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» Descriptive Set Theory of Families of Small Sets
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JCB
2000
137views more  JCB 2000»
15 years 1 months ago
NOTUNG: A Program for Dating Gene Duplications and Optimizing Gene Family Trees
Large scale gene duplication is a major force driving the evolution of genetic functional innovation. Whole genome duplications are widely believed to have played an important rol...
Kevin Chen, Dannie Durand, Martin Farach-Colton
BMCBI
2004
83views more  BMCBI 2004»
15 years 1 months ago
VKCDB: Voltage-gated potassium channel database
Background: The family of voltage-gated potassium channels comprises a functionally diverse group of membrane proteins. They help maintain and regulate the potassium ion-based com...
Bin Li, Warren J. Gallin
APAL
2008
63views more  APAL 2008»
15 years 2 months ago
A standard model of Peano arithmetic with no conservative elementary extension
The principal result of this paper answers a long-standing question in the model theory of arithmetic [KS, Question 7] by showing that there exists an uncountable arithmetically cl...
Ali Enayat
CIE
2008
Springer
15 years 3 months ago
The Shrinking Property for NP and coNP
We study the shrinking and separation properties (two notions well-known in descriptive set theory) for NP and coNP and show that under reasonable complexity-theoretic assumptions...
Christian Glaßer, Christian Reitwießne...
APPROX
2009
Springer
156views Algorithms» more  APPROX 2009»
15 years 8 months ago
Small-Bias Spaces for Group Products
Small-bias, or -biased, spaces have found many applications in complexity theory, coding theory, and derandomization. We generalize the notion of small-bias spaces to the setting ...
Raghu Meka, David Zuckerman