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JCT
2008
67views more  JCT 2008»
14 years 12 months ago
On the number of directions determined by a pair of functions over a prime field
A three-dimensional analogue of the classical direction problem is proposed and an asymptotically sharp bound for the number of directions determined by a nonplanar set in AG(3, p)...
Simeon Ball, András Gács, Pét...
HEURISTICS
2007
165views more  HEURISTICS 2007»
14 years 12 months ago
New heuristics for the maximum diversity problem
Abstract. The Maximum Diversity Problem (MDP) consists in identifying, in a population, a subset of elements, characterized by a set of attributes, that present the most diverse ch...
Geiza C. Silva, Marcos R. Q. de Andrade, Luiz Sato...
CPHYSICS
2004
92views more  CPHYSICS 2004»
14 years 11 months ago
Ultrahigh resolution simulations of mode converted ion cyclotron waves and lower hybrid waves
Full Wave studies of mode conversion (MC) processes in toroidal plasmas have required prohibitive amount of computer resources in the past because of the disparate spatial scales ...
J. C. Wright, P. T. Bonoli, E. D'Azevedo, M. Bramb...
CACM
2000
121views more  CACM 2000»
14 years 11 months ago
A broader approach to personalization
data model provides an abstract, conceptual framework; a concrete syntax is also required and XML is used for this purpose. The XML namespace mechanism serves to identify RDF Schem...
Ibrahim Cingil, Asuman Dogac, Ayca Azgin
COMBINATORICS
2002
92views more  COMBINATORICS 2002»
14 years 11 months ago
On the Excluded Minors for Matroids of Branch-Width Three
Knowing the excluded minors for a minor-closed matroid property provides a useful alternative characterization of that property. It has been shown in [R. Hall, J. Oxley, C. Semple...
Petr Hlinený