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JSYML
2006
124views more  JSYML 2006»
15 years 4 months ago
Glivenko theorems for substructural logics over FL
It is well known that classical propositional logic can be interpreted in intuitionistic propositional logic. In particular Glivenko's theorem states that a formula is provabl...
Nikolaos Galatos, Hiroakira Ono
CDC
2010
IEEE
126views Control Systems» more  CDC 2010»
14 years 11 months ago
An algebraic framework for quadratic invariance
In this paper, we present a general algebraic framework for analysing decentralized control systems. We consider systems defined by linear fractional functions over a commutative ...
Laurent Lessard, Sanjay Lall
SIAMCOMP
2008
124views more  SIAMCOMP 2008»
15 years 4 months ago
A Faster, Better Approximation Algorithm for the Minimum Latency Problem
We give a 7.18-approximation algorithm for the minimum latency problem that uses only O(n log n) calls to the prize-collecting Steiner tree (PCST) subroutine of Goemans and Willia...
Aaron Archer, Asaf Levin, David P. Williamson
129
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STACS
2007
Springer
15 years 10 months ago
On Completing Latin Squares
We present a (2 3 − o(1))-approximation algorithm for the partial latin square extension (PLSE) problem. This improves the current best bound of 1 − 1 e due to Gomes, Regis, an...
Iman Hajirasouliha, Hossein Jowhari, Ravi Kumar, R...
ICALP
2005
Springer
15 years 9 months ago
Decidability in Syntactic Control of Interference
We investigate the decidability of observational equivalence and approximation in “Syntactic Control of Interference” (SCI). By asg denotations of terms in an inequationally fu...
James Laird