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Cells switch between various stable genetic programs (attractors) to accommodate environmental conditions. Signal transduction machineries efficiently convey environmental changes to the gene… Expand
Abstract A class of coupled map lattices is investigated as a model for the spatiotemporal chaos. As the parameters are changed, phase transitions among the patterns are observed. Pattern selection… Expand
Mutual information function, which is an alternative to correlation function for symbolic sequences, and a "symbolic spectrum" are calculated for a human DNA sequence containing mostly intron… Expand
Studies in coupled map lattices are briefly surveyed in connection with the papers in the present focus issue.
Abstract Coupled map lattices are investigated as a model for spatiotemporal chaos. Pattern dynamics in diffusively coupled logistic lattice is briefly reviewed with the use of power spectra, domain… Expand
Les regions explosives et laminaires forment une structure geometrique dans l'espace-temps, analogue a celle trouvee dans des automates cellulaires. On etudie le mecanisme de formation de ces… Expand
Abstract Lyapunov analysis for the coupled map lattices is presented. The co-moving Lyapunov exponent is calculated, which is related with the propagation of the disturbance in space. The propagation… Expand
A general relationship between fluctuation and response in a biological system is presented. The fluctuation is given by the variance of some quantity, whereas the response is given as the average… Expand
On etudie des caracteristiques qualitatives d'un reseau a une dimension d'applications logistiques couplees. On trouve des configurations duales-antiduales de cycles 2 n -periodiques avec leurs… Expand