<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Renana Gershoni</style></author><author><style face="normal" font="default" size="100%">Ehud Keinan</style></author><author><style face="normal" font="default" size="100%">Gheorghe Paun</style></author><author><style face="normal" font="default" size="100%">Ron Piran</style></author><author><style face="normal" font="default" size="100%">Tamar Ratner</style></author><author><style face="normal" font="default" size="100%">Sivan Shoshani</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%"> Research topics arising from the (planned) P systems </style></title><secondary-title><style face="normal" font="default" size="100%">6th Brainstorming Week on Membrane Computing</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">Proceedings of the Sixth Brainstorming Week on Membrane Computing</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.gcn.us.es/6BWMC/volume/openPimplem.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Fénix Editora</style></publisher><pub-location><style face="normal" font="default" size="100%">Sevilla, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">183-192</style></pages><isbn><style face="normal" font="default" size="100%">978-84-612-44 </style></isbn><abstract><style face="normal" font="default" size="100%">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.</style></abstract></record></records></xml>