On the effects of firing memory in the dynamics of conjunctive networks

Eric Goles, Pedro Montealegre, Martín Riós-Wilson

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

1 Cita (Scopus)


A boolean network is a map F : {0, 1}n → {0, 1}n that defines a discrete dynamical system by the subsequent iterations of F. Nevertheless, it is thought that this definition is not always reliable in the context of applications, especially in biology. Concerning this issue, models based in the concept of adding asynchronicity to the dynamics were propose. Particularly, we are interested in a approach based in the concept of delay. We focus in a specific type of delay called firing memory and it effects in the dynamics of symmetric (non-directed) conjunctive networks. We find, in the caseis in which the implementation of the delay is not uniform, that all the complexity of the dynamics is somehow encapsulated in the component in which the delay has effect. Thus, we show, in the homogeneous case, that it is possible to exhibit attractors of non-polynomial period. In addition, we study the prediction problem consisting in, given an initial condition, determinate if a fixed coordinate will eventually change its state. We find again that in the non-homogeneous case all the complexity is determined by the component that is affected by the delay and we conclude in the homogeneous case that this problem is PSPACE-complete.

Idioma originalInglés
Páginas (desde-hasta)5765-5793
Número de páginas29
PublicaciónDiscrete and Continuous Dynamical Systems- Series A
EstadoPublicada - oct. 2020
Publicado de forma externa


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