258 search results for “step problems” in the Public website
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Bullying in India; the teachers’ role
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Wearing clogs may have caused foot problems
Research by bioarchaeologists from Leiden and Canada has shown that 19th-century Dutch farmers regularly had bone defects. These may have been caused by wearing clogs. Publication in the International Journal of Paleopathology.
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Important Step for Dark Matter Experiment CERN
Particle lab CERN gives the green light for the test phase of an experiment that aims to produce dark matter particles. Physicist Alexey Boyarsky is one of the initiators.
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School dropout among immigrant students: Types of dropout and predictors
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Dean and vice-chair of LUMC Board steps down
Prof. dr. Pancras Hogendoorn is stepping down as dean of the Faculty of Medicine and vice-chair of the Executive Board of Leiden University Medical Centre (LUMC). He is also resigning from all associated secondary posts. Hogendoorn has taken his decision in anticipation of the findings of an inquiry…
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New student accommodation in Oegstgeest a step closer
The construction of 285 student studios on land owned by Leiden University is a step closer. On Thursday, student housing organisation DUWO and the Real Estate department of the University signed the leasehold agreement for the parcel of land in the Oegstgeest part of the Leiden Bio Science Park.
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Selection architect first step new beta-campus
Leiden University has selected an architect for the realisation of its new beta-campus. As a team, Designers bureau Inbo in Rotterdam and JHK Architects have won the tender for phase 1, the new housing estate for the Faculty of Science.
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One step closer to preventing mass death of roosters
The Dutch biotech start-up In Ovo is the first company to develop a large-scale solution for determining the sex of a chick while it is still in the egg. This fast and cheap technique can be applied mechanically at hatcheries, which was not possible before.
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New insight brings sustainable hydrogen one step closer
Leiden chemists Marc Koper and Ian McCrum have discovered that the degree to which a metal binds to the oxygen atom of water is decisive for how well the chemical conversion of water to molecular hydrogen takes place. This insight helps to develop better catalysts for the production of sustainable hydrogen,…
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Will soap and sunlight solve the energy problem?
A consortium of international researchers comes with a unique solution to the energy problem. By mimicking photosynthesis, they aim to produce sustainable fuels out of sunlight, water, and CO2. Their secret? ‘Soap bubbles’, says Leiden chemist Sylvestre Bonnet, who is part of the consortium.
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Bayesian Inference for Gaussian Models
This dissertation studies the Asymptotics of Bayesian nonparametric inference for Gaussian linear models.
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Does the new EU migration pact solve the fundamental problems?
Following years of negotiations between Member States and the European Parliament, there’s finally been a breakthrough for migration policy. What does it mean for the Netherlands, exactly? Mark Klaassen, Assistant Professor in Immigration Law, discusses this on various media channels.
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Enabling volume-restricted metabolomics using next-generation microscale analytical tools
Development of micro-scale analytical tools to be used to address relevant biomedical questions in the field of neuroscience, and other application areas intrinsically dealing with small sample amounts.
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Executive deficits in relation to early reading and math development
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Hendriks: Spanish euthanasia law important, but with teething problems
Earlier this year, Spain passed a law that legalises euthanasia and assisted suicide. Spain is now the fourth country in Europe with such a law. Its introduction, however, is not plain sailing.
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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.
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Diversity symposium 2021: small steps can increase inclusion
‘Culture change takes time,’ said Vice-Rector Hester Bijl at the closing panel of the University’s Diversity Symposium on 26 January. She talked about the road to a diverse and inclusive university. The symposium provided plenty of concrete examples of small steps that can already be taken.
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Europe needs to step up as Trump’s chances rise
Following Trump’s resounding victory over his Republican arch-rival in Iowa, it's clear that standing by passively and giving Biden the benefit of the doubt is not an option. Luuk van Middelaar, Professor of Foundations and Practice of the European Union and its Institutions, warns in his column in…
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One step closer to pain-free vaccinations
Microneedles are a promising tool for the painless administration of vaccines through the skin. But, are these minuscule needles really effective? PhD student Pim Schipper of the Leiden Academic Centre for Drug Research investigated various factors of vaccination via the skin and discovered, among other…
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Find out more about effective governance for global problems at this conference
The annual conference of the Global Transformations and Governance Challenges (GTGC) interdisciplinary research programme will take place in The Hague on 7-9 June. Why should you be there? ‘The problems in the world affect us all. This conference will be looking at planetary governance’, says programme…
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First step in converting solar energy using ‘artificial leaf’
Two things are needed to produce fuel from sunlight: an antenna that harvests light, and a light-driven catalyst. The most efficient antennae contain bacteria. An international team headed by Huub de Groot imitated them and discovered how they function.
