Alain Barrat
@alainbarrat.bsky.social
Researcher. Works on complex systems, complex networks, interdisciplinary topics.
Loves cats, travels, Japan.
Foodie.
Loves cats, travels, Japan.
Foodie.
Reposted by Alain Barrat
The EATH model for realistic hypergraphs generation is now out in Physical Review E! 📣
journals.aps.org/pre/abstract...
with @giuliacencetti.bsky.social and @alainbarrat.bsky.social
1/2
journals.aps.org/pre/abstract...
with @giuliacencetti.bsky.social and @alainbarrat.bsky.social
1/2
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...
journals.aps.org
November 10, 2025 at 9:24 AM
The EATH model for realistic hypergraphs generation is now out in Physical Review E! 📣
journals.aps.org/pre/abstract...
with @giuliacencetti.bsky.social and @alainbarrat.bsky.social
1/2
journals.aps.org/pre/abstract...
with @giuliacencetti.bsky.social and @alainbarrat.bsky.social
1/2
Reposted by Alain Barrat
What are actually higher-order networks? The course by @beyondtheedge.network researcher Michael Schaub gives an introduction to the topic that BeyondTheEdge is all about. All course material is available at beyondtheedge.network/event/course...
Course: Higher-Order Interaction Networks
This course by BeyondTheEdge researcher Michale Schaub (RWTH) provides an introduction to Higher-Order Interaction Networks
beyondtheedge.network
October 21, 2025 at 9:37 AM
What are actually higher-order networks? The course by @beyondtheedge.network researcher Michael Schaub gives an introduction to the topic that BeyondTheEdge is all about. All course material is available at beyondtheedge.network/event/course...
Reposted by Alain Barrat
In just about a week, the season's first NetSci Colloquium will happen. And we're starting with a bang . . . with none other than Iain Couzin talking about Collective Behavior in Animal Groups. September 24, 10 AM ET. Register here to get a Zoom link: iu.zoom.us/webinar/regi...
September 18, 2025 at 2:02 PM
In just about a week, the season's first NetSci Colloquium will happen. And we're starting with a bang . . . with none other than Iain Couzin talking about Collective Behavior in Animal Groups. September 24, 10 AM ET. Register here to get a Zoom link: iu.zoom.us/webinar/regi...
che tristezza...
September 9, 2025 at 1:15 PM
che tristezza...
Reposted by Alain Barrat
⚠️JOB ANNOUNCEMENT⚠️
Postdoctoral Position in Computational Cognitive Neuroscience (Marseille) in collaboration with @alainbarrat.bsky.social. Join us to study higher-order brain interactions in causal learning using information theory and network science. More info
www.fens.org/careers/job-...
Postdoctoral Position in Computational Cognitive Neuroscience (Marseille) in collaboration with @alainbarrat.bsky.social. Join us to study higher-order brain interactions in causal learning using information theory and network science. More info
www.fens.org/careers/job-...
Postdoc in computational cognitive neuroscience - Federation of European Neuroscience Societies
www.fens.org
September 5, 2025 at 9:53 AM
⚠️JOB ANNOUNCEMENT⚠️
Postdoctoral Position in Computational Cognitive Neuroscience (Marseille) in collaboration with @alainbarrat.bsky.social. Join us to study higher-order brain interactions in causal learning using information theory and network science. More info
www.fens.org/careers/job-...
Postdoctoral Position in Computational Cognitive Neuroscience (Marseille) in collaboration with @alainbarrat.bsky.social. Join us to study higher-order brain interactions in causal learning using information theory and network science. More info
www.fens.org/careers/job-...
Reposted by Alain Barrat
🫵 Ready to tackle the world’s most complex challenges?
The Complexity Science Hub is looking for #PhD candidates eager to apply large-scale data analysis, quantitative models, and complexity science to shed light on pressing global issues.
📅 Apply by 11 November 2025
ℹ️ csh.ac.at/education/gr...
The Complexity Science Hub is looking for #PhD candidates eager to apply large-scale data analysis, quantitative models, and complexity science to shed light on pressing global issues.
📅 Apply by 11 November 2025
ℹ️ csh.ac.at/education/gr...
August 20, 2025 at 12:51 PM
🫵 Ready to tackle the world’s most complex challenges?
