Publications

The structural evolution of temporal hypergraphs through the lens of hyper-cores

The richness of many complex systems stems from the interactions among their components. The higher-order nature of these interactions, …
M. Mancastroppa, I. Iacopini, G. Petri, A. Barrat
Preprint

Insights from exact social contagion dynamics on networks with higher-order structures

Recently, there has been an increasing interest in studying dynamical processes on networks exhibiting higher-order structures, such as …
I. Z. Kiss, I. Iacopini, P. L. Simon, N. Georgiou
Preprint PDF DOI
Insights from exact social contagion dynamics on networks with higher-order structures

Hyper-cores promote localization and efficient seeding in higher-order processes

Going beyond networks, to include higher-order interactions of arbitrary sizes, is a major step to better describe complex systems. In …
M. Mancastroppa, I. Iacopini, G. Petri, A. Barrat
Preprint PDF Code DOI
Hyper-cores promote localization and efficient seeding in higher-order processes

Not your private tête-à-tête: leveraging the power of higher-order networks to study animal communication

Animal communication is frequently studied with conventional network representations that link pairs of individuals who interact, for …
I. Iacopini, J. R. Foote, N. H. Fefferman, E. P. Derryberry, M. J. Silk
Preprint
Not your private tête-à-tête: leveraging the power of higher-order networks to study animal communication

The dynamics of higher-order novelties

The Heaps’ law, which characterises the growth of novelties, has triggered new mathematical descriptions, based on urn models or on …
G. Di Bona, A. Bellina, G. De Marzo, A. Petralia, I. Iacopini, V. Latora
Preprint
The dynamics of higher-order novelties

The temporal dynamics of group interactions in higher-order social networks

The structure and behaviour of many social systems are shaped by the interactions among their individuals. Representing them as complex …
I. Iacopini, M. Karsai, A. Barrat
Preprint Code
The temporal dynamics of group interactions in higher-order social networks

XGI: A Python package for higher-order interaction networks

CompleX Group Interactions (XGI) is a library for analyzing higher-order networks. Such networks are used to model interactions of …
N. W. Landry, M. Lucas, I. Iacopini, G. Petri, A. Schwarze, A. Patania, L. Torres
PDF Code DOI
XGI: A Python package for higher-order interaction networks

Simplicially driven simple contagion

Single contagion processes are known to display a continuous transition from an epidemic-free state to an epidemic one, for contagion …
M. Lucas, I. Iacopini, T. Robiglio, A. Barrat, G. Petri
Preprint PDF Code DOI
Simplicially driven simple contagion

Quantifying human performance in chess

From sports to science, the recent availability of large-scale data has allowed to gain insights on the drivers of human innovation and …
S. Chowdhary, I. Iacopini, F. Battiston
Preprint PDF Code Dataset DOI
Quantifying human performance in chess

Non-selective distribution of infectious disease prevention may outperform risk-based targeting

Epidemic control often requires optimal distribution of available vaccines and prophylactic tools, to protect from infection those …
B. Steinegger, I. Iacopini, A. S. Teixeira, A. Bracci, P. Casanova-Ferrer, A. Antonioni, E. Valdano
PDF Code DOI
Non-selective distribution of infectious disease prevention may outperform risk-based targeting

Social contagion on higher-order structures

In this Chapter, we discuss the effects of higher-order structures on SIS-like processes of social contagion. After a brief …
A. Barrat, G.F. de Arruda, I. Iacopini, Y. Moreno
Preprint PDF DOI
Social contagion on higher-order structures

Group interactions modulate critical mass dynamics in social convention

How can minorities of individuals overturn social conventions? The theory of critical mass states that when a committed minority …
I. Iacopini, G. Petri, A. Baronchelli, A. Barrat
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Group interactions modulate critical mass dynamics in social convention

Social interactions affect discovery processes

Our network of acquaintances determines how we get exposed to ideas, products, or cultural artworks (books, music, movies, …
G. Di Bona, E. Ubaldi, I. Iacopini, B. Monechi, V. Latora, V. Loreto
Preprint
Social interactions affect discovery processes

Influential groups for seeding and sustaining nonlinear contagion in heterogeneous hypergraphs

Contagion phenomena are often the results of multibody interactions—such as superspreading events or social reinforcement—describable …
G. St-Onge, I. Iacopini, V. Latora, A. Barrat, G. Petri, A. Allard, L. Hébert-Dufresne
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Influential groups for seeding and sustaining nonlinear contagion in heterogeneous hypergraphs

The physics of higher-order interactions in complex systems

Complex networks have become the main paradigm for modelling the dynamics of interacting systems. However, networks are intrinsically …
F. Battiston, E. Amico, A. Barrat, G. Bianconi, G. F. de Arruda, B. Franceschiello, I. Iacopini, S. Kéfi, V. Latora, Y. Moreno, M. M. Murray, T. P. Peixoto, F. Vaccarino, G. Petri
PDF
The physics of higher-order interactions in complex systems

