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» The Complexity of Unions of Disjoint Sets
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MICS
2007
57views more  MICS 2007»
15 years 5 months ago
Pseudozero Set of Real Multivariate Polynomials
The pseudozero set of a system P of polynomials in n variables is the subset of Cn consisting of the union of the zeros of all polynomial systems Q that are near to P in a suitable...
Stef Graillat
COMPGEOM
1996
ACM
15 years 10 months ago
Flipping Edges in Triangulations
A triangulation of a point set Pn is a partitioning of the convex hull Conv(Pn) into a set of triangles with disjoint interiors such that the vertices of these triangles are in Pn...
Ferran Hurtado, Marc Noy, Jorge Urrutia
WG
2010
Springer
15 years 4 months ago
Generalized Graph Clustering: Recognizing (p, q)-Cluster Graphs
Cluster Editing is a classical graph theoretic approach to tackle the problem of data set clustering: it consists of modifying a similarity graph into a disjoint union of cliques,...
Pinar Heggernes, Daniel Lokshtanov, Jesper Nederlo...
CORR
1999
Springer
65views Education» more  CORR 1999»
15 years 5 months ago
Unambiguous Computation: Boolean Hierarchies and Sparse Turing-Complete Sets
It is known that for any class C closed under union and intersection, the Boolean closure of C, the Boolean hierarchy over C, and the symmetric difference hierarchy over C all are ...
Lane A. Hemaspaandra, Jörg Rothe
ADC
2005
Springer
111views Database» more  ADC 2005»
15 years 11 months ago
Redundancy, Dependencies and Normal Forms for XML Databases
With the advent of XML and its use as a database language, dependency and normal form theory has attracted novel research interest. Several approaches to build up a dependency and...
Klaus-Dieter Schewe