The Complexity Science Hub is looking for #PhD candidates eager to apply large-scale data analysis, quantitative models, and complexity science to shed light on pressing global issues.
📅 Apply by 11 November 2025
ℹ️ csh.ac.at/education/gr...
The Complexity Science Hub is looking for #PhD candidates eager to apply large-scale data analysis, quantitative models, and complexity science to shed light on pressing global issues.
📅 Apply by 11 November 2025
ℹ️ csh.ac.at/education/gr...
Global Sumud Flotilla - Global chuffed.org/project/1388...
Global Sumud Flotilla - Global
As the genocide in Gaza gets worse by the day and the governments and institutions fail the Palestinian people, the free people of the world are trying their best to maintain solidarity and to create ...
chuffed.org
August 18, 2025 at 2:57 PM
Global Sumud Flotilla - Global chuffed.org/project/1388...
Reposted by Alain Barrat
Désormais plus d'1 million de signatures contre la #LoiDuplomb, qualifiée d'"aberration scientifique, éthique, environnementale et sanitaire".
Du jamais-vu sur le site de l'Assemblée, et peut-être l'organisation - avant tout symbolique - d'un débat à la rentrée.
1/5
Du jamais-vu sur le site de l'Assemblée, et peut-être l'organisation - avant tout symbolique - d'un débat à la rentrée.
1/5
July 20, 2025 at 3:53 PM
Désormais plus d'1 million de signatures contre la #LoiDuplomb, qualifiée d'"aberration scientifique, éthique, environnementale et sanitaire".
Du jamais-vu sur le site de l'Assemblée, et peut-être l'organisation - avant tout symbolique - d'un débat à la rentrée.
1/5
Du jamais-vu sur le site de l'Assemblée, et peut-être l'organisation - avant tout symbolique - d'un débat à la rentrée.
1/5
Reposted by Alain Barrat
A lire, pour comprendre le très préoccupant précédent que pourrait constituer la position du Conseil de l Ordre des Médecins dans cette affaire, une institution dont la mission est de protéger la profession et la Santé(!)
Re-re-re soutien au dr @damienbarraudmd.bsky.social
Re-re-re soutien au dr @damienbarraudmd.bsky.social
Harcèlement ordonné : quand l’Ordre des médecins devient l’arme des complotistes www.lepoint.fr/tiny/1-2594632 #Santé via @lepoint.fr
Harcèlement ordonné : quand l’Ordre des médecins devient l’arme des complotistes
TRIBUNE. Le Dr Damien Barraud est harcelé auprès de l’Ordre des médecins par des membres d’un groupuscule complotiste et antivax. Contre toute attente, l’Ordre s’associe à ce harcèlement.
www.lepoint.fr
July 18, 2025 at 8:23 AM
A lire, pour comprendre le très préoccupant précédent que pourrait constituer la position du Conseil de l Ordre des Médecins dans cette affaire, une institution dont la mission est de protéger la profession et la Santé(!)
Re-re-re soutien au dr @damienbarraudmd.bsky.social
Re-re-re soutien au dr @damienbarraudmd.bsky.social
Reposted by Alain Barrat
New preprint out! 📣
“Emerging Activity Temporal Hypergraph (EATH), a model for generating realistic time-varying hypergraphs” with @giuliacencetti.bsky.social and @alainbarrat.bsky.social
arxiv.org/abs/2507.01124
How can we generate realistic time-varying hypergraphs?
1/8 🧵⬇️
“Emerging Activity Temporal Hypergraph (EATH), a model for generating realistic time-varying hypergraphs” with @giuliacencetti.bsky.social and @alainbarrat.bsky.social
arxiv.org/abs/2507.01124
How can we generate realistic time-varying hypergraphs?
1/8 🧵⬇️
Emerging Activity Temporal Hypergraph (EATH), 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...
arxiv.org
July 3, 2025 at 8:15 AM
New preprint out! 📣
“Emerging Activity Temporal Hypergraph (EATH), a model for generating realistic time-varying hypergraphs” with @giuliacencetti.bsky.social and @alainbarrat.bsky.social
arxiv.org/abs/2507.01124
How can we generate realistic time-varying hypergraphs?
