Abstract
Membrane computing is a branch of molecular computing that aims to develop models and paradigms that are biologically motivated. It identifies an unconventional computing model, namely a P system, from natural phenomena of cell evolutions and chemical reactions. Because of the nature of maximal parallelism inherent in the model, P systems have a great potential for implementing massively concurrent systems in an efficient way that would allow us to solve currently intractable problems (in much the same way as the promise of quantum and DNA computing) once future bio-technology (or silicon-technology) gives way to a practical bio-realization (or chip realization). Here we report on recent results that answer some interesting and fundamental open questions in the field. These concern computational issues such as determinism versus nondeterminism, membrane and alphabet-size hierarchies, and various notions of parallelism.
This wark was supported in part by NSF Grants CCR-0208595, CCF-0430945, and IIS-0451097. Some of the results reported here were obtained jointly with Zhe Dang, Sara Woodworth, and Hsu-Chun Yen.
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Ibarra, O.H. (2005). Some Computational Issues in Membrane Computing. In: JÈ©drzejowicz, J., Szepietowski, A. (eds) Mathematical Foundations of Computer Science 2005. MFCS 2005. Lecture Notes in Computer Science, vol 3618. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11549345_4
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