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94
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COMBINATORICS
2000
85views more  COMBINATORICS 2000»
15 years 3 months ago
Parity Systems and the Delta-Matroid Intersection Problem
We consider the problem of determining when two delta-matroids on the same ground-set have a common base. Our approach is to adapt the theory of matchings in 2-polymatroids develo...
André Bouchet, Bill Jackson
147
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IPL
2002
110views more  IPL 2002»
15 years 3 months ago
New bounds on a hypercube coloring problem
In studying the scalability of optical networks, one problem which arises involves coloring the vertices of the n-cube with as few colors as possible such that any two vertices wh...
Hung Q. Ngo, Ding-Zhu Du, Ronald L. Graham
113
Voted
ICDT
2005
ACM
131views Database» more  ICDT 2005»
15 years 9 months ago
Algorithms for the Database Layout Problem
We present a formal analysis of the database layout problem, i.e., the problem of determining how database objects such as tables and indexes are assigned to disk drives. Optimizin...
Gagan Aggarwal, Tomás Feder, Rajeev Motwani...
119
Voted
CORR
2010
Springer
152views Education» more  CORR 2010»
15 years 3 months ago
Microlocal Analysis of the Geometric Separation Problem
Image data are often composed of two or more geometrically distinct constituents; in galaxy catalogs, for instance, one sees a mixture of pointlike structures (galaxy supercluster...
David L. Donoho, Gitta Kutyniok
158
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CORR
2010
Springer
180views Education» more  CORR 2010»
15 years 26 days ago
Shortest path problem in rectangular complexes of global nonpositive curvature
Abstract. CAT(0) metric spaces constitute a far-reaching common generalization of Euclidean and hyperbolic spaces and simple polygons: any two points x and y of a CAT(0) metric spa...
Victor Chepoi, Daniela Maftuleac