Complexity Science Hub

Complexity Science Hub We Are Europe's Research Center Translating Data into Solutions for a Better World.

The Complexity Science Hub (CSH) is Europe’s research center for the study of complex systems. We derive meaning from data from a range of disciplines – economics, medicine, ecology, and the social sciences – as a basis for actionable solutions for a better world. Established in 2016, we have grown to over 70 researchers, driven by the increasing demand to gain a genuine understanding of the netwo

rks that underlie society, from healthcare to supply chains. Through our complexity science approaches linking physics, mathematics, and computational modeling with data and network science, we develop the capacity to address today's and tomorrow’s challenges. CSH members are AIT Austrian Institute of Technology, BOKU University, Central European University CEU, Graz University of Technology, IT:U Interdisciplinary Transformation University Austria, Medical University of Vienna, TU Wien, University of Continuing Education Krems, Vetmeduni Vienna, Vienna University of Economics and Business, and WKO Austrian Economic Chambers.

  – If you are eager to advance complex systems research and its applications in network medicine and health data scienc...
04/01/2026

– If you are eager to advance complex systems research and its applications in network medicine and health data science – and if you share a commitment to improving society and our planet through science – this is your chance.

👉 Find more information and apply here: https://bit.ly/4s6hZWO

Learn more about research at the Complexity Science Hub in the field of 𝐇𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞 & 𝐌𝐞𝐝𝐢𝐜𝐢𝐧𝐞 and meet the researchers behind it:
🔗 https://bit.ly/4j8PCmM

Join our CSH   👋There are many uncertainties about what work will look like in the future: 🤔What will fundamentally chan...
02/01/2026

Join our CSH 👋
There are many uncertainties about what work will look like in the future: 🤔
What will fundamentally change through AI? 🤖 Which jobs will disappear, which new ones will emerge? Who will be able to adapt? And which cities are best positioned to embrace the coming changes? 🌆

These questions – and many more – are at the core of our upcoming Winter School at the Complexity Science Hub, led by Frank Neffke, Ljubica Nedelkoska, Xiangnan Feng, and Hillary Vipond. ❄️📚

We look forward to many highlights – including a keynote by James Evans and lectures from Maria del Rio-Chanona and Johannes Wachs. 🎤✨
More information: https://bit.ly/4pmhDsJ

Apply now – applications are open until January 11! 📅✨
Feel free to !
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Members of the Complexity Science Hub are AIT Austrian Institute of Technology, BOKU University, Central European University, Interdisciplinary Transformation University (IT:U), Medizinische Universität Wien, Technische Universität Wien, Technische Universität Graz, Universität für Weiterbildung Krems, Vetmeduni, WU (Wirtschaftsuniversität Wien) and Austrian Federal Economic Chamber.

🌟 A glimpse of the Complexity Science Hub in 2025 – our CSH Inbrief is now available online, in case you'd like to dive ...
29/12/2025

🌟 A glimpse of the Complexity Science Hub in 2025 – our CSH Inbrief is now available online, in case you'd like to dive into our journey a bit.
https://bit.ly/4s4wWZv

Looking for a summer   that challenges your mind and sparks your curiosity? 🌟 Next year, the Complexity Science Hub is a...
27/12/2025

Looking for a summer that challenges your mind and sparks your curiosity? 🌟 Next year, the Complexity Science Hub is again offering the chance to dive into the world of complexity science – and gain hands-on experience using quantitative tools to explore the complex systems shaping our society and economy.

📌 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: until January 13, 2026
📅 𝐖𝐡𝐞𝐧: June 15 – September 1, 2026 (6–10 weeks)
🎓 𝐖𝐡𝐨: Bachelor’s and Master’s students
📍 𝐖𝐡𝐞𝐫𝐞: In-person in Vienna
🔗 𝐋𝐞𝐚𝐫𝐧 𝐦𝐨𝐫𝐞 & 𝐚𝐩𝐩𝐥𝐲: https://bit.ly/4hBQPlq

Next summer, jump into projects including:
➡️ Digital Sovereignty in the Public Sector
➡️ Large Language Models in Digital Forensics
➡️ Cancer Diagnoses and Mental Disorders
➡️ The Science of Science at CSH
➡️ How We Perceive Polarization
➡️ Tracing the Origins of Political Contributions
➡️ Counterfactual Time Series for Graph Dynamics
➡️ Building Blocks of Production Networks
➡️ Synthetic Graph Generation
➡️ Science Communication: Design a Workshop for Kids

Work alongside CSH experts like Bernhard Haslhofer, Elma Hot Dervic, Leonardo Niccolò Ialongo, Liuhuaying Yang, Eddie Lee, and Peter Steiglechner – and see how complexity science tackles real-world challenges.

