Tissue P Systems with Cooperating Rules

Tissue P systems are a class of distributed and parallel computing models which are inspired from tissues. The concept of cooperation, which comes from grammar systems, is introduced into tissue P systems, by which rules in each cell are divided into several components. In each computational step, only one component of the whole tissue P system is active, and only rules belonging to this active component can be executed. Both the choice of active component and the switching between active components have several cooperating modes. The computational power of such tissue P system is proved working in several modes.