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RML
2006
134views Business» more  RML 2006»
14 years 9 months ago
A Note on Transitive Sets without the Foundation Axiom
We construct a model of set theory without the foundation axiom in which there exists a transitive set whose intersection is not transitive.
Marcin Kysiak
93
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CORR
2002
Springer
99views Education» more  CORR 2002»
14 years 9 months ago
Intersection Types and Lambda Theories
We illustrate the use of intersection types as a semantic tool for showing properties of the lattice of -theories. Relying on the notion of easy intersection type theory we succes...
Mariangiola Dezani-Ciancaglini, Stefania Lusin
LATIN
2010
Springer
15 years 4 months ago
Minimum-Perimeter Intersecting Polygons
Given a set S of segments in the plane, a polygon P is an intersecting polygon of S if every segment in S intersects the interior or the boundary of P. The problem MPIP of computi...
Adrian Dumitrescu, Minghui Jiang
JISE
2008
143views more  JISE 2008»
14 years 9 months ago
A Geometry-Based Secret Image Sharing Approach
This paper solves the visual cryptography problem by the Blakley scheme that is a geometry-based secret sharing strategy. We first partition the protected image into non-overlappi...
Chien-Chang Chen, Wen-Yin Fu
ARSCOM
1998
79views more  ARSCOM 1998»
14 years 9 months ago
A characterization of halved cubes
The vertex set of a halved cube Qd consists of a bipartition vertex set of a cube Qd and two vertices are adjacent if they have a common neighbour in the cube. Let d ≥ 5. Then i...
Wilfried Imrich, Sandi Klavzar, Aleksander Vesel