR
2007
Springer
15 years 6 months ago
2007
Springer
We propose an information–theoretic approach to the watermark embedding and detection under limited detector resources. First, we present asymptotically optimal decision regions...
136
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IPL
2006
15 years 6 months ago
2006
We show that computing the lexicographically first four-coloring for planar graphs is p 2hard. This result optimally improves upon a result of Khuller and Vazirani who prove this ...
148
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JC
2006
15 years 6 months ago
2006
We study the randomized approximation of weakly singular integral operators. For a suitable class of kernels having a standard type of singularity and being otherwise of finite sm...
211
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IDA
2007
Springer
15 years 6 months ago
2007
Springer
Abstract. This paper introduces a new algorithm for approximate mining of frequent patterns from streams of transactions using a limited amount of memory. The proposed algorithm co...