889 search results for “theory” in the Staff website
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Rutger Leukfeldt appointed Chair in Governing Cybercrime shared by two faculties: 'You have to do this together'
Rutger Leukfeldt has been appointed endowed Professor of Governing Cybercrime at the faculties of Governance and Global Affairs (FGGA) and Leiden Law School. Leukfeldt: 'It’s great that the two faculties are joining forces at a time when we’re faced with enormous challenges in the field of cybercrim…
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Honouring a mathematical legacy: Edixhoven fellow tries to understand millennia-old problems
Not all problems are easy to solve, but with enough bright minds, you make progress step by step. ‘The kind of problems I am interested in have been occupying mathematicians for over two millennia,’ says theoretical mathematician David Lilienfeldt. In September, he started at the Mathematical Institute…
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Stories from women in physics: ‘I want to understand how the world works’
For the International Day of Women and Girls in Science, women students and researchers from physics talk about what inspires them about their work. From quantum to cosmology and biophysics, their curiosity about how nature works is what connects these women. What do these 5 scientists want to share…
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Flash interview with alumnus Alejandro Zendejas
International alumnus Alejandro tells us in a flash about why it is so important to physically be in Leiden for your studies, about how important his Advanced Master was to his employers and how AI and tech affects his line of work.
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Jasper's Day
Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.
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At the forefront of AI innovation: in conversation with Julian van der Kraats
AI-related activities and programmes are springing up throughout the university. In research, for example, at SAILS, and for staff in workshops and co-creation labs. As an AI champion at the ISSC, Julian van der Kraats is involved in various AI developments.
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‘Humans are storytellers’: the power of stories in language development of children and AI models
What do ten-year-old children and chatbots have in common? PhD researcher Bram van Dijk studied language development in both children and AI language models. ‘It’s actually quite practical that we attribute human traits to a chatbot.’
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From innovative idea to start-up: during new workshops psychology students learn about doing business
In the ‘Educatips’ column, psychology lecturers share their valuable insights about lecturing. This month: Franz Wurm is developing entrepreneurship workshops together with PLNT for master’s students of Clinical Psychology. ‘We want to teach students to develop from passive consumers to become active…
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'Punishment of international cartels by competition authorities needs to be better coordinated'
When an international cartel is exposed, the parties involved often face punishment by more than one authority for the same behaviour. There is very little international coordination in the actions of these authorities. Pieter Huizing claims that this can, and must, change. PhD defence on 10 March 2…
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‘Make science communication more work and less hobby’
Young researchers met this month for the fifth Science Communication Summer School. ‘This is the first time some participants get to meet other researchers who also enjoy science communication. It’s great to see’, says Julia Cramer, one of the coordinators.
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‘The questions and ideas from students also make me a better researcher’
‘Yamila Miguel brings along immense enthusiasm that sparks over to the students in the lectures,’ her students say about her. ‘She inspires us as scientists-to-be.’ The astronomer teaches master’s students with great passion and interactivity about exoplanets. She has been nominated for the faculty…
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Call for statements of interest: MARS staff exchange programme "Non-Western Migration Regimes in a Global Perspective"
Are you working at Leiden University and researching migration regimes outside of the Global North? Are you interested in doing fieldwork or a research visit at one of our partner universities? Then you might want to join the Leiden team of the EU funded Marie Curie Staff Exchange Network on non western…
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Leiden research projects awarded NWO Open Competition grants
Six researchers from Leiden University have been awarded NWO Open Competition funding.
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Flipping the classroom: ‘This course lays a foundation that students can build on for the rest of their studies’
The challenge: take three hundred students from vastly varying disciplines and teach them the basics of academic thinking in twelve lessons. Impossible? Professor Ben Arps and his team of tutors succeeded. It resulted in a large amount of positive student evaluations.
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‘Scientists should be careful when interpreting results of AI models’
Anthropologist Rodrigo Ochigame studies how AI is changing the practice of scientific research. From astrophysics to mathematics to climate science, they find that the adoption of new AI models is raising questions about what counts as reliable scientific evidence.
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Gaia sees strange stars in most detailed Milky Way survey to date
Today, ESA’s Gaia mission releases its new treasure trove of data about our home galaxy. Astronomers, led by the Leiden astronomer Anthony Brown, describe strange ‘starquakes’, stellar DNA, asymmetric motions and other fascinating insights in this most detailed Milky Way survey to date.
