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An evolutionary inspection game with labour unions on small-world networks
Salahuddin M. Kamal, Yas Al-Hadeethi, Fouad A. Abolaban, Fahad M. Al-Marzouki, Matjaž Perc, 2015, original scientific article

Abstract: We study an evolutionary inspection game where agents can chose between working and shirking. The evolutionary process is staged on a small-world network, through which agents compare their incomes and, based on the outcome, decide which strategy to adopt. Moreover, we introduce union members that have certain privileges, of which the extent depends on the bargaining power of the union. We determine how the union affects the overall performance of the firm that employs the agents, and what are its influences on the employees. We find that, depending on its bargaining power, the union has significant leverage to deteriorate the productivity of a firm, and consequently also to lower the long-run benefits of the employees.
Keywords: cooperation, public goods, inspection, unions, physics of social systems
Published in DKUM: 23.06.2017; Views: 1240; Downloads: 356
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Particle swarm optimization for automatic creation of complex graphic characters
Iztok Fister, Matjaž Perc, Karin Fister, Salahuddin M. Kamal, Andres Iglesias, Iztok Fister, 2015, original scientific article

Abstract: Nature-inspired algorithms are a very promising tool for solving the hardest problems in computer sciences and mathematics. These algorithms are typically inspired by the fascinating behavior at display in biological systems, such as bee swarms or fish schools. So far, these algorithms have been applied in many practical applications. In this paper, we present a simple particle swarm optimization, which allows automatic creation of complex two-dimensional graphic characters. The method involves constructing the base characters, optimizing the modifications of the base characters with the particle swarm optimization algorithm, and finally generating the graphic characters from the solution. We demonstrate the effectiveness of our approach with the creation of simple snowman, but we also outline in detail how more complex characters can be created.
Keywords: optimizacija roja, kompleksni sistem, kaos, particle swarm optimization, complex system, graphics, chaos
Published in DKUM: 07.04.2017; Views: 1689; Downloads: 100
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