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GROUP
2009
ACM
14 years 2 months ago
2009
ACM
Open content web sites depend on users to produce information of value. Wikipedia is the largest and most well-known such site. Previous work has shown that a small fraction of ed...
STOC
2002
ACM
14 years 7 months ago
2002
ACM
Let f : {0, 1}n {0, 1} be a boolean function. For 0 let D (f) be the minimum depth of a decision tree for f that makes an error for fraction of the inputs x {0, 1}n . We also ma...
ARSCOM
2008
13 years 7 months ago
2008
We present 3 open challenges in the field of Costas arrays. They are: a) the determination of the number of dots on the main diagonal of a Welch array, and especially the maximal ...
EUROCRYPT
1987
Springer
13 years 11 months ago
1987
Springer
Sequences with almost perfect linear complexity profile are defined by H. Niederreiter[4]. C.P. Xing and K.Y. Lam[5, 6] extended this concept from the case of single sequences to ...
DAM
2007
13 years 7 months ago
2007
In this paper we define Sturmian graphs and we prove that all of them have a certain “counting” property. We show deep connections between this counting property and two conj...