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'This course is a simulation of your professional work as an astronomer'
What if I completely changed everything? A subject without lectures or exams, where the right answer is not important and where students work with their hands. With this idea, Michiel Brentjens reformed the course Radioastronomy. His students are so enthusiastic about this approach that they nominated…
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Smart data for sustainable agriculture: less hassle, more green
In supermarkets, consumers are drowning in a sea of sustainability labels. Confusing for them, but also farmers can't see the forest for the trees. Obtaining these labels demands an enormous amount of time and effort. Berent Baris is investigating ways to simplify this process, benefiting both farmers…
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Seven Leiden professors elected new members of KNAW
Seven Leiden professors have been elected as members of the Royal Netherlands Academy of Arts and Sciences (KNAW). In total 23 new members will be inaugurated on Monday 13 September.
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Leiden Classics: The Leiden Observatory, the world’s oldest university observatory
Whether finding signals of dark matter or discovering hydrogen in the vicinity of exoplanets, Leiden astronomers are world players in their field, and they are part of a long tradition: Leiden was the first university in the world to have its own observatory.
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Becoming a terrorist provides income, safety and identity
How do people become involved in terrorist organisations? Liesbeth van der Heide sought the answer to this question in a Malian prison, where she interviewed terrorists in a tiny cell. She discovered that the will to survive and social context are often more decisive than individual ideological convictions.…
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Digital Winter School: Time to brush up on those digital skills!
The 2023 Digital Humanities Pilot Project Symposium and Digital Winter School took place, 30 Jan – 2 Feb 2023.
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Introducing: Walter Gam Nkwi
Walter Gam Nkwi is lecturer at the Institute for History, University of Leiden since 1 September 2019. He also lectures at the Den Haag campus. Walter introduces himself below.
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Ieke de Vries: 'We're expecting too much from minors and young adults if we think they can protect themselves from sexual exploitation.’
What starts off gently may end dramatically. Many young people these days fall victim to sexual exploitation. How can we prevent this suffering? Ieke de Vries points to the living environment of (potential) victims.
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Cracking the code: why platinum electrodes corrode
An atomic vandal has finally been caught! Scientists from Leiden University and the Department of Energy’s SLAC National Laboratory have uncovered the mysterious cause behind the rapid corrosion of platinum electrodes. This breakthrough paves the way for more affordable green hydrogen production and…
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Wars in Ukraine and Gaza could soon affect our approach to the North Pole
The Houthis are attacking ships in the Red Sea. Rerouting via South Africa is expensive, whereas the Arctic route only takes a week. Once a no-go zone, this route might be a more realistic option. Mind the nuclear submarines, though…
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Grants awarded for five innovative psychology research projects
Researchers from the Institute of Psychology have secured NWO Open Competition XS grants, each worth up to €50,000. One of the projects explores how making music together can enhance cooperation. Discover more about all five research projects.
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After the launch of the next big space mission: ‘This is a big step towards understanding dark matter and dark energy.’
Henk Hoekstra and Alessandra Silvestri work on the astronomy and theoretical physics in the Euclid mission. These Dutch researchers are part of the mission.
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Special training and testing reveal children's potential for learning
Traditional school tests, like the Dutch CITO, largely reflect students' existing knowledge and abilities. However, dynamic testing sheds light on students' learning potential, discovered Mirjam de Vreeze in her PhD research. This approach is especially promising for children with learning challenges,…
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Vidi grants for 12 researchers from Leiden University
An impressive 12 researchers from Leiden University have been awarded an 800,000-euro grant by the Dutch Research Council (NWO). This will enable them to develop their own line of research over the next five years.
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How do you give a memorable presentation? Martijn Wackers has the answer
What do people like Martin Luther King Jr. and Barack Obama have in common? They have mastered the art of public speaking. There are plenty of books on learning this skill, but one aspect of rhetoric remains underexposed in science: how do you make sure the audience remembers your message? Martijn Wackers…
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Progress in equality and law for women: the glass is half full
Following 40 years of research into the legal equality principle, Emeritus Professor Titia Loenen gave her valedictory lecture in which she took stock of the progress that has been achieved. She focused on equal rights for women and is cautiously optimistic, despite the current rise in conservatism…
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Ethical guidelines to better regulate DNA research on human remains
Rapid developments in DNA techniques allow researchers to find out more and more about human genetics. An international group of scientists has drawn up five ethical guidelines to ensure that this DNA research is better regulated. Leiden archaeologist Marie Soressi – one of the signatories - explains…
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Astronomers Discover Ancient Solitary Quasars with Mysterious Origins
An international team of astronomers, including Leiden PhD student Elia Pizzati, has observed several ancient quasars that, surprisingly, appear to be floating alone in the early universe (less than a billion years after the Big Bang). Until now, astronomers, based on models, assumed that quasars are…
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‘Drawing for Dummies’, but in the Renaissance
The way the great masters of the sixteenth and seventeenth centuries learned to draw is more similar to a present-day drawing class or book than you might think. Professor of ‘Art on Paper and Parchment’ Yvonne Bleyerveld tells us about the art of copying and model books.
