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105
Voted
SIAMSC
2008
15 years 17 days ago
2008
In this study, nonnegative matrix factorization is recast as the problem of approximating a polytope on the probability simplex by another polytope with fewer facets. Working on th...
94
Voted
TSP
2010
14 years 7 months ago
2010
This paper considers the downlink beamforming optimization problem that minimizes the total transmission power subject to global shaping constraints and individual shaping constrai...
85
Voted
ISSAC
1998
Springer
15 years 4 months ago
1998
Springer
The subresultant theory for univariate commutative polynomials is generalized to Ore polynomials. The generalization includes: the subresultant theorem, gap structure, and subresu...
93
Voted
TIME
2008
IEEE
15 years 7 months ago
2008
IEEE
Boolean contact algebras constitute a convenient approach to a region based theory of space. In this paper we want to extend this approach to regions moving in time - called timed...
89
Voted
JCT
2006
15 years 18 days ago
2006
The cocircuit graph of an oriented matroid is the 1-skeleton of the cellular decomposition induced by the Topological Representation Theorem due to Folkman and Lawrence (1978) [J....