301 search results for “steen problems” in the Public website
-
involves a broad selection of associates in solving cybersecurity problems
Cyber-attacks, privacy-related problems or failures in functioning: many technologies that are used every day have security issues that are solved when the software is already in use. A new interdisciplinary project, in which Olga Gadyatskaya, Harry Wijshoff, Alex Uta and Kristian Rietveld from the…
-
Leiden University hosts 16th International Conference on Parallel Problem Solving from Nature (PPSN XVI)
The Sixteenth International Conference on Parallel Problem Solving from Nature (PPSN XVI) will be held in Leiden, The Netherlands on September 5-9, 2020. Leiden University and the Leiden Institute of Advanced Computer Science (LIACS) are proud to host the 30th anniversary of PPSN.
-
Symposium Transformations of the Audible / 16-18 May 2019
Sonorous phenomena are always on the verge of becoming something else. As it unfolds, sound constitutes spaces, mediates presence, articulates time. Furthermore, it may prompt emotions, generate awareness, organise patterns of behaviour or trigger a sense of belonging. As sound becomes audible, it is…
-
Information activities
Get to know us through our online and in-person events for prospective students!
-
Introduction webinar cyber security
Study information, Webinar
-
Introduction webinar cyber security
Study information, Webinar
-
Introduction webinar cyber security
Study information, Webinar
-
Introduction webinar cyber security
Study information, Webinar
-
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…
-
Working together on the plastic problem: how to keep citizens engaged?
What motivates citizens to participate in a citizen science project on plastic pollution? And does that motivation change over time? Liselotte Rambonnet tried to answer these and other questions with her research on the Clean Rivers (‘Schone Rivieren’) project. Rambonnet is a PhD student at the Institute…
-
Kohei Suzuki on Infobae about the problem of loneliness in Japan
Kohei Suzuki, Assistant Professor at Institute of Public Administration, was interviewed by Infobae about loneliness in Japan and the role of government and society.
-
anthropology students can contribute to solutions for current public problems
Wondering what anthropology students can contribute in daily practice? Both during their bachelor's and master's studies, anthropology students conduct research at the request of social organisations in Leiden via Leren met de Stad. Last week, they presented their experiences and results on the various…
-
Preventive Intervention Team
Leiden University neuropsychologists have shown that customised intervention pays off. A new fundamental research-based approach in children who are in danger of going off the rails has delivered spectacular results.
-
Special education and autism
-
-
Error bounds for discrete tomography
Promotores: K.J. Batenburg, B. Koren
-
Mental health problems during COVID highly variable by symptom cluster and population group
People already diagnosed with a mental disorder before the COVID-19 pandemic did not show a disproportionate increase in symptoms afterwards. This is one result from the first systematic review of longitudinal studies following their study population from before to during the first eighteen months of…
-
Neurodevelopmental risks in young children with an extra X or Y chromosome
This longitudinal study is focused on neurodevelopmental problems in young children with XXY, XXX and XYY, aged 1 to 6 years.
-
New professor David Holmes engages with age-old counting problems
As of 1 October, David Holmes has been appointed full professor of Pure Mathematics at the Mathematical Institute (MI). His work lies at the intersection of algebra, geometry and number theory.
-
New professor Vedran Dunjko finds real-world problems that a quantum computer can solve
Vedran Dunjko appointed to full professor of quantum computing at Leiden University, the Netherlands.
-
Science, technology and innovation is not addressing world’s most urgent problems
Global science research serves the needs of the Global North, and is driven by the values and interests of a small number of companies, governments and funding bodies, finds a major new international study published today. As such, the authors find, science, technology and innovation research is not…
-
New professor of Theoretical Physics: ‘The problems I study can come from anywhere in society’
The financial sector, supply chains and ecology. Not necessarily topics you might associate with physics, yet it’s exactly what new professor Diego Garlaschelli is dealing with. The common thread? Complex networks.
-
Staff
The Cyber Security lecturers are scholars and lecturers of Leiden University, Delft University of Technology and The Hague University of Applied Sciences.
-
Programming problem patched: Leiden PhD candidate discovers breakthrough in software security
By chance, computer scientist Hans-Dieter Hiep (Leiden Institute of Advanced Computer Science and Centrum Wiskunde & Informatica) discovered a ‘gaping hole’ in a widely used method for evaluating software security. Hiep patched the hole, causing quite a stir in his field. 'It’s not pleasant when a PhD…
-
Roeland Böcker: 'Problems of multilateralism are a never-ending debate'
On 8 December, in honour of Human Rights Week, Roeland Böcker gave a public lecture about his experiences as ambassador to the Council of Europe. Between 2017 and 2021, Roeland Böcker was the representative of the Netherlands in the Council of Europe.
-
Global problems, local actions: Leiden professors help teachers, students and citizens to engage with environmental issues
In 2021, Thijs Bosker and Paul Behrens — both Associate Professors in Environmental Sciences at Leiden University — received funding from the Leiden University Fund and the Gratama Foundation to develop tangible and practical exercises that help people to deal with environmental issues from a local…
-
Deepfake video enforcement is a problem: ‘You can't ban all porn videos.’
