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Herd effect in a multi-agent model with a static social network is investigated. The agents are playing the Parrondo’s game which can be considered as an investment game into two slot machines, C and D, so that playing continuously on one slot machine will lose, but by suitable switching the play on these two slot machines a player can win in the long run. This strange effect has its origin in the...
We construct a method of time warping in quasiperiodic time series analysis using genetic algorithm in order to extract the instantaneous phase difference between a template signal and a testing signal. Contrast to previous studies, which involves correlation estimations to determine the shape similarity of two signals taken from the quasiperiodic time series, time warping perform the comparison of...
Flow dynamics in directed network can lead to cascade failures from node and link removal, and this is used as a paradigm for systemic risks in financial systems where the flow is a money flow. In order to reduce systemic risk, we analyze the network topology and find ways of rewiring to ensure that the time for the first node failure can be maximized. The analysis is numerical using genetic algorithm...
Plastic substrates possess conspicuous advantages for flexible thin film solar cell applications due to their superior flexibility and light weight characteristics. However, there are several challenges of using plastic substrates for high performance thin film solar cells since they usually have low melting/softening temperature and high coefficient of thermal expansion (CTE). In this work, we demonstrated...
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