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ECCC
2010
103views more  ECCC 2010»
13 years 7 months ago
Pseudorandom Generators for Regular Branching Programs
We give new pseudorandom generators for regular read-once branching programs of small width. A branching program is regular if the in-degree of every vertex in it is either 0 or 2...
Mark Braverman, Anup Rao, Ran Raz, Amir Yehudayoff
EUROCOLT
1999
Springer
13 years 11 months ago
Regularized Principal Manifolds
Many settings of unsupervised learning can be viewed as quantization problems — the minimization of the expected quantization error subject to some restrictions. This allows the ...
Alex J. Smola, Robert C. Williamson, Sebastian Mik...
ECCC
2008
117views more  ECCC 2008»
13 years 7 months ago
The complexity of learning SUBSEQ(A)
Higman essentially showed that if A is any language then SUBSEQ(A) is regular, where SUBSEQ(A) is the language of all subsequences of strings in A. Let s1, s2, s3, . . . be the sta...
Stephen A. Fenner, William I. Gasarch, Brian Posto...
RSA
2010
108views more  RSA 2010»
13 years 5 months ago
Resolvent of large random graphs
We analyze the convergence of the spectrum of large random graphs to the spectrum of a limit infinite graph. We apply these results to graphs converging locally to trees and deri...
Charles Bordenave, Marc Lelarge
CORR
2010
Springer
132views Education» more  CORR 2010»
13 years 7 months ago
Small NFAs from Regular Expressions: Some Experimental Results
Regular expressions (REs), because of their succinctness and clear syntax, are the common choice to represent regular languages. However, efficient pattern matching or word recogni...
Hugo Gouveia, Nelma Moreira, Rogério Reis