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» On the Theory of Structural Subtyping
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FOSSACS
2010
Springer
16 years 1 months ago
Coalgebraic Correspondence Theory
Abstract. We lay the foundations of a first-order correspondence theory for coalgebraic logics that makes the transition structure explicit in the first-order modelling. In parti...
Lutz Schröder, Dirk Pattinson
CSL
2009
Springer
16 years 23 days ago
Automatic Structures of Bounded Degree Revisited
Abstract. It it shown that the first-order theory of an automatic structure, whose Gaifman graph has bounded degree, is decidable in doubly exponential space (for injective automa...
Dietrich Kuske, Markus Lohrey
STACS
2005
Springer
15 years 11 months ago
Dynamic Complexity Theory Revisited
Dynamic complexity investigates the required effort to maintain knowledge about a property of a structure under changing operations. This article introduces a refined notion of ...
Volker Weber, Thomas Schwentick
MOC
2000
73views more  MOC 2000»
15 years 6 months ago
Korovkin tests, approximation, and ergodic theory
We consider sequences of s
Stefano Serra Capizzano
ITA
2008
137views Communications» more  ITA 2008»
15 years 6 months ago
Weakly maximal decidable structures
We prove that there exists a structure M whose monadic second order theory is decidable, and such that the elementary theory of every expansion of M by a constant is undecidable. 1...
Alexis Bès, Patrick Cégielski