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TCS
2008
14 years 11 months ago
Simple permutations: Decidability and unavoidable substructures
We prove that it is decidable whether a finitely based permutation class contains infinitely many simple permutations, and establish an unavoidable substructure result for simple ...
Robert Brignall, Nikola Ruskuc, Vincent Vatter
ISCI
2002
106views more  ISCI 2002»
14 years 11 months ago
Neighborhood operator systems and approximations
This paper presents a framework for the study of generalizing the standard notion of equivalence relation in rough set approximation space with various categories of k-step neighb...
Wei-Zhi Wu, Wen-Xiu Zhang
COLING
2000
15 years 1 months ago
Context-Free Grammar Rewriting and the Transfer of Packed Linguistic Representations
We propose an algorithm for the trausfer of packed linguistic structures, that is, finite collections of labelled graphs which share certain subparts. A labelled graph is seen as ...
Marc Dymetman, Frédéric Tendeau
PKC
2000
Springer
118views Cryptology» more  PKC 2000»
15 years 3 months ago
An Identification Scheme Based on Sparse Polynomials
This paper gives a new example of exploiting the idea of using polynomials with restricted coefficients over finite fields and rings to construct reliable cryptosystems and identif...
William D. Banks, Daniel Lieman, Igor Shparlinski
NC
1998
143views Neural Networks» more  NC 1998»
15 years 1 months ago
Spotting Arabic Phonetic Features Using Modular Connectionist Architectures and a Rule-Based System
This paper reports the results of experiments in complex Arabic phonetic features identification using a rulebased system (SARPH) and modular connectionist architectures. The firs...
Sid-Ahmed Selouani, Jean Caelen