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DLT
2009
13 years 5 months ago
Subshifts, Languages and Logic
We study the Monadic Second Order (MSO) Hierarchy over infinite pictures, that is tilings. We give a characterization of existential MSO in terms of tilings and projections of tili...
Emmanuel Jeandel, Guillaume Theyssier
STACS
2009
Springer
14 years 1 days ago
An Order on Sets of Tilings Corresponding to an Order on Languages
Abstract. Traditionally a tiling is defined with a finite number of finite forbidden patterns. We can generalize this notion considering any set of patterns. Generalized tilings...
Nathalie Aubrun, Mathieu Sablik
IANDC
2008
139views more  IANDC 2008»
13 years 7 months ago
Computational complexity of dynamical systems: The case of cellular automata
Abstract. Cellular Automata can be considered discrete dynamical systems and at the same time a model of parallel computation. In this paper we investigate the connections between ...
Pietro di Lena, Luciano Margara
ENTCS
2011
105views more  ENTCS 2011»
13 years 2 months ago
Bridges from Language to Logic: Concepts, Contexts and Ontologies
This paper gives a brief overview of the work on translating natural language sentences into logic done at PARC and distills a few simple-minded lessons. Then we turn our attentio...
Valeria de Paiva