Search Results for author: Amos Maritan

Found 9 papers, 1 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.

valid

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.

Brain memory working. Optimal control behavior for improved Hopfield-like models

no code implementations11 May 2023 Franco Cardin, Alberto Lovison, Amos Maritan, Aram Megighian

In this note, we firstly will detail the general condition to produce a Hopfield like vector field of gradient type obtaining, as a particular case, the Krotov-Hopfield condition.

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.

Relation

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.

Local sequence-structure relationships in proteins

no code implementations27 Jan 2021 Tatjana Škrbić, Amos Maritan, Achille Giacometti, Jayanth R. Banavar

We seek to understand the interplay between amino acid sequence and local structure in proteins.

Clustering Specificity

Emergence of Network Motifs in Deep Neural Networks

1 code implementation27 Dec 2019 Matteo Zambra, Alberto Testolin, Amos Maritan

Network science can offer fundamental insights into the structural and functional properties of complex systems.

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