Many deepfake porn videos are going around appearing to feature popular Dutch presenters, actors and politicians. These videos are banned, and yet they’re still being circulated. Dirk Visser, Professor of Intellectual Property Law, explains why: ‘There are enough rules telling us that deepfakes aren’t…
-
Miranda Boone on problems with virtual court hearings during coronavirus crisis
The coronavirus crisis had a major impact on the judicial system in the Netherlands: courts closed at the start of the pandemic and instead held virtual hearings. Research now shows that things did not always go smoothly.
-
Aggression in young children often caused by nervous system defects and problems experienced by the mother during pregnancy
Young children exhibit more aggressive behaviour if their nervous system fails to respond adequately to stress situations and if they are exposed to risk factors such as smoking or psychological problems experienced by the mother during the pregnancy. This is the conclusion of PhD candidate Jill Suurland.…
-
Join-in courses 2023-2024
Join-in courses are MA-courses in medieval topics given in set MA-programs of the six participant universities of the Research School. On request, such courses are accessible for MA-students from other (Dutch) universities. Course loads and number of credit points to be obtained are usually between…
-
Blowup in the complex Ginzburg-Landau equation
Promotor: A. Doelman, Co-promotor: V. Rottschäfer
-
Language and self-regulation in XXY
The role of language in self-regulation and social behavior in children with an extra X chromosome
-
Jelle van Buuren discusses the Problem with Conspiracy Theories and a QAnon Ban on VICE
Jelle van Buuren, Assistant Professor at the Institute of Security and Global Affairs, appeared as guest on VICE to discuss the usefulness of recent ban on QAnon.
-
Images of Galois representations
Promotores: S.J. Edixhoven, P.Parent
-
Self-regulation in boys with ODD/CD
Understanding individual differences in self-regulation in boys with ODD/CD on the level of brain, cognition and behavior
-
Chaotic dynamics in N-body systems
Promotor: Prof.dr. S.F. Portegies Zwart, Co-promotor: D.C. Heggie
-
Wives of professors, students and alumni played a crucial role in Leiden’s women’s rights movement
PhD candidate Agnes van Steen researched the history of the Leiden women’s rights movement (1860-1990) and found that the university produced many feminists.
-
Events calendar
LIAS PhD program activities include thematic coursework (the PhD Seminars), generic skills training, library training, research presentations, social events, and so on. They are open to all LIAS PhD candidates.
-
Leiden student city
Leiden is a lively university city that’s brimming with history and boasts a student culture that’s tangible just about everywhere. Read on to discover what Leiden has to offer and get a foretaste of what you can expect.
-
Leiden student city
Leiden is a lively university city that’s brimming with history and boasts a student culture that’s tangible just about everywhere. Read on to discover what Leiden has to offer and get a foretaste of what you can expect.
-
Improving robustness of tomographic reconstruction methods
Promotor: Prof.dr. K.J. Batenburg
-
Filter-based reconstruction methods for tomography
Promotor: K.J. Batenburg
-
Spectral imaging and tomographic reconstruction methods for industrial applications
Radiography is an important technique to inspect objects, with applications in airports and hospitals. X-ray imaging is also essential in industry, for instance in food safety checks for the presence of foreign objects.
-
Launch of the seventh edition of the European Cyber Security Perspectives
On 4 March, KPN published the seventh edition of the European Cyber Security Perspectives. Els De Busser and Tommy van Steen, both Assistant Professors at the Institute of Security and Global Affairs, have contributed an article on interdisciplinarity.
-
Prof. dr. Lenstra in tv show 'De Wereld Draait Door'
In the tv show 'De wereld draait door' of Tuesday 4 February, Prof. Hendrik Lenstra, together with Prof. Barry Koren, gave an explaination of the so-called 'Millenium Problems'.
-
doesn't exist yet, but still we understand increasingly better what problems it can solve
How do we know what a quantum computer is good for when it hasn't been built yet? That's what PhD candidate Casper Gyurik investigated by combining two terms you often hear: quantum computing and machine learning.
-
Smoothly breaking unitarity : studying spontaneous collapse using two entangled, tuneable, coherent amplifiers
The Copenhagen interpretation of quantum mechanics states that a measurement collapses a wavefunction onto an eigenstate of the corresponding measurement operator.
-
Development of visual span in Hebrew and Dutch-speaking prereaders
-
-
of Union Law and the Rule of Law by the Union: Three interrelated problems
The Editorial comment in the June issue of the Common Market Law Review examines three different aspects of the rule of law in relation to the European Union. Despite, or because of, the many challenges facing the Union, these questions are of continuing importance. The Union itself is based on legal…
-
Refugee students work on their future in Leiden
Thanks to the Preparatory Year Leiden, refugee students get the opportunity to start a new study or continue their current one. This joint programme of Leiden University and University of Applied Sciences Leiden enters its third year. In this video, participants talk about their experiences.
-
Teachers' use of progress data in planning and evaluating instruction for students with learning disabilities
-