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» Pairwise Cardinality Networks
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LPAR
2010
Springer
13 years 2 months ago
Pairwise Cardinality Networks
Abstract. We introduce pairwise cardinality networks, networks of comparators, derived from pairwise sorting networks, which express cardinality constraints. We show that pairwise ...
Michael Codish, Moshe Zazon-Ivry
AML
2008
83views more  AML 2008»
13 years 4 months ago
Even more simple cardinal invariants
Using GCH, we force the following: There are continuum many simple cardinal characteristics with pairwise different values. Mathematics Subject Classification (2000) 03E17
Jakob Kellner
CP
2004
Springer
13 years 10 months ago
The Cardinality Matrix Constraint
Cardinality matrix problems are the underlying structure of several real world problems such as rostering, sports scheduling , and timetabling. These are hard computational problem...
Jean-Charles Régin, Carla P. Gomes
JSYML
2008
82views more  JSYML 2008»
13 years 4 months ago
The number of openly generated Boolean algebras
This article is devoted to two different generalizations of projective Boolean algebras: openly generated Boolean algebras and tightly -filtered Boolean algebras. We show that for ...
Stefan Geschke, Saharon Shelah
SAGA
2007
Springer
13 years 10 months ago
Approximate Discovery of Random Graphs
In the layered-graph query model of network discovery, a query at a node v of an undirected graph G discovers all edges and non-edges whose endpoints have different distance from ...
Thomas Erlebach, Alexander Hall, Matús Miha...