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ISAAC
2007
Springer
124views Algorithms» more  ISAAC 2007»
14 years 1 months ago
Approximating the Crossing Number of Toroidal Graphs
Abstract. CrossingNumber is one of the most challenging algorithmic problems in topological graph theory, with applications to graph drawing and VLSI layout. No polynomial time con...
Petr Hlinený, Gelasio Salazar
JSYML
2008
56views more  JSYML 2008»
13 years 7 months ago
On metric types that are definable in an o-minimal structure
Abstract. In this paper we study the metric spaces that are definable in a polynomially bounded ominimal structure. We prove that the family of metric spaces definable in a given p...
Guillaume Valette
JCAM
2010
108views more  JCAM 2010»
13 years 2 months ago
Lattices on simplicial partitions
In this paper, (d + 1)-pencil lattices on simplicial partitions in Rd are studied. The barycentric approach naturally extends the lattice from a simplex to a simplicial partition,...
Gasper Jaklic, Jernej Kozak, Marjeta Krajnc, Vito ...
DISOPT
2008
78views more  DISOPT 2008»
13 years 7 months ago
N-fold integer programming
In this article we study a broad class of integer programming problems in variable dimension. We show that these so-termed n-fold integer programming problems are polynomial time ...
Jesús A. De Loera, Raymond Hemmecke, Shmuel...
CEC
2009
IEEE
14 years 2 months ago
Rigorous time complexity analysis of Univariate Marginal Distribution Algorithm with margins
—Univariate Marginal Distribution Algorithms (UMDAs) are a kind of Estimation of Distribution Algorithms (EDAs) which do not consider the dependencies among the variables. In thi...
Tianshi Chen, Ke Tang, Guoliang Chen, Xin Yao