Centrum Wiskunde & Informatica
@cwi-amsterdam.bsky.social
Centrum Wiskunde & Informatica (CWI) is the national research institute for mathematics and computer science in the Netherlands since 1946. Skeets Dutch/English.
Jordi Weggemans (CWI, QuSoft) defended his thesis Quantum vs Classical Resources in Computational Complexity on 13 November at UvA. His PhD research explored how quantum and classical computational resources compare.
Congrats, Jordi! 🎉
More info: edu.nl/xkkyv
Congrats, Jordi! 🎉
More info: edu.nl/xkkyv
November 19, 2025 at 2:17 PM
Jordi Weggemans (CWI, QuSoft) defended his thesis Quantum vs Classical Resources in Computational Complexity on 13 November at UvA. His PhD research explored how quantum and classical computational resources compare.
Congrats, Jordi! 🎉
More info: edu.nl/xkkyv
Congrats, Jordi! 🎉
More info: edu.nl/xkkyv
The latest ERCIM News explores ‘Inclusive Digital Futures’. From CWI, Mae Sosto and Laura Hollink, together with Delfina Sol Martinez Pandiani (UvA), show how large language models can reproduce biased associations for, e.g., queer and nonbinary identities.
Read more 🌈: edu.nl/ehbcw
Read more 🌈: edu.nl/ehbcw
November 8, 2025 at 1:27 AM
The latest ERCIM News explores ‘Inclusive Digital Futures’. From CWI, Mae Sosto and Laura Hollink, together with Delfina Sol Martinez Pandiani (UvA), show how large language models can reproduce biased associations for, e.g., queer and nonbinary identities.
Read more 🌈: edu.nl/ehbcw
Read more 🌈: edu.nl/ehbcw
This week, at the 14th General Assembly of the Quantum Software Consortium (QSC) in Leiden – opened by our colleague Ronald de Wolf – Freek Witteveen (CWI, QuSoft) presented work on Randomized truncation of quantum states, improving accuracy without using extra memory. Great!
See edu.nl/kqeh9
See edu.nl/kqeh9
November 8, 2025 at 1:11 AM
This week, at the 14th General Assembly of the Quantum Software Consortium (QSC) in Leiden – opened by our colleague Ronald de Wolf – Freek Witteveen (CWI, QuSoft) presented work on Randomized truncation of quantum states, improving accuracy without using extra memory. Great!
See edu.nl/kqeh9
See edu.nl/kqeh9
Researchers wrapped up Satellite Workshop 2 in Amsterdam last week, the final event of the Learning-Enhanced Optimization Research Semester Programme, co-organized by CWI. Highlights included maths for fair housing, precision medicine and ALS & Alzheimer's research. Thanks to all!
See edu.nl/nrvct
See edu.nl/nrvct
November 8, 2025 at 1:03 AM
Researchers wrapped up Satellite Workshop 2 in Amsterdam last week, the final event of the Learning-Enhanced Optimization Research Semester Programme, co-organized by CWI. Highlights included maths for fair housing, precision medicine and ALS & Alzheimer's research. Thanks to all!
See edu.nl/nrvct
See edu.nl/nrvct
Next week: the 49th Woudschoten Conference (24–26 Sept)! CWI has long supported this key meeting of the Dutch & Flemish numerical mathematics community. Thanks to the organizing team! 🌟 edu.nl/j9ax9
September 18, 2025 at 10:20 AM
Next week: the 49th Woudschoten Conference (24–26 Sept)! CWI has long supported this key meeting of the Dutch & Flemish numerical mathematics community. Thanks to the organizing team! 🌟 edu.nl/j9ax9
Last week, CWI’s Peter Boncz and co-authors received the 2025 VLDB Test of Time Award for their influential paper 'How Good Are Query Optimizers, Really?’ Congrats! 🎉
More info: edu.nl/93h4e
More info: edu.nl/93h4e
September 11, 2025 at 3:32 PM
Last week, CWI’s Peter Boncz and co-authors received the 2025 VLDB Test of Time Award for their influential paper 'How Good Are Query Optimizers, Really?’ Congrats! 🎉
More info: edu.nl/93h4e
More info: edu.nl/93h4e
🎬 This week, our colleague Ronald de Wolf (CWI, UvA, QuSoft) was interviewed at CWI by Michael Masters for a documentary on how to deal with exponential-time computations.
