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» Some Second Order Set Theory
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MLQ
2010
226views more  MLQ 2010»
13 years 5 months ago
The Ultrafilter Closure in ZF
: It is well known that, in a topological space, the open sets can be characterized using filter convergence. In ZF (Zermelo-Fraenkel set theory without the Axiom of Choice), we c...
Gonçalo Gutierres
IJRR
2008
100views more  IJRR 2008»
13 years 7 months ago
Comparing the Power of Robots
Robots must complete their tasks in spite of unreliable actuators and limited, noisy sensing. In this paper, we consider the information requirements of such tasks. What sensing a...
Jason M. O'Kane, Steven M. LaValle
JAPLL
2006
114views more  JAPLL 2006»
13 years 7 months ago
The monadic second-order logic of graphs XV: On a conjecture by D. Seese
A conjecture by D. Seese states that if a set of graphs has a decidable monadic second-order theory, then it is the image of a set of trees under a transformation defined by monad...
Bruno Courcelle
SIGACT
2008
103views more  SIGACT 2008»
13 years 7 months ago
Computational geometry column 50
Two long-open problems have been solved: (1) every sufficiently large planar point set in general position contains the vertices of an empty hexagon; (2) every finite collection o...
Joseph O'Rourke
ECOOPW
2000
Springer
13 years 11 months ago
New Issues in Object Interoperability
This report summarizes the presentations, discussions, and outcomes of the ECOOP’2000 Workshop on Object Interoperability, held in Sophia Antipolis, France, on Monday, June 12, 2...
Antonio Vallecillo, Juan Hernández Nú...