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Laurent Hébert-Dufresne

@lhd.bsky.social
1.5K followers 159 following 26 posts

Professor at the Vermont Complex Systems Institute, External Prof at the Santa Fe Institute, Editor-in-Chief of npj Complexity. Likes networks, contagions, complexity, public health, animals, hockey, horror, & black metal Lab: joint-lab.github.io

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Reposted by Laurent Hébert-Dufresne
Ricard Solé @ricardsole.bsky.social · 22/09/2026
We are very happy to announce the launch of Systems Ecology @systems-ecology.bsky.social, a new independent, diamond open-access journal dedicated to advancing systems-level understanding in ecology. systems-ecology.org/index.php/se Check the Founding editorial! systems-ecology.org/index.php/se...
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LSE Methodology @lsemethodology.bsky.social · 21/08/2026
💡 We're hiring for an Assistant Professor in Computational Social Science Read more and apply before 11 October 👉️ www.lse.ac.uk/methodology/...
LSE Department of Methodology hiring — Assistant Professor in Computational Social Science; applications close 11 October 2026; apply at www.jobs.lse.ac.uk and follow @lsemethodology.
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Laurent Hébert-Dufresne @lhd.bsky.social · 17/08/2026
Interested in complex systems research in beautiful Vermont? Teams @vcsi.bsky.social hope to fill postdoctoral positions on very short notice. One position is at the intersection of cognitive and epidemiological modeling. DM for details or keep an eye out for postings on here.
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Anonymous Potato @anonymouspotato.bsky.social · 05/08/2026
EcoEvoJobs 2026-27 just opened for business and we've already got 79 faculty / permanent jobs listed. Please repost! ecoevojobs.net
ecoevojobs.net
ecoevojobs.net 2026-27
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International Conference on Computational Social Science @ic2s2.bsky.social · 10/08/2026
We are pleased to share that the 2026 keynote presentations will be available at the @vcsi.bsky.social youtube channel, and will be shared here for anyone who missed them. Here are Jennifer Gradecki and Derek Curry sharing their creative approaches to reconstruction as method: youtu.be/J85Ti0y3bgY
youtu.be
2026 IC2S2: Keynote Presentation with Derek Curry and Jennifer Gradecki
YouTube video by Vermont Complex Systems Institute
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Young Researchers of the Complex Systems Society @yrcss.bsky.social · 03/08/2026
Join us at @css-conference.bsky.social for our "Practical and Ethical Insights on Using AI in Complex Systems" panel! 🤖⚖️ 🗓️ Oct 13 | ⏰ 6 PM EST 🎤: @melaniemitchell.bsky.social, @juniperlov.bsky.social, @scilearn.bsky.social & @skojaku.bsky.social See you there! #CCS2026 #ComplexSystems #AI #Ethics
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Vermont Complex Systems Institute @vcsi.bsky.social · 30/07/2026
@lhd.bsky.social talks witches at @ic2s2.bsky.social www.linkedin.com/posts/uvm-vc...
linkedin.com
#ic2s2 | Vermont Complex Systems Institute
Laurent Hébert-Dufresne presenting “Witchcraft as Narrative Contagion: Modeling the Diffusion and Mutation of Transmission Mechanisms in the 1692 Salem Crisis” at #ic2s2
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Hiroki Sayama @hirokisayama.bsky.social · 29/07/2026
#IC2S22026 main conference officially starting with opening remarks by Peter Dodds and Brooke Foucault Welles @ic2s2.bsky.social
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Adam Frank @adamfrank4.bsky.social · 13/07/2026
Young researchers, apply for our post-docs! The Department of Physics and Astronomy at the University of Rochester invites applications positions in theoretical and computational approaches to complex systems, information theory, and the emergence of autonomous agency. apply.interfolio.com/189157
apply.interfolio.com
Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio
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Vermont Complex Systems Institute @vcsi.bsky.social · 29/06/2026
😍 🐙 👀 www.linkedin.com/posts/robert...
linkedin.com
I recently finished a Spring Puzzles series of illustrations for the Vermont Complex Systems Institute. On to Summer! | Robert Babboni
I recently finished a Spring Puzzles series of illustrations for the Vermont Complex Systems Institute. On to Summer!