Looking forward to the release!
Looking forward to the release!
September 10, 2025 at 2:30 PM
🎬 This week, our colleague Ronald de Wolf (CWI, UvA, QuSoft) was interviewed at CWI by Michael Masters for a documentary on how to deal with exponential-time computations.
Looking forward to the release!
Looking forward to the release!
Programming language Python - from Guido van Rossum’s CWI side project in the 80s to code running even on Mars! This week, 'Python: The Documentary' premiered at PyCon Greece 2025. 🎥 Watch it online now: edu.nl/qwy8w
August 29, 2025 at 4:16 PM
Programming language Python - from Guido van Rossum’s CWI side project in the 80s to code running even on Mars! This week, 'Python: The Documentary' premiered at PyCon Greece 2025. 🎥 Watch it online now: edu.nl/qwy8w
#ThrowbackThursday 🔒
In 2013, Marten van Dijk and colleagues introduced Path ORAM, an algorithm that hides how data is accessed in memory.
The technique has since become part of Signal, protecting the privacy of millions worldwide. More: edu.nl/vw94w
#privacy #computersecurity #researchimpact
In 2013, Marten van Dijk and colleagues introduced Path ORAM, an algorithm that hides how data is accessed in memory.
The technique has since become part of Signal, protecting the privacy of millions worldwide. More: edu.nl/vw94w
#privacy #computersecurity #researchimpact
August 21, 2025 at 10:12 AM
#ThrowbackThursday 🔒
In 2013, Marten van Dijk and colleagues introduced Path ORAM, an algorithm that hides how data is accessed in memory.
The technique has since become part of Signal, protecting the privacy of millions worldwide. More: edu.nl/vw94w
#privacy #computersecurity #researchimpact
In 2013, Marten van Dijk and colleagues introduced Path ORAM, an algorithm that hides how data is accessed in memory.
The technique has since become part of Signal, protecting the privacy of millions worldwide. More: edu.nl/vw94w
#privacy #computersecurity #researchimpact
What if you could guide your internet traffic by region? First public #SCION demo in the Netherlands presented by CWI and #NLnet, live at CWI’s library. 🔗 edu.nl/n9yqg
August 14, 2025 at 2:47 PM
What if you could guide your internet traffic by region? First public #SCION demo in the Netherlands presented by CWI and #NLnet, live at CWI’s library. 🔗 edu.nl/n9yqg
Opera, tech & community — the EU-funded TRACTION project showed how co-creation can spark cultural democracy. A unique experiment across art, tech & inclusion, featured as one of 40 landmark EU research projects. Full story here👉https://edu.nl/npbcb
🎭👥💻 #EUfunded #CulturalDemocracy #DigitalInclusion
🎭👥💻 #EUfunded #CulturalDemocracy #DigitalInclusion
August 7, 2025 at 10:06 AM
Opera, tech & community — the EU-funded TRACTION project showed how co-creation can spark cultural democracy. A unique experiment across art, tech & inclusion, featured as one of 40 landmark EU research projects. Full story here👉https://edu.nl/npbcb
🎭👥💻 #EUfunded #CulturalDemocracy #DigitalInclusion
🎭👥💻 #EUfunded #CulturalDemocracy #DigitalInclusion
Congrats to Ute Ebert (CWI, @tue.nl) on winning the Von Engel & Franklin Prize for her groundbreaking work on sparks, streamers and lightning.
Her research sheds light on how fast, branching discharges form and what effects they trigger.
Awarded at ICPIG 2025, Aix-en-Provence, France. edu.nl/whyq4
Her research sheds light on how fast, branching discharges form and what effects they trigger.
Awarded at ICPIG 2025, Aix-en-Provence, France. edu.nl/whyq4
July 28, 2025 at 10:07 AM
Congrats to Ute Ebert (CWI, @tue.nl) on winning the Von Engel & Franklin Prize for her groundbreaking work on sparks, streamers and lightning.
Her research sheds light on how fast, branching discharges form and what effects they trigger.
