Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Iglesias, Jose Roberto"'
Autor:
Stock, Eduardo V., Valverde, Pablo A., González-Avella, Juan Carlos, Iglesias, José Roberto, Gonçalves, Sebastian, da Silva, Roberto
The Optional Public Goods Game is a three-strategy game in which an individual can play as a cooperator or defector or decide not to participate. Despite its simplicity, this model can effectively represent many human social dilemmas, such as those f
Externí odkaz:
http://arxiv.org/abs/2409.14311
If wealthier people have advantages in having higher returns than poor, inequality will unequivocally increase, but is equal opportunity enough to prevent it? According to several models in economics and econophysics, no. They all display wealth conc
Externí odkaz:
http://arxiv.org/abs/2201.05118
Aiming to describe the wealth distribution evolution, several models consider an ensemble of interacting economic agents that exchange wealth in binary fashion. Intriguingly, models that consider an unbiased market, that gives to each agent the same
Externí odkaz:
http://arxiv.org/abs/2012.00206
Social and economic inequality is a plague of the XXI Century. It is continuously widening, as the wealth of a relatively small group increases and, therefore, the rest of the world shares a shrinking fraction of resources. This situation has been pr
Externí odkaz:
http://arxiv.org/abs/2005.06106
Simple agent based exchange models are a commonplace in the study of wealth distribution in an artificial economy. Generally, in a system that is composed of many agents characterized by their wealth and risk-aversion factor, two agents are selected
Externí odkaz:
http://arxiv.org/abs/1904.05875
Why equal opportunities lead to maximum inequality? The wealth condensation paradox generally solved
Publikováno v:
In Chaos, Solitons and Fractals: the interdisciplinary journal of Nonlinear Science, and Nonequilibrium and Complex Phenomena March 2023 168
Akademický článek
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Publikováno v:
In Communications in Nonlinear Science and Numerical Simulation April 2021 95
This work explores the characteristics of financial contagion in networks whose links distributions approaches a power law, using a model that defines banks balance sheets from information of network connectivity. By varying the parameters for the cr
Externí odkaz:
http://arxiv.org/abs/1410.2549
Autor:
Thomas, Christopher, Simões, Acirete S. da Rosa, Lacroix, Claudine, Iglesias, José Roberto, Coqblin, Bernard
We study the effect of crystal field anisotropy in the underscreened $S=1$ Kondo lattice model. Starting from the two orbital Anderson lattice model and including a local anisotropy term, we show, through Schrieffer-Wolff transformation, that local a
Externí odkaz:
http://arxiv.org/abs/1404.6864