1/8 🧵⬇️
“Emerging Activity Temporal Hypergraph (EATH), a model for generating realistic time-varying hypergraphs” with @giuliacencetti.bsky.social and @alainbarrat.bsky.social
arxiv.org/abs/2507.01124
How can we generate realistic time-varying hypergraphs?
1/8 🧵⬇️
Updated application deadline: July 7, 2025!
CNRS tenure track on "Dynamics and collective decisions" at the interface between statistical physics and social sciences. One of the potential hosting laboratories is the Centre de Physique Théorique in Marseille.
Application deadline: July 14, 2025
emploi.cnrs.fr/Offres/CPJ/C...
Application deadline: July 14, 2025
emploi.cnrs.fr/Offres/CPJ/C...
Portail Emploi CNRS - Offre d'emploi - Dynamiques et décisions collectives M/F
emploi.cnrs.fr
June 19, 2025 at 2:18 PM
Updated application deadline: July 7, 2025!
CNRS tenure track on "Dynamics and collective decisions" at the interface between statistical physics and social sciences. One of the potential hosting laboratories is the Centre de Physique Théorique in Marseille.
Application deadline: July 14, 2025
emploi.cnrs.fr/Offres/CPJ/C...
Application deadline: July 14, 2025
emploi.cnrs.fr/Offres/CPJ/C...
Portail Emploi CNRS - Offre d'emploi - Dynamiques et décisions collectives M/F
emploi.cnrs.fr
June 3, 2025 at 9:19 AM
CNRS tenure track on "Dynamics and collective decisions" at the interface between statistical physics and social sciences. One of the potential hosting laboratories is the Centre de Physique Théorique in Marseille.
Application deadline: July 14, 2025
emploi.cnrs.fr/Offres/CPJ/C...
Application deadline: July 14, 2025
emploi.cnrs.fr/Offres/CPJ/C...
Junior Professorship position at the Centre de Physique Théorique, Marseille and Université de Toulon: "Non-linear dynamics and research on intelligent UAV ensembles"
Deadline for applications: June 18. All details on the position and how to apply:
www.cpt.univ-mrs.fr/~barrat/CPJ_...
Deadline for applications: June 18. All details on the position and how to apply:
www.cpt.univ-mrs.fr/~barrat/CPJ_...
CPJ position
www.cpt.univ-mrs.fr
May 19, 2025 at 7:48 AM
Junior Professorship position at the Centre de Physique Théorique, Marseille and Université de Toulon: "Non-linear dynamics and research on intelligent UAV ensembles"
Deadline for applications: June 18. All details on the position and how to apply:
www.cpt.univ-mrs.fr/~barrat/CPJ_...
Deadline for applications: June 18. All details on the position and how to apply:
www.cpt.univ-mrs.fr/~barrat/CPJ_...
Reposted by Alain Barrat
Still a few spots available to attend Charting Complexity, a conference dedicated to exploring the power of Complex Systems Science (London 10-12 of June). Program: chartingcomplexity.webflow.io. If you like to attend, express your interest here: forms.gle/qFs4vuauYXwp...
May 16, 2025 at 7:39 AM
Still a few spots available to attend Charting Complexity, a conference dedicated to exploring the power of Complex Systems Science (London 10-12 of June). Program: chartingcomplexity.webflow.io. If you like to attend, express your interest here: forms.gle/qFs4vuauYXwp...
Reposted by Alain Barrat
Reposted by Alain Barrat
Without clear protocols to catch errors, artificial intelligence’s growing role in science could do more harm than good
https://go.nature.com/42nGQt6
https://go.nature.com/42nGQt6
Why an overreliance on AI-driven modelling is bad for science
Nature - Without clear protocols to catch errors, artificial intelligence’s growing role in science could do more harm than good.
go.nature.com
April 13, 2025 at 8:32 AM
Without clear protocols to catch errors, artificial intelligence’s growing role in science could do more harm than good
https://go.nature.com/42nGQt6
https://go.nature.com/42nGQt6
Reposted by Alain Barrat
Upcoming Seminar – April 10, 14:00 CET
🧠 Collective Behaviours in Complex Systems: Ideas, Implementations, and Applications in Neurosciences and Beyond
Speaker: Prof. Daniele Marinazzo (Ghent University)
📍Join via Zoom: link
🔗 More info: www.beyondtheedge.network/event/semina...
