Browsing by Author "38f72ab1-8ed5-4262-83f9-3e0ab5159126"
Now showing items 21-33 of 33
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(2008)Data on wealth distributions in trading markets show a power law behavior x- (1+α) at the high end, where, in general, α is greater than 1 (Pareto's law). Models based on kinetic theory, where a set of interacting agents ...
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(2005)The lowest-energy structures of small Pd clusters (2≤N≤13) are computed by means of available phenomenological many-body potentials and by ab initio methods. The lowest-energy configuration is found by means of a genetic ...
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(Old City Publishing, 2016)We model city traffic by a cellular automaton. It consist of a row of interacting cars through a sequence of traffic lights, synchronized by a propagating green signal. We start the system from an initial jammed condition ...
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(1997)An analytic solution for the Heisenberg Hamiltonian with arbitrarily long-range, ferromagnetic and/or antiferromagnetic, interactions on a Bethe lattice is obtained in the semiclassical approximation (S→∞). The density of ...
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(Nature, 2020)Here, we address the consequences of the extension in the space of a simple model of a system that is closed to efficient causation: the (M,R)-system model. To do so, we use a diffusion term to describe the collective ...
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(2004)The structural properties of liquid GeO2 were investigated using molecular dynamics simulation. A comparison of the obtained pair correlation functions, coordination number, angular distribution, and both the neutron and ...
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(1994)The calculation of the surface-induced enhancement of the binding energy of hydrogen impurities in transition metals, previously reported for close-packed surfaces, are extended to open surfaces in the fcc and bcc structures. ...
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(Royal SOC. chemistry, 2018-05)Hollow nanoparticles (hNPs) are of interest because their large cavities and small thickness give rise to a large surface to volume ratio. However, in general they are not in equilibrium and far from their global energy ...
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(Nature Publishing Group, 2018)© 2018, The Author(s). The stochastic dynamics of conserved quantities is an emergent phenomena observed in many complex systems, ranging from social and to biological networks. Using an extension of the Ehrenfest urn model ...
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(2006)We report on a study of the geometrical structure, magnetic properties, and metallic behavior of free-standing CoPd nanoclusters with N=7, 13, 19, 23, and 26 atoms, as a function of cluster size and stoichiometry, in the ...
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(Royal Society of Chemistry, 2019)Oxygen absorption and the thermal stability of Al147 nanoparticles were studied by means of classical molecular dynamics simulations and Monte Carlo methods. The results suggest that for the studied sizes, oxygen incorporation ...
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(Springer, 2016)A complex network analysis of the seismic activity in the central zone of Chile is made, where each node corresponds to a location, where a seism occurs. The 8.3 Illapel earthquake (16 September 2015) is included in the ...
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(AMER Inst. Physics, 2016)A new type of collective excitations, due to the topology of a complex random network that can be characterized by a fractal dimension D-F, is investigated. We show analytically that these excitations generate phase ...
