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» A Theory of Closure Operators
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CIE
2005
Springer
15 years 10 months ago
Towards Computability of Higher Type Continuous Data
Abstract. This paper extends the logical approach to computable analysis via Σ–definability to higher type continuous data such as functionals and operators. We employ definab...
Margarita V. Korovina, Oleg V. Kudinov
APLAS
2003
ACM
15 years 10 months ago
Observing Asymmetry and Mismatch
The chi calculus is studied in the framework incorporating two constructions widely useful in applications: asymmetric communication and mismatch condition. The barbed bisimilarity...
Xiaoju Dong, Yuxi Fu
ICALP
2003
Springer
15 years 10 months ago
Bisimulation Proof Methods for Mobile Ambients
We study the behavioural theory of Cardelli and Gordon’s Mobile Ambients. We give an lts based operational semantics, and a labelled bisimulation based equivalence that coincide...
Massimo Merro, Francesco Zappa Nardelli
CONCUR
2000
Springer
15 years 9 months ago
Chi Calculus with Mismatch
The theory of chi processes with the mismatch operator is studied. Two open congruence relations are investigated. These are weak early open congruence and weak late open congruenc...
Yuxi Fu, Zhenrong Yang
ROOM
2000
15 years 6 months ago
Object-Oriented Refinement and Proof using Behaviour Functions
This paper proposes a new calculus for expressing the behaviour of object-oriented systems. The semantics of the calculus is given in terms of operators from computational categor...
Tony Clark