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CSL
2010
Springer
14 years 11 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
CSL
2010
Springer
14 years 11 months ago
Classical and Intuitionistic Subexponential Logics Are Equally Expressive
It is standard to regard the intuitionistic restriction of a classical logic as increasing the expressivity of the logic because the classical logic can be adequately represented i...
Kaustuv Chaudhuri
CSL
2010
Springer
14 years 11 months ago
New Algorithm for Weak Monadic Second-Order Logic on Inductive Structures
We present a new algorithm for model-checking weak monadic second-order logic on inductive structures, a class of structures of bounded clique width. Our algorithm directly manipul...
Tobias Ganzow, Lukasz Kaiser
CSL
2010
Springer
14 years 10 months ago
Signature Extensions Preserve Termination - An Alternative Proof via Dependency Pairs
Abstract. We give the first mechanized proof of the fact that for showing termination of a term rewrite system, we may restrict to well-formed terms using just the function symbols...
Christian Sternagel, René Thiemann
FCSC
2010
170views more  FCSC 2010»
14 years 7 months ago
Formal verification of concurrent programs with read-write locks
Abstract Read-write locking is an important mechanism to improve concurrent granularity, but it is difficult to reason about the safety of concurrent programs with read-write locks...
Ming Fu, Yu Zhang, Yong Li