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ICC
2008
IEEE
15 years 6 months ago
2008
IEEE
—We propose a new approach to evaluate the ultimate performance limit of time synchronization in wireless sensor networks based on the estimation theory. In particular the lower ...
COCOON
2003
Springer
15 years 5 months ago
2003
Springer
Abstract. We show that finding roots of Boolean matrices is an NPhard problem. This answers a twenty year old question from semigroup theory. Interpreting Boolean matrices as dire...
CIE
2007
Springer
15 years 3 months ago
2007
Springer
Abstract. Effective domain theory is applied to fuzzy logic to give suitable notions of semi-decidable and decidable L-subset. The connection with the notions of fuzzy Turing machi...
CORR
2010
Springer
14 years 12 months ago
2010
Springer
Hardness results for maximum agreement problems have close connections to hardness results for proper learning in computational learning theory. In this paper we prove two hardnes...
FTSTO
2006
14 years 12 months ago
2006
The notion of long range dependence is discussed from a variety of points of view, and a new approach is suggested. A number of related topics is also discussed, including connect...