🧠 Collective Behaviours in Complex Systems: Ideas, Implementations, and Applications in Neurosciences and Beyond
Speaker: Prof. Daniele Marinazzo (Ghent University)
📍Join via Zoom: link
🔗 More info: www.beyondtheedge.network/event/semina...
BeyondTheEdge Seminar: Daniele Marinazzo
Daniele Marinazzo (Ghent University) speaks in the BeyondTheEdge Seminar
www.beyondtheedge.network
April 6, 2025 at 12:24 PM
Upcoming Seminar – April 10, 14:00 CET
🧠 Collective Behaviours in Complex Systems: Ideas, Implementations, and Applications in Neurosciences and Beyond
Speaker: Prof. Daniele Marinazzo (Ghent University)
📍Join via Zoom: link
🔗 More info: www.beyondtheedge.network/event/semina...
🧠 Collective Behaviours in Complex Systems: Ideas, Implementations, and Applications in Neurosciences and Beyond
Speaker: Prof. Daniele Marinazzo (Ghent University)
📍Join via Zoom: link
🔗 More info: www.beyondtheedge.network/event/semina...
Reposted by Alain Barrat
If you accept that non-citizens have no right to due process, you are accepting that citizens have no right to due process. All the government has to do is claim that you are not a citizen; without due process you have no chance to prove the contrary.
March 24, 2025 at 10:18 PM
If you accept that non-citizens have no right to due process, you are accepting that citizens have no right to due process. All the government has to do is claim that you are not a citizen; without due process you have no chance to prove the contrary.
Reposted by Alain Barrat
Colleagues are cancelling their US work trips. I worry that international colleagues in the US are at risk if they collaborate with us on certain topics.
I've written a new post about the increasing danger of being a foreign scientist in the US.
christinapagel.substack.com/p/trumps-att...
I've written a new post about the increasing danger of being a foreign scientist in the US.
christinapagel.substack.com/p/trumps-att...
Trump's attacks on universities get ever darker, with the shadows reaching our shores
The US has become a hostile and authoritarian state to foreign scientists and is choosing ideology over science.
christinapagel.substack.com
March 28, 2025 at 7:36 PM
Colleagues are cancelling their US work trips. I worry that international colleagues in the US are at risk if they collaborate with us on certain topics.
I've written a new post about the increasing danger of being a foreign scientist in the US.
christinapagel.substack.com/p/trumps-att...
I've written a new post about the increasing danger of being a foreign scientist in the US.
christinapagel.substack.com/p/trumps-att...
Reposted by Alain Barrat
Ne pas prendre son ordinateur personnel, veiller à ses discussions en ligne... Le ministère de la Recherche relaie des règles drastiques pour éviter qu'un 2e chercheur ne soit refoulé des États-Unis : "Cela me désole, mais c’est justifié." @gaellombart
www.leparisien.fr/sc...
www.leparisien.fr/sc...
Chercheur refoulé des États-Unis : le gouvernement français fait circuler des consignes drastiques - Le Parisien
À la suite de la mésaventure rencontrée récemment par un expert du spatial, les scientifiques sont invités à ne voyager qu’avec des appareil
www.leparisien.fr
March 26, 2025 at 5:28 PM
Ne pas prendre son ordinateur personnel, veiller à ses discussions en ligne... Le ministère de la Recherche relaie des règles drastiques pour éviter qu'un 2e chercheur ne soit refoulé des États-Unis : "Cela me désole, mais c’est justifié." @gaellombart
www.leparisien.fr/sc...
www.leparisien.fr/sc...
Our first preprint within the @beyondtheedge.bsky.social training network!
Now out our new preprint “Higher-order dissimilarity measures for hypergraph comparison”!
www.arxiv.org/abs/2503.16959
With Cosimo Agostinelli and @alainbarrat.bsky.social
We extend to hypergraphs similarity measures defined previously only on pairwise networks.
🧵⬇️ 1/5
www.arxiv.org/abs/2503.16959
With Cosimo Agostinelli and @alainbarrat.bsky.social
We extend to hypergraphs similarity measures defined previously only on pairwise networks.
