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FOCS
2006
IEEE
14 years 2 months ago
2006
IEEE
In this paper we present a new approximation algorithm for Unique Games. For a Unique Game with n vertices and k states (labels), if a (1 − ε) fraction of all constraints is sa...
FOCS
2006
IEEE
14 years 2 months ago
2006
IEEE
In this paper, we use random-selection protocols in the full-information model to solve classical problems in distributed computing. Our main results are the following: • An O(l...
FOCS
2006
IEEE
14 years 2 months ago
2006
IEEE
We give the first representation-independent hardness results for PAC learning intersections of halfspaces, a central concept class in computational learning theory. Our hardness...
FOCS
2006
IEEE
14 years 2 months ago
2006
IEEE
We establish the exact threshold for the reconstruction problem for a binary asymmetric channel on the b-ary tree, provided that the asymmetry is sufficiently small. This is the ...
FOCS
2006
IEEE
14 years 2 months ago
2006
IEEE
We present an algorithm for the c-approximate nearest neighbor problem in a d-dimensional Euclidean space, achieving query time of O(dn1/c2 +o(1) ) and space O(dn + n1+1/c2 +o(1) ...