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FUIN
2010
93views more  FUIN 2010»
14 years 10 months ago
SAT as a Programming Environment for Linear Algebra
In this paper we present an application of the propositional SATisfiability environment to computing some simple orthogonal matrices and some interesting tasks in the area of cry...
Marian Srebrny, Lidia Stepien
FUIN
2010
112views more  FUIN 2010»
14 years 10 months ago
An Empirical Study of QBF Encodings: from Treewidth Estimation to Useful Preprocessing
From an empirical point of view, the hardness of quantified Boolean formulas (QBFs), can be characterized by the (in)ability of current state-of-the-art QBF solvers to decide abo...
Luca Pulina, Armando Tacchella
FUIN
2010
109views more  FUIN 2010»
14 years 10 months ago
Combinatorial Optimization Solutions for the Maximum Quartet Consistency Problem
Given a set of taxa S and a complete set of quartet topologies Q over S, the problem of determining a phylogeny that satisfies the maximum number of topologies is called the Maxi...
António Morgado, João Marques-Silva
FUIN
2008
107views more  FUIN 2008»
14 years 10 months ago
Nondeterminism in Constructive Z
The abstraction inherent in most specifications and the need to specify nondeterministic programs are two well-known sources of nondeterminism in formal specifications. In this pap...
Hassan Haghighi, Seyed-Hassan Mirian-Hosseinabadi
FUIN
2006
97views more  FUIN 2006»
14 years 12 months ago
Interactive Systems with Registers and Voices
We present a model and a core programming language appropriate for modeling and programming interactive computing systems. The model consists of rv-systems (interactive systems wit...
Gheorghe Stefanescu