Tiling systems that recognize two-dimensional languages are intrinsically non-deterministic models. We introduce the notion of deterministic tiling system that generalizes determin...
Abstract. The abstraction of cryptographic operations by term algebras, called DolevYao models or symbolic cryptography, is essential in almost all tool-supported methods for provi...
Abstract. Object calculi have been investigated as semantical foundation for object-oriented languages. Often, they are object-based, whereas the mainstream of object-oriented lang...
The aim of this paper is to characterize the notion of aspect in the workspace and in the joint space for parallel manipulators. In opposite to the serial manipulators, the parall...
Delegation is a mechanism that allows a user A to act on another user B's behalf by making B's access rights available to A. It is well recognized as an important mechani...