%0 Journal Article %J Journal of Universal Computer Science %D 2003 %T Towards a Calculus of State-based Software Components %A Luis Soares Barbosa %P 891-909 %V 9 %X

This paper introduces a calculus of state_based software components modelled as concrete coalgebras for some Set endofunctors, with specified initial conditions. The calculus is parametrized by a notion of behaviour, introduced as a strong (usually commutative) monad. The proposed component model and calculus are illustrated through the characterisation of a particular class of components, classified as separable, which includes the ones arising in the so-called model oriented approach to systems design.

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