Abstract. This paper analyzes the aggregation of different abstract attack relations over a common set of arguments. Each of those attack relations can be considered as the represe...
Abstract It has recently been proved (Je˙z, DLT 2007) that conjunctive grammars (that is, context-free grammars augmented by conjunction) generate some nonregular languages over a...
AI Planning is concerned with the selection of actions towards achieving a goal. Research on cellular automata (CA) is concerned with the question how global behaviours arise from ...
In our terminology, a “deliberation” is a distributed collaborative process, more or less spontaneous, structured, and complex. This process can include both individual and col...
We prove that it is NP-hard to decide whether a polyhedral 3-ball can be triangulated with k simplices. The construction also implies that it is difficult to find the minimal trian...