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Jeff Sharlet @jeffsharlet.bsky.social · 16/06/2026
At the end of the term I asked my college creative wriing students to submit anonymous thoughts on AI. No real surprises: Mood ranges from resignation to despair, capitulation from embittered erosion of standards to total, feelings of betrayal from deep to furious. 1/
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Juniper Lovato @juniperlov.bsky.social · 05/06/2026
Congratulations @lhd.bsky.social for winning the Erdős-Rényi award and giving a kickass acceptance talk at the netsci @netsciconf.bsky.social conference!!
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Laurent Hébert-Dufresne @lhd.bsky.social · 31/05/2026
Dream team! And what a great project!
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Dr Joel C Miller @joelcmiller.bsky.social · 23/05/2026
Going to #NetSci2026 (@netsciconf.bsky.social)? Attend our contagions in networks satellite! Talks from: @nwlandry.bsky.social @lhd.bsky.social @leahkeating.bsky.social @julianataube.bsky.social @colincarlson.bsky.social and Jacob Liam Curran-Sebastian joelmiller.github.io/ContagionOnN...
joelmiller.github.io
Epidemics on Networks Workshop
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Santa Fe Institute @sfiscience.bsky.social · 20/05/2026
SFI's Laurent Hébert-Dufresne has received the 2026 Erdős-Rényi Prize, the top honor for early-career researchers in network science. “This recognition reflects the deeply collaborative nature of complex systems research,” says Hébert-Dufresne.
santafe.edu
Laurent Hébert-Dufresne receives Erdős-Rényi Prize
SFI External Professor Laurent Hébert-Dufresne (University of Vermont) is the 2026 recipient of the Erdős-Rényi Prize, the top honor for early-career researchers working in network science.
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Network Science Society @netscisociety.bsky.social · 07/05/2026
It is our great pleasure to announce this year's Erdős-Rényi Prize winner! Laurent Hébert-Dufresne @lhd.bsky.social
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GOTHAM lab @gotham-lab.bsky.social · 31/03/2026
🚨 🚨 How do group dynamics shape contagion onsets and multistable active phases under collective reinforcement? 👉 arxiv.org/abs/2603.28566 @santiagolaot.bsky.social @federicomalizia.bsky.social @leahkeating.bsky.social @gstonge.bsky.social V. Latora @gomezgardenes.bsky.social & @lhd.bsky.social
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Tim Waring @twaring.bsky.social · 25/03/2026
Interested in the weirdness that is humanity? Ever suspect human evolution itself may be changing? Join my colloquium at the KLI in Austria to learn about: The Science of an Evolutionary Transition in Humans kli.ac.at/en/events/ev... (3pm CET, 9am US Eastern, on zoom and live)
kli.ac.at
Events | Event Calendar | Discover The KLI
The Konrad Lorenz Institute provides a stimulating and creative environment for fellows, visiting scholars, students, and external faculty.
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Santa Fe Institute @sfiscience.bsky.social · 02/03/2026
SFI's Laurent Hébert-Dufresne (@lhd.bsky.social) is the 2026 recipient of the Young Scientist Award for Socio- and Econophysics by the German Physical Society (DPG). Honoring “outstanding original contributions that use physical methods to develop a better understanding of socio-economic problems.”
santafe.edu
Laurent Hébert-Dufresne receives Young Scientist Award
SFI External Professor Laurent Hébert-Dufresne (University of Vermont) has been named the 2026 recipient of the Young Scientist Award for Socio- and Econophysics by the German Physical Society (DPG). ...
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Vermont Complex Systems Institute @vcsi.bsky.social · 24/02/2026
Congratulations to Laurent Hébert-Dufresne @lhd.bsky.social, UVM Professor of Computer Science and core faculty member of the Vermont Complex Systems Institute, on receiving the 2026 Young Scientist Award for Socio and Econophysics from the German Physical Society! www.uvm.edu/cems/cs/news...
uvm.edu
International Honor for Laurent Hébert-Dufresne | Computer Science | The University of Vermont
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Tiago Peixoto @tiago.skewed.de · 20/02/2026
New on the arxiv: “Graphs are maximally expressive for higher-order interactions” arxiv.org/abs/2602.16937 We clarify central misconceptions in the recent literature on "higher-order networks". w/ @piratepeel.bsky.social , @manlius.bsky.social, and @thilogross.bsky.social Explainer 🧵: 1/N
arxiv.org
Graphs are maximally expressive for higher-order interactions
We demonstrate that graph-based models are fully capable of representing higher-order interactions, and have a long history of being used for precisely this purpose. This stands in contrast to a commo...