Awarded at ICPIG 2025, Aix-en-Provence, France. edu.nl/whyq4
Her research sheds light on how fast, branching discharges form and what effects they trigger.
Awarded at ICPIG 2025, Aix-en-Provence, France. edu.nl/whyq4
How are advanced computational methods reshaping science, industry and policy? Find out during the Computational Science Lecture Series this October in Utrecht. Daan Crommelin and Benjamin Sanderse are talking about Uncertainty Quantification and Scientific Machine Learning. More info: edu.nl/66u9r
July 28, 2025 at 9:59 AM
How are advanced computational methods reshaping science, industry and policy? Find out during the Computational Science Lecture Series this October in Utrecht. Daan Crommelin and Benjamin Sanderse are talking about Uncertainty Quantification and Scientific Machine Learning. More info: edu.nl/66u9r
At our recent CWI in Bedrijf event, we presented the successful results of DOLCE VITA, a model to reduce waiting times in elderly care. Watch the video on our website for an impression. Now moving into practice in the Amsterdam region with care providers and a Community of Practice. 👉 edu.nl/u33xe
Project to reduce waiting times in healthcare moves into practice
A mathematical model that reduces waiting times in elderly care by intelligently matching supply and demand will soon be tested in practice in the Amsterdam region.
edu.nl
July 21, 2025 at 5:29 PM
At our recent CWI in Bedrijf event, we presented the successful results of DOLCE VITA, a model to reduce waiting times in elderly care. Watch the video on our website for an impression. Now moving into practice in the Amsterdam region with care providers and a Community of Practice. 👉 edu.nl/u33xe
“Quantum computing was the coolest subject I’d ever studied,” says Stacey Jeffery (CWI, QuSoft, UvA). In NWO’s magazine Onderzoek she reflects on her journey, research in quantum algorithms, and founding WIQD to promote inclusivity.
See: 🔗 edu.nl/qan8u
#QuantumComputing #WIQD #Inclusion #Science
See: 🔗 edu.nl/qan8u
#QuantumComputing #WIQD #Inclusion #Science
July 16, 2025 at 5:50 PM
“Quantum computing was the coolest subject I’d ever studied,” says Stacey Jeffery (CWI, QuSoft, UvA). In NWO’s magazine Onderzoek she reflects on her journey, research in quantum algorithms, and founding WIQD to promote inclusivity.
See: 🔗 edu.nl/qan8u
#QuantumComputing #WIQD #Inclusion #Science
See: 🔗 edu.nl/qan8u
#QuantumComputing #WIQD #Inclusion #Science
CWI-led study shows communities can cut energy costs by renting space in large grid-connected batteries. Tested with real data, the model benefits both neighbourhoods and operators. Read more: edu.nl/4aqcw
Battery sharing could cut energy costs for communities, study finds
As solar and wind use grows, a CWI-led study offers cost-effective solution for local energy storage.
edu.nl
July 16, 2025 at 4:41 PM
CWI-led study shows communities can cut energy costs by renting space in large grid-connected batteries. Tested with real data, the model benefits both neighbourhoods and operators. Read more: edu.nl/4aqcw
🎓 PhD School on Machine Learning & Optimization
Join us at CWI (Amsterdam), 2-4 September 2025
As part of CWI’s Research Semester on Learning-Enhanced Optimization, this 3-day PhD School is open to PhDs, postdocs and early-career researchers.
📆 Register by 24 August
🔗 edu.nl/jnhq4
Join us at CWI (Amsterdam), 2-4 September 2025
As part of CWI’s Research Semester on Learning-Enhanced Optimization, this 3-day PhD School is open to PhDs, postdocs and early-career researchers.
📆 Register by 24 August
🔗 edu.nl/jnhq4
July 9, 2025 at 12:46 PM
🎓 PhD School on Machine Learning & Optimization
Join us at CWI (Amsterdam), 2-4 September 2025
As part of CWI’s Research Semester on Learning-Enhanced Optimization, this 3-day PhD School is open to PhDs, postdocs and early-career researchers.
📆 Register by 24 August
🔗 edu.nl/jnhq4
Join us at CWI (Amsterdam), 2-4 September 2025
As part of CWI’s Research Semester on Learning-Enhanced Optimization, this 3-day PhD School is open to PhDs, postdocs and early-career researchers.