🧵⬇️ 1/5
Higher-order dissimilarity measures for hypergraph comparison
In recent years, networks with higher-order interactions have emerged as a powerful tool to model complex systems. Comparing these higher-order systems remains however a challenge. Traditional similar...
www.arxiv.org
March 25, 2025 at 5:30 PM
Our first preprint within the @beyondtheedge.bsky.social training network!
Reposted by Alain Barrat
Yes, America has always done bad things. No shit. I was getting beaten by the cops for protesting those things while most of the qt-dunkers were still in diapers.
My point: it used to be relatively safe for academics to travel to the US. It’s not anymore. Don’t do it.
My point: it used to be relatively safe for academics to travel to the US. It’s not anymore. Don’t do it.
March 21, 2025 at 1:51 PM
Yes, America has always done bad things. No shit. I was getting beaten by the cops for protesting those things while most of the qt-dunkers were still in diapers.
My point: it used to be relatively safe for academics to travel to the US. It’s not anymore. Don’t do it.
My point: it used to be relatively safe for academics to travel to the US. It’s not anymore. Don’t do it.
Reposted by Alain Barrat
Join us next Tuesday for the next BeyondTheEdge seminar with Prof. Renaud Lambiotte (University of Oxford)
🔬 Title: Consensus and Random Walks on Higher-Order Networks
📅 Date & Time: March 25th, 2-3pm (CET)
Link: www.beyondtheedge.network/event/semina...
🔬 Title: Consensus and Random Walks on Higher-Order Networks
📅 Date & Time: March 25th, 2-3pm (CET)
Link: www.beyondtheedge.network/event/semina...
BeyondTheEdge Seminar: Renaud Lambiotte
Renaud Lambiotte (University of Oxford) speaks in the BeyondTheEdge Seminar
www.beyondtheedge.network
March 19, 2025 at 5:50 PM
Join us next Tuesday for the next BeyondTheEdge seminar with Prof. Renaud Lambiotte (University of Oxford)
🔬 Title: Consensus and Random Walks on Higher-Order Networks
📅 Date & Time: March 25th, 2-3pm (CET)
Link: www.beyondtheedge.network/event/semina...
🔬 Title: Consensus and Random Walks on Higher-Order Networks
📅 Date & Time: March 25th, 2-3pm (CET)
Link: www.beyondtheedge.network/event/semina...
Reposted by Alain Barrat
⌛️The abstracts deadline has been extended!
🌍You have a couple of weeks for submitting your abstract proposal!
🌍You have a couple of weeks for submitting your abstract proposal!
🌍CCS 2025 -Call for Abstracts!
Great news! The new deadline for submitting abstracts for CCS 2025 has been extended to April 5, 2025.
📅 New Abstract Submission Deadline: April 5, 2025, at 23:59 CEST.
🔗https://ccs25.cssociety.org/abstract-2/
Great news! The new deadline for submitting abstracts for CCS 2025 has been extended to April 5, 2025.
📅 New Abstract Submission Deadline: April 5, 2025, at 23:59 CEST.
🔗https://ccs25.cssociety.org/abstract-2/
March 22, 2025 at 8:15 AM
⌛️The abstracts deadline has been extended!
🌍You have a couple of weeks for submitting your abstract proposal!
🌍You have a couple of weeks for submitting your abstract proposal!
Reposted by Alain Barrat
Donc Musk menace de couper les accès à Starlink en Ukraine si ils ne signent pas les accords sur les métaux précieux.
Faut vraiment ne plus travailler avec ce mec hein. Faut se passer de Starlink en Europe et en Suisse.
J'ai encore vu la FNAC en faire la pub récemment j'avais envie d'exploser.
Faut vraiment ne plus travailler avec ce mec hein. Faut se passer de Starlink en Europe et en Suisse.
J'ai encore vu la FNAC en faire la pub récemment j'avais envie d'exploser.
February 22, 2025 at 8:31 AM
Donc Musk menace de couper les accès à Starlink en Ukraine si ils ne signent pas les accords sur les métaux précieux.
Faut vraiment ne plus travailler avec ce mec hein. Faut se passer de Starlink en Europe et en Suisse.
J'ai encore vu la FNAC en faire la pub récemment j'avais envie d'exploser.
Faut vraiment ne plus travailler avec ce mec hein. Faut se passer de Starlink en Europe et en Suisse.
J'ai encore vu la FNAC en faire la pub récemment j'avais envie d'exploser.