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JCSS
2008
73views more  JCSS 2008»
15 years 7 months ago
Structure identification of Boolean relations and plain bases for co-clones
We give a quadratic algorithm for the following structure identification problem: given a Boolean relation R and a finite set S of Boolean relations, can the relation R be express...
Nadia Creignou, Phokion G. Kolaitis, Bruno Zanutti...
EJC
2007
15 years 7 months ago
Binary codes from rectangular lattice graphs and permutation decoding
We examine the binary codes obtained from the row span over the field F2 of an adjacency matrix of the rectangular lattice graphs L2(m, n) for 3 ≤ m < n and show that permut...
Jennifer D. Key, P. Seneviratne
AML
2002
62views more  AML 2002»
15 years 6 months ago
Vitali's Theorem and WWKL
Continuing the investigations of X. Yu and others, we study the role of set existence axioms in classical Lebesgue measure theory. We show that pairwise disjoint countable additivi...
Douglas K. Brown, Mariagnese Giusto, Stephen G. Si...
APIN
2004
131views more  APIN 2004»
15 years 6 months ago
Rough Self Organizing Map
A rough self-organizing map (RSOM) with fuzzy discretization of feature space is described here. Discernibility reducts obtained using rough set theory are used to extract domain k...
Sankar K. Pal, Biswarup Dasgupta, Pabitra Mitra
DM
1999
110views more  DM 1999»
15 years 6 months ago
Chow's theorem for linear spaces
If : L L is a bijection from the set of lines of a linear space (P, L) onto the set of lines of a linear space (P , L ) (dim (P, L), dim (P , L ) 3), such that intersecting lin...
Hans Havlicek