Thanks. On 3/20/07, Bruno Marchal <[EMAIL PROTECTED]> wrote: > > You could be interested by a paper introducing String theory as a > syntactical logical structure by the "other Schmidhuber" (Juergen's > brother Christof): > > > Here: > > http://arxiv.org/abs/hep-th/0011065 > > What are strings made of? The possibility is discussed that strings > are purely mathematical objects, made of logical axioms. More > precisely, proofs in simple logical calculi are represented by graphs > that can be interpreted as the Feynman diagrams of certain large-N > field theories. Each vertex represents an axiom. Strings arise, because > these large-N theories are dual to string theories. These ``logical > quantum field theories'' map theorems into the space of functions of > two parameters: N and the coupling constant. Undecidable theorems might > be related to nonperturbative field theory effects. > > > > This is infinitely better than Wolfram pure classical CA approach which > has no rules for distinguishing 1 and 3 person notion, and so miss the > idea of internal emerging physical laws. > > > > > Le 14-mars-07, à 10:23, Mohsen Ravanbakhsh a écrit : > > > I'm thinking there's some kind of similarity between string theory and > > depicting the world as a big CA. In String theory we have some > > vibrating strings which have some kind of influence on each other and > > can for different matters and fields. CA can play such role of > > changing patterns and of course the influence is evident. Different > > rules in CA might correspond to various basic shapes of vibration in > > strings... > > I don't know much about S.T. but the idea of such mapping seems very > > interesting. > > > > -- > > Mohsen Ravanbakhsh. > > > > > > > > > > http://iridia.ulb.ac.be/~marchal/ > > > >
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