![]() ![]() In the article Combinatory Chemistry: Towards a Simple Model of Emergent Evolution arXiv:2003.07916 Kruszewski and Mikolov introduce Combinatory Chemistry, inspired from the SKI calculus. In chemSKI with tokens: world building and economy in the SKI universe or arXiv:2306.00938 we describe two synthesis rewrites, which are not yet implemented in the chemSKI programs. Individual molecules (graphs) with conservative graph rewrites. Kruszewski and Mikolov Combinatory Chemistry: Towards a Simple Model of Emergent Evolution Later chemlambda and Molecular computers with interaction combinators like graph rewriting systems “Define a molecular computer as one molecule which transforms, by random chemical reactions mediated by a collection of enzymes, into a predictable other molecule, such that the output molecule can be conceived as the result of a computation encoded in the initial molecule. a.p + a’.q -> p + q (complementary ions reaction)īuliga Chemical concrete machine.Based on the Γ-language of Banatre and Metayer.Ĭomputes! Multisets of process calculus terms and operations. ![]() ![]() Later moved to study chemistry as a process calculus: Kappa language, basically async graph-rewriting.īerry and Boudol The chemical abstract machine. (No mechanism to compute the normal form!) Multisets of lambda calculus terms in normal form. Here is a list of such chemistries, according to my knowledge. While in vitro chemistries are very much the fashion, the in vivo chemistries are very intriguing! in vivo: individual molecules in a random environment, lack of external control, like in a living organism.Well stirred solutions (ie multisets), global operations like heating/cooling, chemical reaction networks (see CRNs are the stderr shadow), in vitro: lab like operations or analogies.Artificial chemistries may also be in vivo, or in vitro: ![]()
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