📆 Register by 24 August
🔗 edu.nl/jnhq4
Reposted by Centrum Wiskunde & Informatica
Zorg functioneert verre van optimaal en wiskunde moet daar verandering in brengen: ‘De uitdagingen hier in Amsterdam zijn best groot’
Mijn interview met Rob vd Mei @cwi-amsterdam.bsky.social
en Bianca Buurman
www.parool.nl/amsterdam/zo...
Mijn interview met Rob vd Mei @cwi-amsterdam.bsky.social
en Bianca Buurman
www.parool.nl/amsterdam/zo...
Zorg functioneert verre van optimaal en wiskunde moet daar verandering in brengen: ‘De uitdagingen hier in Amsterdam zijn best groot’
De Amsterdamse ouderenzorg verbeteren met een interdisciplinaire aanpak waarbij een hoofdrol is weggelegd voor wiskunde. Dat doen Bianca Buurman en Rob van der Mei in het project Dolce Vita.
www.parool.nl
June 26, 2025 at 7:39 AM
Zorg functioneert verre van optimaal en wiskunde moet daar verandering in brengen: ‘De uitdagingen hier in Amsterdam zijn best groot’
Mijn interview met Rob vd Mei @cwi-amsterdam.bsky.social
en Bianca Buurman
www.parool.nl/amsterdam/zo...
Mijn interview met Rob vd Mei @cwi-amsterdam.bsky.social
en Bianca Buurman
www.parool.nl/amsterdam/zo...
Reposted by Centrum Wiskunde & Informatica
Help us with pretesting stimuli for an experiment on 'AI disclosures' 📣
Together with @cwi-amsterdam.bsky.social, we have a Qualtrics survey that will help us getting sense of our stimuli 👇
Thank you!
uva.fra1.qualtrics.com/jfe/form/SV_...
Together with @cwi-amsterdam.bsky.social, we have a Qualtrics survey that will help us getting sense of our stimuli 👇
Thank you!
uva.fra1.qualtrics.com/jfe/form/SV_...
Qualtrics Survey | Qualtrics Experience Management
The most powerful, simple and trusted way to gather experience data. Start your journey to experience management and try a free account today.
eur04.safelinks.protection.outlook.com
July 4, 2025 at 6:33 AM
Help us with pretesting stimuli for an experiment on 'AI disclosures' 📣
Together with @cwi-amsterdam.bsky.social, we have a Qualtrics survey that will help us getting sense of our stimuli 👇
Thank you!
uva.fra1.qualtrics.com/jfe/form/SV_...
Together with @cwi-amsterdam.bsky.social, we have a Qualtrics survey that will help us getting sense of our stimuli 👇
Thank you!
uva.fra1.qualtrics.com/jfe/form/SV_...
Same question. Same AI. Different answer. CWI’s @Davide Ceolin and Inria colleagues found that the language you use can strongly influence how LLMs like ChatGPT respond. This poses a risk for global companies relying on multilingual AI.
🔗 Read the story: edu.nl/txqja
🔗 Read the story: edu.nl/txqja
July 7, 2025 at 2:36 PM
Same question. Same AI. Different answer. CWI’s @Davide Ceolin and Inria colleagues found that the language you use can strongly influence how LLMs like ChatGPT respond. This poses a risk for global companies relying on multilingual AI.
🔗 Read the story: edu.nl/txqja
🔗 Read the story: edu.nl/txqja
HELIOS, led by AMOLF with DIFFER & CWI, received funding from NWO-I’s new Strategic Renewal Fund 🎉. Together we want to design ultra-efficient perovskite solar cells with up to 20 layers. CWI leads the AI effort.
edu.nl/73ryx
#AI #solar #perovskite #solarenergy
edu.nl/73ryx
#AI #solar #perovskite #solarenergy
June 30, 2025 at 5:25 PM
HELIOS, led by AMOLF with DIFFER & CWI, received funding from NWO-I’s new Strategic Renewal Fund 🎉. Together we want to design ultra-efficient perovskite solar cells with up to 20 layers. CWI leads the AI effort.
edu.nl/73ryx
#AI #solar #perovskite #solarenergy
edu.nl/73ryx
#AI #solar #perovskite #solarenergy
👥🍽️ Conversations in full flow at #CHIWORK25 — great company, inspiring ideas!