👋 Looking forward to seeing you next year!

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| Members of the Complexity Science Hub are: AIT Austrian Institute of Technology , BOKU University, Central European University, Interdisciplinary Transformation University, Medizinische Universität Wien , Technische Universität Wien, Technische Universität Graz , Universität für Weiterbildung Krems , Vetmeduni , WU (Wirtschaftsuniversität Wien) and Austrian Federal Economic Chamber

📣 We’re  !Are you passionate about making complex knowledge easy to understand? Do you have experience in communication/...
25/12/2025

📣 We’re !
Are you passionate about making complex knowledge easy to understand? Do you have experience in communication/PR, social media, and video content creation, and are looking for a place where you can put your skills to work quickly and creatively? Then you might be the perfect match for our team at the Complexity Science Hub.

We are looking for a new member to join our Team. Find the full job description and all details here: https://bit.ly/3YGjSvG

🗓️ Applications are open until 15 January 2026.
📨 Please feel free to !

🎄 𝐌𝐞𝐫𝐫𝐲 𝐂𝐡𝐫𝐢𝐬𝐭𝐦𝐚𝐬 𝐟𝐫𝐨𝐦 𝐭𝐡𝐞 𝐂𝐨𝐦𝐩𝐥𝐞𝐱𝐢𝐭𝐲 𝐒𝐜𝐢𝐞𝐧𝐜𝐞 𝐇𝐮𝐛! ✨And for a little holiday science magic: the size and shape of a city...
24/12/2025

🎄 𝐌𝐞𝐫𝐫𝐲 𝐂𝐡𝐫𝐢𝐬𝐭𝐦𝐚𝐬 𝐟𝐫𝐨𝐦 𝐭𝐡𝐞 𝐂𝐨𝐦𝐩𝐥𝐞𝐱𝐢𝐭𝐲 𝐒𝐜𝐢𝐞𝐧𝐜𝐞 𝐇𝐮𝐛! ✨
And for a little holiday science magic: the size and shape of a city matter – not just for Santa’s travel routes and the energy his reindeer need 😉. With our CSH Cities Morphology visualization, you can create virtual cities based on characteristics like city shape, population, and density, and explore how these features influence travel paths, energy use, and land consumption.

🔗 Click here to see how Santa might roam the city: https://bit.ly/4jusSx6

Wishing you a joyful and curious Christmas from all of us at CSH!

Happy 75th Birthday, János Kertész! 🎉A pioneer of complex systems and network science, Central European University profe...
22/12/2025

Happy 75th Birthday, János Kertész! 🎉
A pioneer of complex systems and network science, Central European University professor, and part of the Complexity Science Hub (CSH) since its very beginning. A great occasion to highlight his research, mentorship, and lasting impact.

👉 Read the story: https://bit.ly/4al4OuI
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🖼️ CEU/Sotiris Bekas

🏛️ Why do we live today – and, from an evolutionary perspective, only recently – almost exclusively organized in large s...
17/12/2025

🏛️ Why do we live today – and, from an evolutionary perspective, only recently – almost exclusively organized in large states? Last week, Peter Turchin and Jenny Reddish shared their insights at a special event at the Complexity Science Hub.

Peter Turchin discussed The Great Holocene Transformation, exploring how humans grew from scattered bands of foragers into vast empires in just ten millennia. He shared a paradoxical insight: war made us cooperative ⚔️🤝. From cavalry 🐎 to metalworking ⚒️, conflict forged our ultrasociality.

