NetScience
@netscience.bsky.social
Reader in Applied Mathematics at Queen Mary University working on Network Science, Data Science, and digital Epidemiology. Website: www.nicolaperra.com
Fifteen millennia of human mitogenome evolution in Sicily | Science Advances www.science.org/doi/10.1126/...
Fifteen millennia of human mitogenome evolution in Sicily
Mitogenomes spanning 15 millennia reveal a genetic discontinuity within Sicily and continuous gene flow from Eurasia and Africa.
www.science.org
November 16, 2025 at 4:00 PM
Fifteen millennia of human mitogenome evolution in Sicily | Science Advances www.science.org/doi/10.1126/...
Effects of higher-order interactions and homophily on information access inequality arxiv.org/abs/2506.00156
Effects of higher-order interactions and homophily on information access inequality
The spread of information through socio-technical systems determines which individuals are the first to gain access to opportunities and insights. Yet, the pathways through which information flows can...
arxiv.org
November 16, 2025 at 3:59 PM
Effects of higher-order interactions and homophily on information access inequality arxiv.org/abs/2506.00156
Mapping memory-biased dynamics with compact models reveals overlapping communities in large networks arxiv.org/abs/2304.05775
Mapping memory-biased dynamics with compact models reveals overlapping communities in large networks
Many real-world systems, from social networks to protein-protein interactions and species distributions, exhibit overlapping flow-based communities that reflect their functional organisation. However,...
arxiv.org
November 16, 2025 at 3:58 PM
Mapping memory-biased dynamics with compact models reveals overlapping communities in large networks arxiv.org/abs/2304.05775
Inferring Higher-Order Couplings with Neural Networks link.aps.org/doi/10.1103/...
link.aps.org
November 16, 2025 at 3:57 PM
Inferring Higher-Order Couplings with Neural Networks link.aps.org/doi/10.1103/...
Random hyperbolic graphs with arbitrary mesoscale structures link.aps.org/doi/10.1103/...
link.aps.org
November 16, 2025 at 3:56 PM
Random hyperbolic graphs with arbitrary mesoscale structures link.aps.org/doi/10.1103/...
Mitigating cascades in coevolving networks with targeted rewiring link.aps.org/doi/10.1103/...
link.aps.org
November 16, 2025 at 3:54 PM
Mitigating cascades in coevolving networks with targeted rewiring link.aps.org/doi/10.1103/...
Latest out: Fairness in infectious disease modeling. Great collaboration with Yuhan Li, @ngozzi.bsky.social @mtizzoni.bsky.social www.medrxiv.org/content/10.1...
November 14, 2025 at 6:06 PM
Latest out: Fairness in infectious disease modeling. Great collaboration with Yuhan Li, @ngozzi.bsky.social @mtizzoni.bsky.social www.medrxiv.org/content/10.1...
Public Transport Under Epidemic Conditions: Nonlinear Trade-Offs Between Risk and Accessibility arxiv.org/abs/2511.06377
Public Transport Under Epidemic Conditions: Nonlinear Trade-Offs Between Risk and Accessibility
Epidemics expose critical tensions between protecting public health and maintaining essential urban mobility. Public transport systems face this dilemma most acutely: they enable access to jobs, educa...
arxiv.org
November 12, 2025 at 8:58 AM
Public Transport Under Epidemic Conditions: Nonlinear Trade-Offs Between Risk and Accessibility arxiv.org/abs/2511.06377
Two variants of the friendship paradox: The condition for inequality between them arxiv.org/abs/2511.06176
Two variants of the friendship paradox: The condition for inequality between them
The friendship paradox -- the observation that, on average, one's friends have more friends than oneself -- admits two common formulations depending on whether averaging is performed over edges or ove...
arxiv.org
November 12, 2025 at 8:57 AM
Two variants of the friendship paradox: The condition for inequality between them arxiv.org/abs/2511.06176
Statistical Physics Analysis of Graph Neural Networks: Approaching Optimality in the Contextual Stochastic Block Model link.aps.org/doi/10.1103/...
Statistical Physics Analysis of Graph Neural Networks: Approaching Optimality in the Contextual Stochastic Block Model
An asymptotic analysis of graph convolutional networks shows that deeper architectures can boost performance when designed with residual connections, offering the first precise theory for infinitely d...
link.aps.org
November 12, 2025 at 8:55 AM
Statistical Physics Analysis of Graph Neural Networks: Approaching Optimality in the Contextual Stochastic Block Model link.aps.org/doi/10.1103/...
Inferring tree structure with hidden traps from first-passage times link.aps.org/doi/10.1103/...
Inferring tree structure with hidden traps from first-passage times
Inferring tree structure is a problem of practical relevance across diverse domains, from biological transport networks to engineered systems. The results presented here lend themselves to potential a...
link.aps.org
November 10, 2025 at 5:41 PM
Inferring tree structure with hidden traps from first-passage times link.aps.org/doi/10.1103/...
Symmetry breaking in a metapopulation model with fitness-dependent dispersal link.aps.org/doi/10.1103/...
Symmetry breaking in a metapopulation model with fitness-dependent dispersal
This study investigates the emergence of symmetry-breaking dynamics and the associated bifurcation behavior in an identically coupled Rosenzweig-MacArthur model with fitness-dependent dispersal betwee...
link.aps.org
November 10, 2025 at 5:40 PM
Symmetry breaking in a metapopulation model with fitness-dependent dispersal link.aps.org/doi/10.1103/...
‘Google Maps’ for Roman roads reveals vast extent of ancient network www.nature.com/articles/d41...