The structural architecture of international industry networks in the global economy

Globalisation continuously produces novel economic relationships mediated by flows of goods, services, capital, and information between …
T. Sigler, K. Martinus, I. Iacopini, B. Derudder, J. Loginova
PDF DOI
The structural architecture of international industry networks in the global economy

Simplicial contagion in temporal higher-order networks

Complex networks represent the natural backbone to study epidemic processes in populations of interacting individuals. Such a modeling …
S. Chowdhary, A. Kumar, G. Cencetti, I. Iacopini, F. Battiston
PDF
Simplicial contagion in temporal higher-order networks

London in lockdown: Mobility in the Pandemic City

This chapter looks at the spatial distribution and mobility patterns of essential and non-essential workers before and during the …
M. Batty, R. Murcio, I. Iacopini, M. Vanhoof, R. Milton
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London in lockdown: Mobility in the Pandemic City

On the dual nature of adoption processes in complex networks

Adoption processes in socio-technological systems have been widely studied both empirically and theoretically. The way in which social …
I. Iacopini, V. Latora
PDF DOI
On the dual nature of adoption processes in complex networks

Modelling the social dynamics of contagion and discovery using dynamical processes on complex networks

Complex networks have been successfully used to describe the social structure on top of which many real-world social processes take …
I. Iacopini
PDF

Interactive discovery processes on complex networks

Innovation is the driving force of human progress. Recent urn models reproduce well the dynamics through which the discovery of a …
I. Iacopini, G. Di Bona, E. Ubaldi, V. Loreto, V. Latora
PDF Code Video DOI
Interactive discovery processes on complex networks

Networks beyond pairwise interactions: structure and dynamics

The complexity of many biological, social and technological systems stems from the richness of the interactions among their units. Over …
F. Battiston, G. Cencetti, I. Iacopini, V. Latora, M. Lucas, A. Patania, J.-G. Young, G. Petri
Preprint PDF DOI
Networks beyond pairwise interactions: structure and dynamics

Multilayer modeling of adoption dynamics in energy demand management

Due to the emergence of new technologies, the whole electricity system is undergoing transformations on a scale and pace never observed …
I. Iacopini, B. Schäfer, E. Arcaute, C. Beck, V. Latora
Preprint PDF DOI
Multilayer modeling of adoption dynamics in energy demand management

The brokerage role of small states and territories in global corporate networks

Global economic activity is networked through cross‐national linkages between firm headquarters, branches, and subsidiaries. Brokerage …
K. Martinus, T. Sigler, I. Iacopini, B. Derudder
PDF DOI
The brokerage role of small states and territories in global corporate networks

Using Foursquare data to reveal spatial and temporal patterns in London

Understanding the functional structure of contemporary cities can find many applications ranging from urban planning to local …
M. Vanhoof, A. Godoy-Lorite, R. Murcio, I. Iacopini, N. Zdanowska, J. Raimbault, R. Milton, E. Arcaute, M. Batty
Preprint
Using Foursquare data to reveal spatial and temporal patterns in London

Creative Connectivity Project - A network based approach to understand correlations between interdisciplinary group dynamics and creative performance

Creativity, technology and innovation are the main driving forces of our modern world and they often trigger behavioural and cultural …
V. S. Torrisi, S. Manfredi, I. Iacopini, V. Latora
PDF DOI
Creative Connectivity Project - A network based approach to understand correlations between interdisciplinary group dynamics and creative performance

Evaluating the impact of PrEP on HIV and gonorrhea on a networked population of female sex workers

Sexual contacts are the main spreading route of HIV. This puts sex workers at higher risk of infection even in populations where HIV …
A. Bernini, E. Blouzard, A. Bracci, P. Casanova, I. Iacopini, B. Steinegger, A. S. Teixeira, A. Antonioni, E. Valdano
Preprint DOI
Evaluating the impact of PrEP on HIV and gonorrhea on a networked population of female sex workers

Simplicial models of social contagion

Complex networks have been successfully used to describe the spread of diseases in populations of interacting individuals. Conversely, …
I. Iacopini, G. Petri, A. Barrat, V. Latora
PDF Code DOI
Simplicial models of social contagion

The role of tax havens and offshore financial centres in shaping corporate geographies: an industry sector perspective

T. Sigler, K. Martinus, I. Iacopini, B. Derudder
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The role of tax havens and offshore financial centers in Asia-Pacific networks: evidence from firm-subsidiary connections

K. Martinus, T. Sigler, I. Iacopini, B. Derudder
PDF DOI

Network dynamics of innovation processes

We introduce a model for the emergence of innovations, in which cognitive processes are described as random walks on the network of …
I. Iacopini, S. Milojević, V. Latora
Preprint PDF DOI
Network dynamics of innovation processes