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» Constraints, Graphs, Algebra, Logic, and Complexity
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CSR
2008
Springer
13 years 4 months ago
Colouring, constraint satisfaction, and complexity
Constraint satisfaction problems have enjoyed much attention since the early seventies, and in the last decade have become also a focus of attention amongst theoreticians. Graph c...
Pavol Hell, Jaroslav Nesetril
CSL
2010
Springer
13 years 5 months ago
The Complexity of Positive First-Order Logic without Equality II: The Four-Element Case
We study the complexity of evaluating positive equality-free sentences of first-order (FO) logic over fixed, finite structures B. This may be seen as a natural generalisation of th...
Barnaby Martin, Jos Martin
MFCS
1997
Springer
13 years 9 months ago
Integrating the Specification Techniques of Graph Transformation and Temporal Logic
The aim of this paper is an integration of graph grammars with different kinds of behavioural constraints, in particular with temporal logic constraints. Since the usual algebraic ...
Reiko Heckel, Hartmut Ehrig, Uwe Wolter, Andrea Co...
AMAST
2010
Springer
12 years 11 months ago
Matching Logic: An Alternative to Hoare/Floyd Logic
Abstract. This paper introduces matching logic, a novel framework for defining axiomatic semantics for programming languages, inspired from operational semantics. Matching logic sp...
Grigore Rosu, Chucky Ellison, Wolfram Schulte