As the final sessions wrap up, we’re weaving people, research, tech & purpose here in Amsterdam 🧵
🔗 Explore CHIWORK: edu.nl/da4u7
#HCI #FutureWork #Amsterdam
As the final sessions wrap up, we’re weaving people, research, tech & purpose here in Amsterdam 🧵
🔗 Explore CHIWORK: edu.nl/da4u7
#HCI #FutureWork #Amsterdam
June 25, 2025 at 2:25 PM
👥🍽️ Conversations in full flow at #CHIWORK25 — great company, inspiring ideas!
As the final sessions wrap up, we’re weaving people, research, tech & purpose here in Amsterdam 🧵
🔗 Explore CHIWORK: edu.nl/da4u7
#HCI #FutureWork #Amsterdam
As the final sessions wrap up, we’re weaving people, research, tech & purpose here in Amsterdam 🧵
🔗 Explore CHIWORK: edu.nl/da4u7
#HCI #FutureWork #Amsterdam
Ronald de Wolf and Stacey Jeffery (CWI/UvA/QuSoft) are organizing a workshop on quantum algorithms this week at STOC in Prague - a top theoretical CS conference. With speakers from MIT (like Alexander Schmidhuber, 📸), Stanford, Nagoya & more.
🔗 edu.nl/3d9kn (workshop)
🔗 edu.nl/6k4qf (STOC 2025)
🔗 edu.nl/3d9kn (workshop)
🔗 edu.nl/6k4qf (STOC 2025)
June 25, 2025 at 12:10 PM
Ronald de Wolf and Stacey Jeffery (CWI/UvA/QuSoft) are organizing a workshop on quantum algorithms this week at STOC in Prague - a top theoretical CS conference. With speakers from MIT (like Alexander Schmidhuber, 📸), Stanford, Nagoya & more.
🔗 edu.nl/3d9kn (workshop)
🔗 edu.nl/6k4qf (STOC 2025)
🔗 edu.nl/3d9kn (workshop)
🔗 edu.nl/6k4qf (STOC 2025)
🤖 Fake news 2.0? Traditional detection tools 🔎fail against AI-generated content. Dutch researchers warn: the game has changed — and so must we. Transparency is key, says CWI researcher Davide Ceolin in IT magazine Computer Weekly.
#technology #it #fakenews #ai #LLM #chatgpt #contentfarming
#technology #it #fakenews #ai #LLM #chatgpt #contentfarming
Traditional fake news detection fails against AI-generated content | Computer Weekly
As generative AI produces increasingly convincing text, Dutch researchers are exploring how linguistic cues, model bias, and transparency tools can help detect fake news.
www.computerweekly.com
June 18, 2025 at 3:58 PM
🤖 Fake news 2.0? Traditional detection tools 🔎fail against AI-generated content. Dutch researchers warn: the game has changed — and so must we. Transparency is key, says CWI researcher Davide Ceolin in IT magazine Computer Weekly.
#technology #it #fakenews #ai #LLM #chatgpt #contentfarming
#technology #it #fakenews #ai #LLM #chatgpt #contentfarming
Bienvenue @ CWI! Today, a French delegation from the Cycle Supérieur du Numérique visited us via the Institut français NL (French Embassy).
Han La Poutré introduced CWI, and Ronald Cramer gave an engaging talk on post-quantum cryptography.
Merci et au revoir!
#CSNum #PQC #cryptography
Han La Poutré introduced CWI, and Ronald Cramer gave an engaging talk on post-quantum cryptography.
Merci et au revoir!
#CSNum #PQC #cryptography
June 17, 2025 at 5:35 PM
Bienvenue @ CWI! Today, a French delegation from the Cycle Supérieur du Numérique visited us via the Institut français NL (French Embassy).
Han La Poutré introduced CWI, and Ronald Cramer gave an engaging talk on post-quantum cryptography.
Merci et au revoir!
#CSNum #PQC #cryptography
Han La Poutré introduced CWI, and Ronald Cramer gave an engaging talk on post-quantum cryptography.
Merci et au revoir!
#CSNum #PQC #cryptography