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mariahcboudreau.bsky.social @mariahcboudreau.bsky.social · 09/02/2026
royalsocietypublishing.org/rsif/article... Check out new work with @willthompson.bsky.social, @chrisdanforth.bsky.social, J-G Young, & @lhd.bsky.social in the Journal of the Royal Society Interface!
royalsocietypublishing.org
Sensitivity analysis of epidemic forecasting and spreading on networks with probability generating functions
Abstract. Epidemic forecasting tools embrace the stochasticity and heterogeneity of disease spread to predict the growth and size of outbreaks. Conceptuall
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Markus Luczak-Roesch @mluczak.bsky.social · 11/12/2025
Early bird reg approaching, NetSciX in New Zealand, Feb 2026. And you can travel down the north island for the Capital City Complex Systems Symposium the week after. netscix2026.github.io www.tepunahamatatini.ac.nz/conferences/... @cna25.bsky.social @cssociety.bsky.social @netsciconf.bsky.social
tepunahamatatini.ac.nz
Capital City Complex Systems Symposium 2026
Join us to explore cutting-edge knowledge of complex systems and how this knowledge is being used to drive system change.
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Hiroki Sayama @hirokisayama.bsky.social · 04/12/2025
npj Complexity special collection: Variational, Nonequilibrium, and Optimization Principles of the Coevolution of Structure and Dynamics in Complex Systems www.nature.com/collections/...
nature.com
Variational, Nonequilibrium, and Optimization Principles of the Coevolution of Structure and Dynamics in Complex Systems
This Collection aims to gather theoretical, computational, and empirical contributions that advance the use of variational principles to explain and predict ...
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Sergi Valverde @svalver.bsky.social · 20/08/2025
What do Pac-Man, Space Invaders, and Mortal Kombat have to teach us about #cultural #evolution? As a social-technological phenomenon, #arcade game genres evolved like cultural species—some diversified, while others became "living fossils." 🕹️🧪 👉 doi.org/10.1017/ehs....
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Hiroki Sayama @hirokisayama.bsky.social · 23/11/2025
CCS 2026 Call for Satellites is now up on the conference website! ccs2026.github.io#call-for-sat...
ccs2026.github.io
CCS 2026: The 2026 Conference on Complex Systems @ Binghamton, NY, USA
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𝙲𝚘𝚖𝚙𝚕𝚎𝙽𝚎𝚝 𝟸𝟶𝟸𝟽 @complenet.bsky.social · 18/11/2025
We’re grateful for the incredible response to the call for contributions! Due to many requests, we have decided to extend the deadline until November 30, 2025 (AoE). 🌐 Info & registration: complenet.weeblysite.com 🚨 Extended deadline: Submit by Nov 30, 2025!
complenet.weeblysite.com
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C. Brandon Ogbunu @cbo.bsky.social · 14/11/2025
"What James Watson got wrong about DNA" By the great Sohini Ramachandran (@sramach.bsky.social) and your boy for The Boston Globe (@bostonglobe.com). www.bostonglobe.com/2025/11/14/o...
bostonglobe.com
What James Watson got wrong about DNA - The Boston Globe
The science he helped pioneer consistently undermines his view that genes determine everything about us.
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Julia Lynch @jlynch13.bsky.social · 27/10/2025
This paper is definitely outside my niche expertise, but fascinating and really, really well done. "gridded, orderly neighborhoods reduce the social interactions residents have with neighbors, lower embeddedness in political problem-solving networks, and depress electoral turnout."
onlinelibrary.wiley.com
American Journal of Political Science | MPSA Journal | Wiley Online Library
Amid rapid urbanization in the developing world, there is growing interest in the effects of urban context on political behavior. An underexplored element of urban context is the built environment it...
