Professor ZHOU Chaochen, Institute of Software, Chinese Academy of Sciences. Members of Chinese Academy of Sciences and the Third World Academy of Sciences. Former Director of International Institute for Software Technology, United Nations University. He has had about 30 years research experience in the area of formal techniques for computing systems, in particular for distributed and real-time systems. Associate Prof. Michael R. Hansen. Informatics and Mathematical Modelling, Technical University of Denmark Research interests: Formal Methods, Computer Based Systems, Real-time systems, Hybrid systems, Duration Calculus.

• 1. Introduction.- 2. Interval Logic.- 3. Duration Calculus.- 4. Deadline-Driven Scheduler.- 5. Relative Completeness.- 6. Decidability.- 7. Undecidability.- 8. Model Checking: Linear Duration Invariants.- 9. State Transitions and Events.- 10. Superdense State Transitions.- 11. Neighborhood Logic.- 12. Probabilistic Duration Calculus.- References.- Abbreviations.- Symbol Index.

Professor ZHOU Chaochen, Institute of Software, Chinese Academy of Sciences. Members of Chinese Academy of Sciences and the Third World Academy of Sciences. Former Director of International Institute for Software Technology, United Nations University. He has had about 30 years research experience in the area of formal techniques for computing systems, in particular for distributed and real-time systems. Associate Prof. Michael R. Hansen. Informatics and Mathematical Modelling, Technical University of Denmark Research interests: Formal Methods, Computer Based Systems, Real-time systems, Hybrid systems, Duration Calculus.

• 1. Introduction.- 2. Interval Logic.- 3. Duration Calculus.- 4. Deadline-Driven Scheduler.- 5. Relative Completeness.- 6. Decidability.- 7. Undecidability.- 8. Model Checking: Linear Duration Invariants.- 9. State Transitions and Events.- 10. Superdense State Transitions.- 11. Neighborhood Logic.- 12. Probabilistic Duration Calculus.- References.- Abbreviations.- Symbol Index.

Professor ZHOU Chaochen, Institute of Software, Chinese Academy of Sciences. Members of Chinese Academy of Sciences and the Third World Academy of Sciences. Former Director of International Institute for Software Technology, United Nations University. He has had about 30 years research experience in the area of formal techniques for computing systems, in particular for distributed and real-time systems. Associate Prof. Michael R. Hansen. Informatics and Mathematical Modelling, Technical University of Denmark Research interests: Formal Methods, Computer Based Systems, Real-time systems, Hybrid systems, Duration Calculus.

• 1. Introduction.- 2. Interval Logic.- 3. Duration Calculus.- 4. Deadline-Driven Scheduler.- 5. Relative Completeness.- 6. Decidability.- 7. Undecidability.- 8. Model Checking: Linear Duration Invariants.- 9. State Transitions and Events.- 10. Superdense State Transitions.- 11. Neighborhood Logic.- 12. Probabilistic Duration Calculus.- References.- Abbreviations.- Symbol Index.