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Spontaneously Broken Neutral Symmetry in an Ecological System
Claudio Borile, Miguel A. Muñoz, Sandro Azaele +2
Spontaneous symmetry breaking plays a fundamental role in many areas of condensed matter and particle physics. A fundamental problem in ecology is the elucidation of the mechanisms…
Stochastic Amplification of Fluctuations in Cortical Up-states
Jorge Hidalgo, Luis F. Seoane, Jesus M. Cortes +1
Cortical neurons are bistable; as a consequence their local field potentials can fluctuate between quiescent and active states, generating slow 0.5-2 Hz oscillations which are wide…
Patchiness and Demographic Noise in Three Ecological Examples
Juan A. Bonachela, Miguel A. Munoz, Simon A. Levin
Understanding the causes and effects of spatial aggregation is one of the most fundamental problems in ecology. Aggregation is an emergent phenomenon arising from the interactions…
What ecological factors shape species-area curves in neutral models?
Massimo Cencini, Simone Pigolotti, Miguel A. Muñoz
Understanding factors that shape biodiversity and species coexistence across scales is of utmost importance in ecology, both theoretically and for conservation policies. Species-ar…
Temporal disorder in up-down symmetric systems
Ricardo Martinez-Garcia, Federico Vazquez, Cristobal Lopez +1
The effect of temporal disorder on systems with up-down Z2 symmetry is studied. In particular, we analyze two well-known families of phase transitions: the Ising and the generalize…