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» A topological characterization of weakness
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MLQ
2010
226views more  MLQ 2010»
15 years 4 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
APAL
2007
77views more  APAL 2007»
15 years 6 months ago
The hyper-weak distributive law and a related game in Boolean algebras
We discuss the relationship between various weak distributive laws and games in Boolean algebras. In the first part we give some game characterizations for certain forms of Prikr...
James Cummings, Natasha Dobrinen
141
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MJ
2008
74views more  MJ 2008»
15 years 6 months ago
Wigner function and decoherence in a microcavity-Qdot system
The relation between the master equation and the Wigner function to characterize the dissipative system dynamics (evolution, mixedness and decoherence) between a three-level quant...
Juan P. Restrepo, Herbert Vinck-Posada, Boris A. R...
BMCBI
2008
116views more  BMCBI 2008»
15 years 6 months ago
A novel representation of RNA secondary structure based on element-contact graphs
Background: Depending on their specific structures, noncoding RNAs (ncRNAs) play important roles in many biological processes. Interest in developing new topological indices based...
Wenjie Shu, Xiaochen Bo, Zhiqiang Zheng, Shengqi W...
QEST
2007
IEEE
16 years 14 days ago
Symbolic Bisimulations for Probabilistic Systems
The paper introduces symbolic bisimulations for a simple probabilistic π-calculus to overcome the infinite branching problem that still exists in checking ground bisimulations b...
Peng Wu 0002, Catuscia Palamidessi, Huimin Lin