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24-02-2024

Ranks of functions specified by minimal reaction systems and induced by images of singletons

Authors: Husain Intekhab, Wen Chean Teh

Published in: Natural Computing

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Abstract

This paper studies mathematical properties of reaction systems, which is a formal model introduced by Ehrenfeucht and Rozenberg and inspired by biochemical reactions that occur in living cells. Numerous studies have focused on reaction system ranks of functions specified by minimal reaction systems, where the rank refers to the smallest size among the specifying reaction systems. We particularly study the reaction system ranks for a class of union-additive functions specified by minimal reaction systems introduced by Salomaa, which is closed under taking composition. More precisely, when the signature size is two, we obtain a general formula for the reaction system ranks that shows the reaction system rank of each function from this subclass depends on the characteristic of the function. Then, we study the reaction system ranks of such functions with signature size three, as well as establishing a general upper bound for reaction system ranks of such functions with one-to-one signatures for any background set.

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Literature
go back to reference Azimi S, Panchal C, Czeizler E, Petre I (2015) Reaction systems models for the self-assembly of intermediate filaments. Ann. Univ. Buchar. 62(2):9–24 Azimi S, Panchal C, Czeizler E, Petre I (2015) Reaction systems models for the self-assembly of intermediate filaments. Ann. Univ. Buchar. 62(2):9–24
go back to reference Ehrenfeucht A, Rozenberg G (2007) Reaction systems. Fundam. Inform. 75(1–4):263–280MathSciNet Ehrenfeucht A, Rozenberg G (2007) Reaction systems. Fundam. Inform. 75(1–4):263–280MathSciNet
go back to reference Salomaa A (2014) Compositions of reaction systems. J. Autom. Lang. Comb. 19(1–4):279–290MathSciNet Salomaa A (2014) Compositions of reaction systems. J. Autom. Lang. Comb. 19(1–4):279–290MathSciNet
Metadata
Title
Ranks of functions specified by minimal reaction systems and induced by images of singletons
Authors
Husain Intekhab
Wen Chean Teh
Publication date
24-02-2024
Publisher
Springer Netherlands
Published in
Natural Computing
Print ISSN: 1567-7818
Electronic ISSN: 1572-9796
DOI
https://doi.org/10.1007/s11047-024-09973-6

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