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Laurent Hébert-Dufresne @lhd.bsky.social · 15/10/2025
We wrote a little something! @nwlandry.bsky.social and I talk about how new software to study networks with groups (like @xgi.bsky.social !) can help interdisciplinary collaborations tackle old questions from social ontology and the science of groups. www.siam.org/publications...
siam.org
Group Science: The Open Source Study of Higher-order Networks With XGI | SIAM
The CompleX Group Interactions (XGI) software package offers analytical tools, tutorials, and documentation for higher-order network science research.
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𝙲𝚘𝚖𝚙𝚕𝚎𝙽𝚎𝚝 𝟸𝟶𝟸𝟽 @complenet.bsky.social · 01/10/2025
📢 Keynotes unlocked: 5/12. Thrilled to have Laurent Hébert-Dufresne @lhd.bsky.social as a keynote speaker in Complenet’26! Join us to learn more about #networks and #dynamics! 🌐 Info & registration: complenet.weeblysite.com 🚨 Call for contributions open – submit by Nov 15, 2025!
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Binghamton Center of Complex Systems (CoCo) @binghamtoncoco.bsky.social · 28/09/2025
Next CoCo seminar on October 1st by Juniper Lovato from the University of Vermont!
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Deena Mousa @deenamousa.com · 25/09/2025
In 2016 Geoffrey Hinton said “we should stop training radiologists now" since AI would soon be better at their jobs. He was right: models have outperformed radiologists on benchmarks for ~a decade. Yet radiology jobs are at record highs, with an average salary of $520k. Why?
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Santa Fe Institute @sfiscience.bsky.social · 22/09/2025
Final week to apply for the 2026 SFI Complexity Postdoctoral Fellowships If you're an early-career scholar and passionate about collaborative, transdisciplinary research beyond traditional departments, this is the postdoc fellowship for you. Deadline: Oct 1, 2025 Apply: santafe.edu/sfifellowship
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Giulio Burgio @giulioburgio.bsky.social · 21/09/2025
Very cool interactive story, @jstonge.bsky.social! "[...] real social cascades aren't simply branching processes with fixed rules." A self-reinforcing mechanism is what we propose in a recent piece led by the one and only @lhd.bsky.social.
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𝙲𝚘𝚖𝚙𝚕𝚎𝙽𝚎𝚝 𝟸𝟶𝟸𝟽 @complenet.bsky.social · 15/09/2025
📢 Excited to announce CompleNet 2026! Join us to share your network science research in a highly interdisciplinary conference! 🗓️ 4–8 May 2026 | 📍 Zaragoza, Spain 🇪🇸 🚨 Call for contributions open – submit by Nov 15, 2025! 🌐 Info & registration: complenet.weeblysite.com
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Laurent Hébert-Dufresne @lhd.bsky.social · 18/09/2025
Our Physical Review Letter looks at how to get power-law distributions of cascade size without tuning or self-organization to criticality by allowing cascades to improve in quality and jump over gaps or dead-ends TL;DR complex-stories.uvm.edu/friends-funn... Paper: journals.aps.org/prl/abstract...
complex-stories.uvm.edu
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Tim Waring @twaring.bsky.social · 15/09/2025
🚨 Excited to share a new paper 📃, years in the making, with Zach Wood. We propose that human evolution is characterized as an Evolutionary Transition in Inheritance and Individuality (ETII). Explainer and OA paper below:
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Hiroki Sayama @hirokisayama.bsky.social · 05/09/2025
Done! It was a super fun week of complexity. Huge thanks to the organizers! And see you all next year in Binghamton!! #CCS2025 #CCS2026 youtu.be/kIK3DleA-Us
youtu.be
CCS 2026 | Binghamton, N.Y., USA
YouTube video by Watson College at Binghamton University
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Alejandro Espinosa-Rada @aespinosarada.bsky.social · 04/09/2025
Excited to announce the Social Network Summer School 🇨🇱! 📅 Jan 12–16, 2026 | Santiago, Chile Keynotes: @estebanmoro.bsky.social & @krivitsky.net @insna.bsky.social & @netscisociety.bsky.social Apply by Oct 5 👉 snlab-cl.github.io/summerschool/
snlab-cl.github.io
ChiSocNet Summer School – 2026 - 2nd Chilean Summer School about Social Network Research – January 2026
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João Franco @okfranco.bsky.social · 01/09/2025
🎓 I've joined the PhD in Complex Systems & Data Science at @vcsi.bsky.social to work w/ @lhd.bsky.social & @juniperlov.bsky.social to explore social (complex) dynamics 🔬 Huge thanks to @joanagsa.bsky.social & Lília Perfeito for helping me get ready for this chapter 🚀 Excited for this next step!
