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» On the Random-Self-Reducibility of Complete Sets
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90
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IJCGA
2006
79views more  IJCGA 2006»
15 years 21 days ago
Well-constrained Completion and Decomposition for under-constrained Geometric Constraint Problems
In this paper, we consider the optimal well-constrained completion problem, that is, for an under-constrained geometric constraint problem, add automatically new constraints in suc...
Gui-Fang Zhang, Xiao-Shan Gao
FOIKS
2008
Springer
15 years 2 months ago
Alternative Characterizations for Program Equivalence under Answer-Set Semantics Based on Unfounded Sets
Logic programs under answer-set semantics constitute an important tool for declarative problem solving. In recent years, two research issues received growing attention. On the one ...
Martin Gebser, Torsten Schaub, Hans Tompits, Stefa...
110
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BMCBI
2005
81views more  BMCBI 2005»
15 years 18 days ago
Evolutionary sequence analysis of complete eukaryote genomes
Background: Gene duplication and gene loss during the evolution of eukaryotes have hindered attempts to estimate phylogenies and divergence times of species. Although current meth...
Jaime E. Blair, Prachi Shah, S. Blair Hedges
99
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SODA
2003
ACM
103views Algorithms» more  SODA 2003»
15 years 2 months ago
On the rectilinear crossing number of complete graphs
We prove a lower bound of 0.3288   n 4¡ for the rectilinear crossing number cr(Kn) of a complete graph on n vertices, or in other words, for the minimum number of convex quadril...
Uli Wagner
108
Voted
CORR
2008
Springer
151views Education» more  CORR 2008»
15 years 24 days ago
Exact Matrix Completion via Convex Optimization
We consider a problem of considerable practical interest: the recovery of a data matrix from a sampling of its entries. Suppose that we observe m entries selected uniformly at ran...
Emmanuel J. Candès, Benjamin Recht