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- Industrial University of SantanderCO23 papers
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- The Abdus Salam International Centre for Theoretical Physics (ICTP)IT21 papers
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17 papers · 1 filter
Network topology and collapse of collective stable chaos
J. Gonzalez-Estevez, M. G. Cosenza
Collective stable chaos consists of the persistence of disordered patterns in dynamical spatiotemporal systems possessing a negative maximum Lyapunov exponent. We analyze the role…
On the equivalence of nonadiabatic fluids
W. Barreto
Here we show how an anisotropic fluid in the diffusion limit can be equivalent to an isotropic fluid in the streaming out limit, in spherical symmetry. For a particular equation of…
Breaking the symmetry of the Randall-Sundrum scenario and the fate of the massive modes
Alejandra Melfo, Nelson Pantoja, Freddy Ramírez
We address in detail the issue of possible resonances in the massive modes on a brane without reflection symmetry. After identifying a set of solvability conditions, we show explic…
Self-similar and charged spheres in the free-streaming approximation
W. Barreto, L. Rosales
We evolve nonadiabatic charged spherical distributions of matter. Dissipation is described by the free-streaming approximation. We match a self-similar interior solution with the R…
An Initial Mass Function for Individual Stars in Galactic Disks: I. Constraining the Shape of the IMF
Antonio Parravano, Christopher F. McKee, David J. Hollenbach
We derive a semi-empirical galactic initial mass function (IMF) from observational constraints. We assume that the star formation rate in a galaxy can be expressed as the product o…
Stratified economic exchange on networks
J. L. Herrera, M. G. Cosenza, K. Tucci
We investigate a model of stratified economic interactions between agents when the notion of spatial location is introduced. The agents are placed on a network with near-neighbor c…