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101
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COMBINATORICS
2006
14 years 12 months ago
2006
Beauquier and Nivat introduced and gave a characterization of the class of pseudo-square polyominoes that tile the plane by translation: a polyomino tiles the plane by translation...
LATA
2009
Springer
15 years 6 months ago
2009
Springer
We examine decision problems for various classes of convex languages, previously studied by Ang and Brzozowski under the name “continuous languages”. We can decide whether a la...
110
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ISSAC
2004
Springer
15 years 5 months ago
2004
Springer
The FFLAS project has established that exact matrix multiplication over finite fields can be performed at the speed of the highly optimized numerical BLAS routines. Since many a...
113
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KDD
2004
ACM
15 years 5 months ago
2004
ACM
We present a algorithm based on factor analysis for performing collaborative quality filtering (CQF). Unlike previous approaches to CQF, which estimate the consensus opinion of a...
101
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DM
2002
14 years 11 months ago
2002
Let G be a planar embedded 2-connected graph. Then the vertices of its resonance graph R(G) are the 1-factors of G, two 1-factors being adjacent whenever their symmetric differenc...