Zobrazeno 1 - 10
of 48
pro vyhledávání: '"de Oliveira, Paulo Murilo Castro"'
Publikováno v:
Europhysics Letters, 119, 40007 (2017)
A dynamic agent model is introduced with an annual random wealth multiplicative process followed by taxes paid according to a linear wealth-dependent tax rate. If poor agents pay higher tax rates than rich agents, eventually all wealth becomes concen
Externí odkaz:
http://arxiv.org/abs/1711.06164
In this work, we present a comparative study of the accuracy provided by the Wang-Landau sampling and the Broad Histogram method to estimate de density of states of the two dimensional Ising ferromagnet. The microcanonical averages used to describe t
Externí odkaz:
http://arxiv.org/abs/1604.04650
Flow of viscous fluids are not usually discussed in detail in general and basic courses of physics. This is due in part to the fact that the Navier-Stokes equation has analytical solution only for a few restricted cases, while more sophisticated prob
Externí odkaz:
http://arxiv.org/abs/1509.06794
Publikováno v:
Phys. Rev. E 92, 062122 (2015)
In this work we study opinion formation in a population participating of a public debate with two distinct choices. We considered three distinct mechanisms of social interactions and individuals' behavior: conformity, nonconformity and inflexibility.
Externí odkaz:
http://arxiv.org/abs/1505.05163
Publikováno v:
Physica A 409, 48 (2014)
Street demonstrations occur across the world. In Rio de Janeiro, June/July 2013, they reach beyond one million people. A wrathful reader of \textit{O Globo}, leading newspaper in the same city, published a letter \cite{OGlobo} where many social quest
Externí odkaz:
http://arxiv.org/abs/1404.6993
Publikováno v:
J. Phys. A: Math. Theor. 46 (2013) 365102
An evolutionary tree is a cascade of bifurcations starting from a single common root, generating a growing set of daughter species as time goes by. Species here is a general denomination for biological species, spoken languages or any other entity ev
Externí odkaz:
http://arxiv.org/abs/1303.4303
Publikováno v:
Phys. Rev. E 85, 041147 (2012)
In this work we study a modified version of the majority-vote model with noise. In particular, we consider a random diluted square lattice for which a site is empty with a probability $r$. In order to analyze the critical behavior of the model, we pe
Externí odkaz:
http://arxiv.org/abs/1204.3885
Publikováno v:
J. Stat. Mech. P11004 (2011)
In this work we study a modified version of the two-dimensional Sznajd sociophysics model. In particular, we consider the effects of agents' reputations in the persuasion rules. In other words, a high-reputation group with a common opinion may convin
Externí odkaz:
http://arxiv.org/abs/1108.5934
Autor:
de Oliveira, Paulo Murilo Castro, de Oliveira, Suzana Moss, Pereira, Felipe Augusto, Sartorelli, José Carlos
A small and light polystyrene ball is released without initial speed from a certain height above the floor. Then, it falls on air. The main responsible for the friction force against the movement is the wake of successive air vortices which form behi
Externí odkaz:
http://arxiv.org/abs/1005.4086
Autor:
de Oliveira, Paulo Murilo Castro, Stauffer, Dietrich, Wichmann, Soeren, de Oliveira, Suzana Moss
This paper presents Monte Carlo simulations of language populations and the development of language families, showing how a simple model can lead to distributions similar to the ones observed empirically. The model used combines features of two model
Externí odkaz:
http://arxiv.org/abs/0709.0868