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Smart programming for the quantum computer that does not exist yet
Designing innovative algorithms, thinking outside the box, and brainstorming over coffee with his colleagues — this is what physicist Stefano Polla enjoys most. His success shines through in his nomination for the C.J. Kok Jury Award 2024 for PhD thesis of the Year.
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Leiden quantum technology research very successful in funding call
No less than six Leiden projects received a grant for quantum research from the national growth programme Quantum Delta NL and the NWO. After all, in order to boost quantum technology not only industry is needed, but also science. Research towards new sensors, faster algorithms and quantum materials,…
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50 jaar MRI: Hoe het LUMC dit betaalbaar maakt
50 years ago Lauterbur published the basic principle of MRI. Sine then MRI has become more expensive. Professor Andrew Webb describes what is needed to make MRI available for everybody.
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LIFF director Ratna Lachmansingh: ‘Writing my thesis was so much fun!’
As a student, Ratna Lachmansingh wrote her thesis on horror films. Now she is the director of Leiden International Film Festival.
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Research
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Solving the Pachakutik party puzzle
The Ecuadorian Pachakutik party is one of the oldest indigenous political movements in Latin America. Despite not being very successful at the polls and hardly having organisational resources at its disposal, Pachakutik is still part of Ecuador’s political landscape. In her dissertation, Political Scientist…
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New Special Chair Bas Rietjens with focus on intelligence in conflict situations
Prof. dr. ir. Bas Rietjens of the Dutch Defense Academy (NLDA) has been appointed Professor by special appointment Intelligence in War and Conflict at Leiden University’s Institute for Security and Global Affairs (ISGA). The appointment of Rietjens is the result of a more intensive collaboration between…
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Encouraging secondary school students to think and talk about sustainability and policy
Anne Veens is on a mission. She wants secondary school students to get acquainted with anthropology, and think about the value it can have in the development and implementation of policy. To achieve this, she has developed a teaching package. Last July, she successfully ran the first pilot. 'Most pupils…
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Supermassive black holes: how do you study something that is invisible?
How are supermassive black holes born? That is the question astronomer Elena Maria Rossi is trying to answer. But how do you investigate something you cannot see?
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How do you protect the world against cybercrime? Become the professional of the future
Examining cybercrime from criminological, legal, administrative, and technical perspectives. The new Bachelor's programme in Cybersecurity & Cybercrime addresses the growing demand for versatile cyber professionals..
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Experience and Voice: Library of Colombian Women Writers - Symposium & Workshop
From Soledad Acosta de Samper and Albalucía Angel to Hazel Robinson Abrahams and Amalialú Posso Figueroa. During the Symposium & Workshop Experience and Voice: Library of Colombian Women Writers, we focus on books written by Colombian women writers from different historical periods. The symposium and…
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A princess’s psalter recovered? Pieces of a 1,000-year-old manuscript in Alkmaar book bindings
A special find has been made in the Alkmaar Regional Archive: a number of 17th-century book bindings contained pieces of parchment from a manuscript from the 11th century. The original manuscript may have belonged to a princess who fled England after the Norman Conquest.
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From judge to police officer: a lack of understanding for deaf people in legal proceedings
The cultural linguistic minority group of deaf people who communicate using sign language systematically experiences limited access to fundamental rights. Linguist Joni Oyserman identified this problem and has received a Meijers grant to fund her investigation.
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Probability words: everybody interprets them differently
What exactly does it mean when your doctor says you have a ‘good chance’ of survival? Leiden researchers discovered that there is a big difference in how people interpret such probability phrases. And that can be a problem, warns lead researcher Sanne Willems in her blog post.
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Smarter hypothesis testing with statistics: how e-values can improve scientific research
During his PhD research, mathematician Tyron Lardy worked on a new approach to hypothesis testing. Instead of the traditional p-value, he uses so-called e-values. These turn out to be more flexible – especially when you want to look at your results midway through the study.