International Journal of Computer Theory and Engineering

Abstract—A new variant of P Systems is considered, a rough p system which discussed before as an open problem. The proposed rough p system definition is based on boundary rules and on conditional communication, where communication is controlled by the contents of the strings not by the evolution rules for obtaining these strings.

Index Terms—P systems, membrane computing, rough set, rough P systems.

The authors are with the Computer Science Department, Faculty of Computer Science, MTI University, Cairo, Egypt (e-mail: amged_fathey@hotmail.com, a.badr.fci@gmail.com).

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