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EJC
2008
13 years 8 months ago
Identifying codes of cycles with odd orders
The problem of the r-identifying code of a cycle Cn has been solved totally when n is even. Recently, S. Gravier et al. give the r-identifying code for the cycle Cn with the minim...
Min Xu, Krishnaiyan Thulasiraman, Xiao-Dong Hu
EOR
2008
85views more  EOR 2008»
13 years 8 months ago
The Linear Ordering Problem with cumulative costs
Several optimization problems require finding a permutation of a given set of items that minimizes a certain cost function. These problems are naturally modelled in graph-theory t...
Livio Bertacco, Lorenzo Brunetta, Matteo Fischetti
CAGD
2006
94views more  CAGD 2006»
13 years 8 months ago
High order approximation of rational curves by polynomial curves
We show that many rational parametric curves can be interpolated, in a Hermite sense, by polynomial curves whose degree, relative to the number of data being interpolated, is lowe...
Michael S. Floater
JCT
2008
70views more  JCT 2008»
13 years 8 months ago
Bruhat order, smooth Schubert varieties, and hyperplane arrangements
The aim of this article is to link Schubert varieties in the flag manifold with hyperplane arrangements. For a permutation, we construct a certain graphical hyperplane arrangement....
Suho Oh, Alexander Postnikov, Hwanchul Yoo
AMC
2008
66views more  AMC 2008»
13 years 8 months ago
New third order nonlinear solvers for multiple roots
ct 7 Two third order methods for finding multiple zeros of nonlinear functions are developed. One method is based on 8 Chebyshev's third order scheme (for simple roots) and th...
B. Neta