Advances in Artificial Life: 9th European Conference, ECAL by Pietro Speroni di Fenizio, Peter Dittrich (auth.), Fernando

By Pietro Speroni di Fenizio, Peter Dittrich (auth.), Fernando Almeida e Costa, Luis Mateus Rocha, Ernesto Costa, Inman Harvey, António Coutinho (eds.)

This publication constitutes the refereed lawsuits of the ninth eu convention on man made lifestyles, ECAL 2007, held in Lisbon, Portugal, September 2007.

The one hundred twenty five revised complete papers provided have been conscientiously reviewed and chosen. The papers are equipped in topical sections on conceptual articles, morphogenesis and improvement, robotics and self sufficient brokers, evolutionary computation and concept, mobile automata, versions of organic structures and their purposes, ant colony and swarm structures, evolution of verbal exchange, simulation of social interactions, self-replication, man made chemistry, and posters.

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Extra info for Advances in Artificial Life: 9th European Conference, ECAL 2007, Lisbon, Portugal, September 10-14, 2007. Proceedings

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Briefly, we suppose that the replication errors include bit-flips, deletions and insertions (through bit repeats). Given reasonable choices of parameters, and initialising the population with a single homogenous sequence, the dynamic will be as follows. In the first instance, the concentration of the initial sequence will decrease in accordance with the analysis of section 3; but it will remain dominant. However, in due course, a mutant will arise which is one bit longer, but otherwise identical to the initial sequence.

Otherwise the cell divides, giving rise to two statistically equivalent cells. , they define the range of possible states in which it will not break or divide. In terms of Φ , the ratio between S µ and the surface of an ideal sphere of volume Vcore: 2 Φ = S µ / 3 36π Vcore (4) the conditions for stability become 1 ≤ Φ ≤ 3 2 . If one takes into account that the membrane is a relatively elastic structure, two additional parameters can be introduced as follows: (5) 1 − ε ≤ Φ ≤ (1 + η ) 3 2 where ε and η are the burst and fission tolerance, respectively.

Fig. 6. Clathrin-coated vesicular transport. We define a system that models this transport. Its initial membrane structure is shown in Fig. 7. Rules are given to the following parts (the numbers of rules are shown in parentheses): the cytoplasm (13), the Golgi body (1) and its membrane (2), and the endosome (1) and its membrane (2). In the initial state, the Golgi body has cargo molecules (denoted by 0#Ld/), and its membrane has receptors (^0#Rec/). The cytoplasm has several kinds of v-molecules including clathrin (0#Cla/), dynamin (0#DynGdpPi/) and v-SNARE (0#Vs/).

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