‘Google Maps’ for Roman roads reveals vast extent of ancient network
A high-resolution digital map nearly doubles the known length of the ancient road network.
www.nature.com
November 10, 2025 at 8:47 AM
‘Google Maps’ for Roman roads reveals vast extent of ancient network www.nature.com/articles/d41...
One pathogen does not an epidemic make: A review of interacting contagions, diseases, beliefs, and stories arxiv.org/abs/2504.15053
One pathogen does not an epidemic make: A review of interacting contagions, diseases, beliefs, and stories
From pathogens and computer viruses to genes and memes, contagion models have found widespread utility across the natural and social sciences. Despite their success and breadth of adoption, the approa...
arxiv.org
November 10, 2025 at 8:43 AM
One pathogen does not an epidemic make: A review of interacting contagions, diseases, beliefs, and stories arxiv.org/abs/2504.15053
Mesoscale community organization governs epidemic onset and spread in metapopulations arxiv.org/abs/2504.05653
Mesoscale community organization governs epidemic onset and spread in metapopulations
Understanding how internal community structure shapes the course of epidemics remains a fundamental challenge in modeling real-world populations. Standard metapopulation models often assume uniform mi...
arxiv.org
November 10, 2025 at 8:41 AM
Mesoscale community organization governs epidemic onset and spread in metapopulations arxiv.org/abs/2504.05653
Predicting steady-state behavior in complex networks with graph neural networks link.aps.org/doi/10.1103/...
Predicting steady-state behavior in complex networks with graph neural networks
In complex systems, information propagation can be defined as diffused or delocalized, weakly localized, and strongly localized. This study investigates the application of graph neural network models ...
link.aps.org
November 10, 2025 at 8:29 AM
Predicting steady-state behavior in complex networks with graph neural networks link.aps.org/doi/10.1103/...
Emerging activity temporal hypergraph: A model for generating realistic time-varying hypergraphs link.aps.org/doi/10.1103/...
Emerging activity temporal hypergraph: A model for generating realistic time-varying hypergraphs
Time-varying group interactions constitute the building blocks of many complex systems. The framework of temporal hypergraphs makes it possible to represent them by taking into account the higher-orde...
link.aps.org
November 10, 2025 at 8:25 AM
Emerging activity temporal hypergraph: A model for generating realistic time-varying hypergraphs link.aps.org/doi/10.1103/...
Null models for comparing information decomposition across complex systems journals.plos.org/ploscompbiol...
Null models for comparing information decomposition across complex systems
Author summary How do complex systems process information? Perhaps more interestingly, when can we say two systems process information in the same way? Information-theoretic methods have been shown to...
journals.plos.org
November 6, 2025 at 10:38 AM
Null models for comparing information decomposition across complex systems journals.plos.org/ploscompbiol...
Intersectional inequalities in social ties | Science Advances www.science.org/doi/10.1126/...
Intersectional inequalities in social ties
At identity intersections, inequality transforms, revealing network patterns that single-dimensional models fail to explain.
www.science.org
November 6, 2025 at 10:23 AM
Intersectional inequalities in social ties | Science Advances www.science.org/doi/10.1126/...
Scaling laws of human mobility persist during extreme floods arxiv.org/abs/2511.02783
Scaling laws of human mobility persist during extreme floods
Although a number of studies have investigated human mobility patterns during natural hazards, mechanistic models that capture mobility dynamics under large-scale perturbations, such as extreme floods...
arxiv.org
November 6, 2025 at 10:22 AM
Scaling laws of human mobility persist during extreme floods arxiv.org/abs/2511.02783
Higher-order shortest paths in hypergraphs link.aps.org/doi/10.1103/...
Higher-order shortest paths in hypergraphs
One of the defining features of complex networks is the connectivity properties that we observe emerging from local interactions. Recently, hypergraphs have emerged as a versatile tool to model networ...
link.aps.org
November 6, 2025 at 10:21 AM
Higher-order shortest paths in hypergraphs link.aps.org/doi/10.1103/...
Calibration of transmission-dynamic infectious disease models: A scoping review and reporting framework journals.plos.org/ploscompbiol...
Calibration of transmission-dynamic infectious disease models: A scoping review and reporting framework
Author summary Calibration, the identification of parameter values so that model outcomes are consistent with observed data or other evidence, is often employed in the process of obtaining model resul...
journals.plos.org
November 5, 2025 at 8:24 AM
Calibration of transmission-dynamic infectious disease models: A scoping review and reporting framework journals.plos.org/ploscompbiol...
Human Mobility in Epidemic Modeling arxiv.org/abs/2507.22799
Human Mobility in Epidemic Modeling
Human mobility forms the backbone of contact patterns through which infectious diseases propagate, fundamentally shaping the spatio-temporal dynamics of epidemics and pandemics. While traditional mode...
arxiv.org
November 5, 2025 at 8:20 AM
Human Mobility in Epidemic Modeling arxiv.org/abs/2507.22799
The Three Books of Science arxiv.org/abs/2511.00368
The Three Books of Science
We venture that the long evolution of science may be viewed as unfolding over three blurred epochs. The first epoch spans the slow, haphazard, error-ridden realization of scientific truths along with ...
arxiv.org
November 5, 2025 at 8:16 AM
The Three Books of Science arxiv.org/abs/2511.00368
Detectability threshold in weighted modular networks arxiv.org/abs/2511.00214
Detectability threshold in weighted modular networks
We study the necessary condition to detect, by means of spectral modularity optimization, the ground-truth partition in networks generated according to the weighted planted-partition model with two eq...
arxiv.org
November 5, 2025 at 8:15 AM
Detectability threshold in weighted modular networks arxiv.org/abs/2511.00214