The rules of "Bulgarian solitaire" are considered as an operation on the set of partitions to induce a finite dynamical system. We focus on partitions with no preimage u...
We present a logic that can express properties of freshness, secrecy, structure, and behavior of concurrent systems. In addition to standard logical and temporal operators, our lo...
Modal Transition Systems (MTS) are operational models that distinguish between required and proscribed behaviour of the system to be and behaviour which it is not yet known whethe...
Spacecraft are key components of military operations and everyday life. To achieve space situation awareness, human operators must monitor large numbers of parameters. During off-...
Previous works define the notion of system model, which provides a formal basis for the definition of the semantics of a distributed object-oriented modelling language. This articl...