Jenny Reddish focused on moralizing religions – gods who reward good behavior and punish wrongdoing 🙏⚖️ – which are also a relatively recent phenomenon in human history. She offered insights into a chicken-and-egg question 🐔🥚: Did moralizing gods enable humans to live together in large states by fostering trust and cooperation in vast, anonymous societies? Or did large, complex states come first, creating the social structures in which such religions could effectively operate?

For those interested in exploring these topics further, here are the researchers’ books 📚:

𝐓𝐡𝐞 𝐆𝐫𝐞𝐚𝐭 𝐇𝐨𝐥𝐨𝐜𝐞𝐧𝐞 𝐓𝐫𝐚𝐧𝐬𝐟𝐨𝐫𝐦𝐚𝐭𝐢𝐨𝐧 by Peter Turchin: https://peterturchin.com/book/the-great-holocene-transformation/

𝐒𝐞𝐬𝐡𝐚𝐭: 𝐇𝐢𝐬𝐭𝐨𝐫𝐲 𝐨𝐟 𝐌𝐨𝐫𝐚𝐥𝐢𝐳𝐢𝐧𝐠 𝐑𝐞𝐥𝐢𝐠𝐢𝐨𝐧, edited by Jenny Reddish, Peter Turchin, and Jennifer Larson: https://www.berestabooks.com/books/seshat-history-of-moralizing-religion

  – If you are eager to advance complex systems research and its applications in network medicine and health data scienc...
16/12/2025

– If you are eager to advance complex systems research and its applications in network medicine and health data science – and if you share a commitment to improving society and our planet through science – this is your chance.

👉 Find more information and apply here: https://csh.jobs.personio.com/job/2463342

Learn more about research at the Complexity Science Hub in the field of 𝐇𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞 & 𝐌𝐞𝐝𝐢𝐜𝐢𝐧𝐞 and meet the researchers behind it:
🔗 https://csh.ac.at/research/research-topic/healthcare-medicine/

Few topics polarize public debate as much as migration. Fact is, it shapes Europe’s present and future. But what often g...
15/12/2025

Few topics polarize public debate as much as migration. Fact is, it shapes Europe’s present and future. But what often gets lost in the discussion is what the data actually tell us. 📊

At the 2025 Conference of the European Migration Network in Lithuania, Ljubica Nedelkoska, researcher at the Complexity Science Hub, delivered a keynote on migration in Europe and how to make it work.

𝐈𝐧 𝐡𝐞𝐫 𝐭𝐚𝐥𝐤, 𝐬𝐡𝐞 𝐟𝐨𝐜𝐮𝐬𝐞𝐝 𝐨𝐧 𝐭𝐡𝐫𝐞𝐞 𝐤𝐞𝐲 𝐪𝐮𝐞𝐬𝐭𝐢𝐨𝐧𝐬:

📈 Why the EU needs immigration – and how it contributes to economic growth and long-term prosperity

🌍 How the scale and diversity of migration have evolved, and why some countries are more successful at integrating immigrants economically

🧩 How integration can be improved by leveraging immigrant entrepreneurship and aligning companies’ incentives to train and hire immigrants

“The conference was extremely relevant for Europe’s migration policy,” says Nedelkoska.

It was organized by the European Commission, the Lithuanian Ministry of the Interior, and the .

🔗 https://www.emn.lt/emn-conference-2025/
🖼️ Irmantas Gelūnas

Excited to welcome Juri Haumer to the Complexity Science Hub!Juri is a PhD candidate specializing in  , with a strong fo...
12/12/2025

Excited to welcome Juri Haumer to the Complexity Science Hub!

Juri is a PhD candidate specializing in , with a strong focus on modelling socio-metabolic systems using approaches from complexity science and network theory. His work is primarily embedded in the REMASS project, where he explores how material flows and social processes interact across large-scale systems.

