he correspondence between the role abstraction in Role-based Access Control (RBAC) and the notion of organizational positions, it seems easy to construct role hierarchies. This is...
In this article we would like to present some recent applications of the B formal method to the development of safety critical system. These SIL3/SIL41 compliant systems have their...
— There is a need to replace existing mechanical and electromechanical systems with new ones, where functionality will be mainly implemented by software. The traditional approach...
It is shown that, for any time-invariant exponentially stable linear system with additive disturbances, time-varying exponentially stable interval observers can be constructed. Th...
We provide in this article two characterisation results, describing exactly which terms verify the dinaturality diagram, in Church-style system F and in Curry-style system F. The ...