Search Results for author: Sandro Azaele

Found 6 papers, 0 papers with code

Spatially disordered environments stabilize competitive metacommunities

no code implementations15 Apr 2024 Prajwal Padmanabha, Giorgio Nicoletti, Davide Bernardi, Samir Suweis, Sandro Azaele, Andrea Rinaldo, Amos Maritan

Metapopulation models have been instrumental in demonstrating the ecological impact of landscape structure on the survival of a focal species in complex environments.

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Soft trade-offs and the stochastic emergence of diversification in E. coli evolution experiments

no code implementations20 Jul 2023 Roberto Corral López, Samir Suweis, Sandro Azaele, Miguel A. Muñoz

This introduces a natural new source of stochasticity which allows one to account for the empirically observed variability as well as to make predictions for the likelihood of evolutionary branching to be observed, thus helping to bridge the gap between theory and experiments.

Generalized Lotka-Volterra Systems with Time Correlated Stochastic Interactions

no code implementations6 Jul 2023 Samir Suweis, Francesco Ferraro, Christian Grilletta, Sandro Azaele, Amos Maritan

In this work, we explore the dynamics of species abundances within ecological communities using the Generalized Lotka-Volterra (GLV) model.

Large system population dynamics with non-Gaussian interactions

no code implementations23 Jun 2023 Sandro Azaele, Amos Maritan

Our results show that the generalized mean field equations have solutions which depend on all cumulants of the distribution of species interactions, leading to a breakdown of universality.

Effect of delay on the emergent stability patterns in Generalized Lotka-Volterra ecological dynamics

no code implementations22 Oct 2021 Meghdad Saeedian, Emanuele Pigani, Amos Maritan, Samir Suweis, Sandro Azaele

Finally, we introduce a measure of stability that holds for out of equilibrium dynamics and we show that in the oscillatory regime induced by the delay stability increases for increasing ecosystem diversity.

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Effective Resource-Competition Model for Species Coexistence

no code implementations2 Apr 2021 Deepak Gupta, Stefano Garlaschi, Samir Suweis, Sandro Azaele, Amos Maritan

Finally, we analytically compute the distribution of the population sizes of coexisting species.

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