14518 search results - page 2643 / 2904 » Two Problems for Sophistication |
163
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INFOCOM
2009
IEEE
15 years 11 months ago
2009
IEEE
—Increasingly wireless networks use multi-antenna nodes as in IEEE 802.11n and 802.16. The Physical layer (PHY) in such systems may use the antennas to provide multiple streams o...
152
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CANS
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. In this paper we study Perfectly Secure Message Transmission (PSMT) between a sender S and a receiver R, connected in a directed synchronous network through multiple para...
171
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COMPGEOM
2007
ACM
15 years 6 months ago
2007
ACM
Computing shadow boundaries is a difficult problem in the case of non-point light sources. A point is in the umbra if it does not see any part of any light source; it is in full l...
136
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BMCBI
2007
15 years 4 months ago
2007
Background: Gene-set analysis evaluates the expression of biological pathways, or a priori defined gene sets, rather than that of individual genes, in association with a binary ph...
157
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IANDC
2008
15 years 4 months ago
2008
The problem of computing periods in words, or finite sequences of symbols from a finite alphabet, has important applications in several areas including data compression, string se...