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FSTTCS
2007
Springer
15 years 3 months ago
Post Embedding Problem Is Not Primitive Recursive, with Applications to Channel Systems
We introduce PEP, the Post Embedding Problem, a variant of PCP where one compares strings with the subword relation, and PEPreg , a further variant where solutions are constrained ...
Pierre Chambart, Ph. Schnoebelen
POPL
2012
ACM
13 years 5 months ago
Deciding choreography realizability
Since software systems are becoming increasingly more concurrent and distributed, modeling and analysis of interactions among their components is a crucial problem. In several app...
Samik Basu, Tevfik Bultan, Meriem Ouederni
ATVA
2008
Springer
148views Hardware» more  ATVA 2008»
14 years 11 months ago
Decidable Compositions of O-Minimal Automata
We identify a new class of decidable hybrid automata: namely, parallel compositions of semi-algebraic o-minimal automata. The class we consider is fundamental to hierarchical model...
Alberto Casagrande, Pietro Corvaja, Carla Piazza, ...
STACS
2001
Springer
15 years 2 months ago
A Logical Approach to Decidability of Hierarchies of Regular Star-Free Languages
We propose a new, logical, approach to the decidability problem for the Straubing and Brzozowski hierarchies based on the preservation theorems from model theory, on a theorem of ...
Victor L. Selivanov
CONCUR
2008
Springer
14 years 11 months ago
Mixing Lossy and Perfect Fifo Channels
Abstract. We consider asynchronous networks of finite-state systems communicating via a combination of reliable and lossy fifo channels. Depending on the topology, the reachability...
Pierre Chambart, Ph. Schnoebelen