%0 Generic %D 2008 %T Research topics arising from the (planned) P systems %A Renana Gershoni %A Ehud Keinan %A Gheorghe Paun %A Ron Piran %A Tamar Ratner %A Sivan Shoshani %C Sevilla, Spain %I FĂ©nix Editora %P 183-192 %S Proceedings of the Sixth Brainstorming Week on Membrane Computing %U http://www.gcn.us.es/6BWMC/volume/openPimplem.pdf %X We formulate here a few technical (mathematical) open problems related to the in vitro bio-chemical experiment planned in Technion for computing the Fibonacci sequence in terms of P systems. So-called local-loop-free P systems are introduced and their universality for various types of P systems as well as other issues are mentioned as research questions. %@ 978-84-612-44