This text addresses all areas of semantics, logics and verification techniques for concurrent systems, in particular process algebras, Petri nets, event-structures, real-time systems, hybrid systems, stochastic systems, decidability, model-checking, verification and refinement.

Invited Lectures.- Temporal Process Logic.- An Unfolding Algorithm for Synchronous Products of Transition Systems.- Petri Nets, Configuration Structures and Higher Dimensional Automata.- Expressiveness and Distributed Implementation of Concurrent Calculi with Link Mobility.- Tutorials.- Techniques for Decidability and Undecidability of Bisimilarity.- Testing Concurrent Systems: A Formal Approach.- Accepted Papers.- Computing Minimum and Maximum Reachability Times in Probabilistic Systems.- Automating Modular Verification.- “Next” Heuristic for On-the-Fly Model Checking.- Model Checking of Message Sequence Charts.- Synthesis of Large Concurrent Programs via Pairwise Composition.- Approximative Symbolic Model Checking of Continuous-Time Markov Chains.- From Synchrony to Asynchrony.- Reachability Analysis of (Timed) Petri Nets Using Real Arithmetic.- Weak and Strong Composition of High-Level Petri Nets.- Model Checking of Time Petri Nets Based on Partial Order Semantics.- Generic Process Algebras for Asynchronous Communication.- Timed Automata and the Theory of Real Numbers.- Metrics for Labeled Markov Systems.- The Expressive Power of Temporal Logic of Actions.- Object Types against Races.- Open Bisimulations on Chi Processes.- Rectangular Hybrid Games.- Localizability of Fairness Constraints and their Distributed Implementations.- Generating Type Systems for Process Graphs.- Weak Bisimilarity with Infinite-State Systems Can Be Decided in Polynomial Time.- Robust Satisfaction.- Statecharts via Process Algebra.- A Partial Order Event Model for Concurrent Objects.- Partial Order Reduction for Model Checking of Timed Automata.- On the Semantics of Place/Transition Nets.- Validating Firewalls in Mobile Ambients.- On Coherence Properties in Term Rewriting Models ofConcurrency.- Synchronous Structures.- Weakest-Congruence Results for Livelock-Preserving Equivalences.- Proof-Checking Protocols Using Bisimulations.- Event Structures as Presheaves—Two Representation Theorems.- Subtyping and Locality in Distributed Higher Order Processes.