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6 papers · 1 filter
Turbulence in small-world networks
M. G. Cosenza, K. Tucci
The transition to turbulence via spatiotemporal intermittency is investigated in the context of coupled maps defined on small-world networks. The local dynamics is given by the Cha…
Dynamics of Coupling Functions in Globally Coupled Maps: Size, Periodicity and Stability of Clusters
M. G. Cosenza, A. Parravano
It is shown how different globally coupled map systems can be analyzed under a common framework by focusing on the dynamics of their respective global coupling functions. We invest…
Transitions to Intermittency and Collective Behavior in Randomly Coupled Map Networks
D. Volchenkov, S. Sequeira, Ph. Blanchard
We study the transitions to spatio-temporal intermittency in networks of randomly coupled Chate-Manneville maps. The relevant paprameters are the network connectivity, coupling str…
The QUEST RR Lyrae Survey: Confirmation of the Clump at 50 kpc and Other Over-Densities in the Outer Halo
A. K. Vivas, R. Zinn, P. Andrews +33
We have measured the periods and light curves of 148 RR Lyrae variables from V=13.5 to 19.7 from the first 100 sq. degrees of the QUEST RR Lyrae survey. Approximately 55% of these…
Pattern Formation on Trees
M. G. Cosenza, K. Tucci
Networks having the geometry and the connectivity of trees are considered as the spatial support of spatiotemporal dynamical processes. A tree is characterized by two parameters: i…
Non-abelian self-duality from self-interaction
Adel Khoudeir
The non-abelian self-dual action in three dimensions is derived using the self-interaction mechanism.