Results 251 to 260 of about 30,075 (285)

A Stochastic Cellular Automaton Modeling Gliding and Aggregation of Myxobacteria

open access: closedSIAM Journal on Applied Mathematics, 2000
The myxobacteria are ubiquitous soil bacteria which aggregate under starvation conditions and build fruiting bodies to survive. Until recently the mechanisms of their social gliding, aggregation, and fruiting body formation have not been well understood.
Angela Stevens
semanticscholar   +4 more sources

Catalan numbers out of a stochastic cellular automaton

Journal of Mathematical Physics, 2019
Having constructed a stochastic cellular automaton, which is a simple model of earthquakes and has a stationary state described by Motzkin numbers’ recurrence, we define a stochastic cellular automaton, whose stationary state is characterized by Catalan ...
M. Białecki
semanticscholar   +3 more sources

Diffusion Approximation in a Stochastic Cellular Automaton Model for Epidemics

open access: yesSNE Simulation Notes Europe, 2013
Although microscopic models are nowadays getting more and more popular among, still the modelling approach lacks of appropriate mathematical theory to confidentally rely on the outputs of the derived models.
M. Bicher
semanticscholar   +3 more sources

Car accident in synchronized traffic flow: A stochastic cellular automaton model

International Journal of Modern Physics C, 2020
In this paper, we study the probability of car accidents in the modified Nagel–Schreckenberg (mNaSch) under the periodic boundary condition.
A. Karakhi   +4 more
semanticscholar   +3 more sources

The dynamical models of activated sludge system : stochastic cellular automaton and differential equations

International Journal of Biomathematics, 2012
A stochastic cellular automaton (CA) model for activated sludge system (ASS) is formulated by a series of transition functions upon realistic treatment processes, and it is tested by comparing with ordinary differential equations (ODEs) of ASS. CA system
Jinbao Liao   +4 more
semanticscholar   +4 more sources

Preliminaries on a Stochastic Cellular Automaton Based Framework for Studying the Population Dynamics of COVID-19

International Conference on Cellular Automata for Research and Industry, 2020
The propagation of infectious diseases through social interactions can be mitigated when health measures aim to reduce or remove the results of these interactions. This is the scenario of ongoing COVID-19 pandemic adopted quarantine policies, from social distancing to lockdown, and of immunization programs.
Isaías Lima, P. Oliveira
semanticscholar   +3 more sources

Modeling anisotropic hardening with a stochastic cellular automaton

open access: closedProbabilistic Engineering Mechanics, 2004
The Bauschinger effect refers to an observed asymmetry in the forward and reverse loading curves of a metal or an alloy. It is characterized by the reduction of the absolute value of the yield stress in reverse loading, as compared to the maximum stress imposed on the initial, or forward, loading.
Sarah C. Baxter, A. P. Reynolds
openalex   +3 more sources

Stochastic Cellular-Automaton Model for Traffic Flow

open access: closed, 2006
In recent studies on traffic flow, cellular automata (CA) have been efficiently applied for simulating the motion of vehicles Since each vehicle has an exclusion volume and moves by itself not being ruled by the Newton's laws of motion, CA is quite suitable for modelling traffic flow In the present paper, we propose a stochastic CA model for traffic ...
Masahiro Kanai   +2 more
openalex   +3 more sources

Modeling dynamics of HIV infected cells using stochastic cellular automaton

Physica A: Statistical Mechanics and its Applications, 2014
Abstract Ever since HIV was first diagnosed in human, a great number of scientific works have been undertaken to explore the biological mechanisms involved in the infection and progression of the disease. Several cellular automata (CA) models have been introduced to gain insights into the dynamics of the disease progression but none of them has taken
M. Precharattana, W. Triampo
semanticscholar   +3 more sources

A stochastic cellular automaton for three-coloring penrose tiles

open access: closedComputers & Graphics, 2002
Abstract We present a three-state, stochastic cellular automaton that runs on Penrose tilings and seems to evolve to a three-colored equilibrium.
Mark McClure
openalex   +3 more sources

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