Great to have you here, Juri!

https://csh.ac.at/juri-konstantin-haumer/

🇪🇺 𝐀 𝐜𝐫𝐮𝐜𝐢𝐚𝐥 𝐜𝐨𝐧𝐯𝐞𝐫𝐬𝐚𝐭𝐢𝐨𝐧 𝐢𝐧 𝐁𝐫𝐮𝐬𝐬𝐞𝐥𝐬 –– Supply chains are the metabolism of an economy. But how do we keep this metabol...
11/12/2025

🇪🇺 𝐀 𝐜𝐫𝐮𝐜𝐢𝐚𝐥 𝐜𝐨𝐧𝐯𝐞𝐫𝐬𝐚𝐭𝐢𝐨𝐧 𝐢𝐧 𝐁𝐫𝐮𝐬𝐬𝐞𝐥𝐬 –– Supply chains are the metabolism of an economy. But how do we keep this metabolism healthy and resilient, especially in a world where geopolitical actors increasingly leverage dependencies in our production networks? 🌍⚙️

🔎 𝐀 𝐛𝐢𝐭 𝐨𝐟 𝐛𝐚𝐜𝐤𝐠𝐫𝐨𝐮𝐧𝐝
Supply chains are not linear chains at all. They are highly interconnected, dynamic networks. Efficiency, innovation, competitiveness and resilience do not emerge at the level of individual firms — they arise from the structure of the network as a whole.

🧩 𝐀 𝐮𝐧𝐢𝐟𝐢𝐞𝐝 𝐄𝐮𝐫𝐨𝐩𝐞𝐚𝐧 𝐝𝐚𝐭𝐚 𝐬𝐩𝐚𝐜𝐞?
Technically, we can map these networks today — for example through VAT transaction data. While major global powers (USA, China, UK) and private players (Bloomberg, J.P. Morgan) are already building full-scale supply-chain intelligence systems, Europe still lacks a comparable real-time view of its own economic networks.

The result? Europe risks relying on foreign insights about its own economy — a strategic vulnerability we can no longer afford.

🌐 𝐖𝐡𝐚𝐭 𝐬𝐮𝐜𝐡 𝐯𝐢𝐬𝐢𝐛𝐢𝐥𝐢𝐭𝐲 𝐰𝐨𝐮𝐥𝐝 𝐫𝐞𝐯𝐞𝐚𝐥
➡️ Strategic dependencies – who depends on whom, even across multiple tiers
➡️ Systemic risk – which firms represent critical nodes for the whole economy
➡️ Resilience patterns – how shocks propagate and which sectors are most exposed
➡️ Ex-ante simulations – policy options tested in silico before being implemented

🇪🇺 𝐓𝐡𝐢𝐬 𝐰𝐞𝐞𝐤, 𝐰𝐞 𝐝𝐢𝐬𝐜𝐮𝐬𝐬𝐞𝐝 𝐭𝐡𝐞𝐬𝐞 𝐪𝐮𝐞𝐬𝐭𝐢𝐨𝐧𝐬 𝐢𝐧 𝐁𝐫𝐮𝐬𝐬𝐞𝐥𝐬:

1️⃣ At a panel hosted by the Complexity Science Hub and the Supply Chain Intelligence Institute Austria (ASCII) together with the Wirtschaftskammer (WKO), with insights from Georg Konetzky (Federal Ministry of Economy, Energy and Tourism), Outi Slotboom (DG GROW, European Commission), and Stefan Thurner (CSH & ASCII), followed by a panel discussion with Lukas Mandl (European Parliament), Peter Klimek (ASCII & CSH), Thomas Eibl (WKO), and William Connell Garcia (DG GROW, European Commission).

2️⃣ At a presentation in the European Parliament, discussing the strategy paper by Stefan Thurner and Peter Klimek for the EP: Strategic dependencies, resilience and competitiveness in EU supply chains at the firm level — https://www.europarl.europa.eu/thinktank/de/document/ECTI_IDA(2025)779855

3️⃣ On a with Lukas Mandl, which we are already looking forward to listening to here: https://open.spotify.com/show/4fyg2Xh3rFrgjBsCe8Q4TT

🔬 𝐖𝐡𝐚𝐭’𝐬 𝐧𝐞𝐱𝐭?
At CSH, we look forward to continuing this crucial conversation. Few topics are as central to Europe’s future competitiveness, sustainability and strategic autonomy as the ability to truly understand and enhance the resilience of our supply networks.

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