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Laurent Hébert-Dufresne @lhd.bsky.social · 01/09/2025
Happy to be in beautiful Siena for the Conference on Complex Systems. We are partnering with the organizers for a Collection in npj Complexity on "The Evolving Landscape of Complex Systems." #ccs2025 I'm excited to meet everyone to talk complexity! Submit your work: www.nature.com/collections/...
The beautiful venue of CCS 2025 in Siena, Italy.
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Vermont Complex Systems Institute @vcsi.bsky.social · 29/08/2025
We love this research profile on Vermont Complex Systems Institute core faculty @juniperlov.bsky.social 🐙 www.linkedin.com/posts/uvm-vc...
linkedin.com
Juniper Lovato is a Vermont Complex Systems Institute core faculty member and an outstanding thinker who has been critical to many of our most significant research efforts. Learn about what makes her…...
Juniper Lovato is a Vermont Complex Systems Institute core faculty member and an outstanding thinker who has been critical to many of our most significant research efforts. Learn about what makes her ...
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Prof Ian Hall @ianhall.bsky.social · 21/08/2025
A survey of >99k people (110 regions) shows the Global North has denser belief networks, while the Global South has looser connections Inconsistency appears in areas (eg Mid East), where support for fossil fuels conflicts with support for renewables/climate policies www.nature.com/articles/s41...
nature.com
Variations in climate change belief systems across 110 geographic areas - Nature Climate Change
Climate beliefs do not exist in isolation but form an interconnected network known as a belief system. This study analyses the density and inconsistency of belief systems and their associations with informational and socioeconomic factors to inform effective climate change communication strategies.
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Santa Fe Institute @sfiscience.bsky.social · 21/08/2025
It might start as a joke, belief, or rumor, easy to dismiss. But then it twists, builds momentum, and spreads like wildfire. Why do some ideas die out while others go viral? A new study by researchers from the University of Vermont and the Santa Fe Institute offers answers: santafe.edu/news
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Brendan Nyhan @brendannyhan.bsky.social · 21/08/2025
New job ad: Assistant Professor of Quantitative Social Science, Dartmouth College apply.interfolio.com/172357 Please share with your networks. I am the search chair and happy to answer questions!
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Daniel Redhead @danielredhead.bsky.social · 04/08/2025
🐒🕸️ New preprint! Confused about how to model animal social networks? ASNA can be confusing—but also full of opportunity. We break down 5 common misunderstandings in animal social network analysis and share solutions from behavioural ecology, anthro, stats, & network science. Hope it helps! A 🧵
ecoevorxiv.org
Five misunderstandings in animal social network analysis
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Santa Fe Institute @sfiscience.bsky.social · 28/07/2025
Applications are open for SFI's 2026 Complexity Postdoctoral Fellowships If you’ve recently earned a Ph.D. in any scientific field and want to pursue independent, transdisciplinary research, consider applying. Deadline: October 1, 2025 Apply here: santafe.edu/sfifellowship
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Zachary Neal @zpneal.bsky.social · 25/07/2025
Excited that our #network data sharing recommendations have received a commendation from SIPS! Read the recommendations 👉 www.zacharyneal.com/datasharing Endorse the recommendations 👉 forms.gle/sgpjyUnkufJF...
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International Conference on Computational Social Science @ic2s2.bsky.social · 24/07/2025
That’s a wrap on IC2S2’25! 🎉 Thank you for an unforgettable week of ideas and discussions. Congratulations to our award winners, and safe travels home. Mark your calendars: #ic2s2 ’ 26 heads to Burlington, Vermont, in the US. See you next year!
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