(M,R) Systems and RAF Sets: Common Ideas, Tools and Projections

Juan-Carlos Letelier, Sebastián Jaramillo-Riveri, Ricardo Honorato-Zimmer, Ulises Pereira, Diego Contreras, Bryan Reynaert, Valentina C. Hernandez, Jorge Soto Andrade, María Luz Cárdenas, Athel Cornish-Bowden

Research output: Chapter in Book/Report/Conference proceedingConference contribution


There are deep underlying similarities between Rosen's (M,R) systems as a definition of life and the RAF sets (Reflexive Autocatalytic systems generated by a Food source) introduced by Hordijk and Steel as a way of analyzing autocat-alytic sets of reactions. Using RAF concepts we have systematically explored the set of possible small idealized metabolic networks, searching for instances of (M,R) systems. This exhaustive search has shown that the central requirement of Rosen's framework, unicity of , becomes harder and harder to obtain as the network grows in size. In addition, we give an expression for operators , and in terms of RAF sets.
Original languageEnglish
Title of host publicationProc. of the Alife XII Conference
Number of pages7
Publication statusPublished - 2010


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