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‘Don’t assume that someone else will step in’
Her book ‘Veel valse hoop’ (Much False Hope) about the persecution of the Jews in the Netherlands was immediately hailed as a seminal work. German historian Katja Happe gave the Cleveringa Lecture on 26 November. She is fascinated by what makes people take a stand.
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‘A logical step from medieval literature to fact-checking’
Alumnus Peter Burger – along with his colleague Alexander Pleijter – is the face of fact-checking in the Netherlands. ‘My degree led straight to this.’
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Blog Post | An asset or a hassle? The public as a problem for public diplomats
It is undeniable that the public is central to the practice and study of public diplomacy. Indeed, this field is known as *public* diplomacy.
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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.
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The immune system: step it up or slow it down?
When foreign matter enters our body, our immune system has to make a choice whether or not to go on the attack. There are times when the system goes wrong, and we end up with an illness or an allergic reaction. Researchers at LUMC are trying to steer the immune system. The dossier on Immunity, Infection…
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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.
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Major steps towards realising a bold vision for European Excellence in AI
The Confederation of Laboratories of Artificial Intelligence Research in Europe (CLAIRE), Europe’s grassroots organisation of scientists and experts in Artificial Intelligence, announces the opening of administrative offices across Europe.
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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…
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Special education and autism
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Error bounds for discrete tomography
Promotores: K.J. Batenburg, B. Koren
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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.
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Interview: Eric Eliel steps down as Scientific Director of Physics
After seven years, Eric Eliel resigns as scientific director of the Leiden Institute of Physics (LION). On April 18th, LION hosts a farewell party and a week later Eliel will officially hand over his tasks to Jan Aarts. We spoke with him about his term as director, in which among others a new science…
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Structure dependence of molecular reactions on surfaces
The research presented in this thesis makes use of small molecules (as H2 , D2 and O2 ) on well-defined single crystal surfaces (flat Pt(111), flat Cu(211) and curved Pt(111)) to elucidate the role of surface structure and degrees of freedom in the reactant in specific surface reactions.
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Surface-structure dependence of water-related adsorbates on platinum
Promotor: M.T.M. Koper, Co-promotor: J.B.F. Juurlink
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Filter-based reconstruction methods for tomography
Promotor: K.J. Batenburg
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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…
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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.…
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Blowup in the complex Ginzburg-Landau equation
Promotor: A. Doelman, Co-promotor: V. Rottschäfer
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Language and self-regulation in XXY
The role of language in self-regulation and social behavior in children with an extra X chromosome
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LLX roundtable titled “Next Generation EU 2.0 – first steps towards a fiscally more integrated Eurozone?”
On Thursday 21 October 2021, the Europa Institute held a hybrid roundtable on the legal feasibility of financing future EU policies – such as EU Green Deal measures – through debts and of thereby extending the novel funding mechanism introduced by Next Generation EU (NGEU). This roundtable was organised…
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Hester Bijl: ‘On-campus teaching is a big step forward, so take care’
‘We’re going to see each other again on campus. We’re so pleased, but we do have to say safe.’ Rector Magnificus Hester Bijl is looking ahead to the new academic year, which begins on 6 September. No more 1.5m distancing, but we do have to take responsibility for other people’s safety.
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Images of Galois representations
Promotores: S.J. Edixhoven, P.Parent
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Hugo Weiland steps back as president of the Foundation for Austrian Studies
On Friday 8 June 2018, Hugo Weiland’s long-standing service was celebrated with a festive lunch organized by board members Ida van Veldhuizen en Hans van Eenennaam.
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A new step in the search for the origin of dark matter
A signal that is present both in the centre of our Milky Way and in distant places in the universe could reveal the origin of dark matter. This is what Leiden physicist Alexey Boyarsky concludes in an article in Physical Review Letters.
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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
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Chaotic dynamics in N-body systems
Promotor: Prof.dr. S.F. Portegies Zwart, Co-promotor: D.C. Heggie
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Improving robustness of tomographic reconstruction methods
Promotor: Prof.dr. K.J. Batenburg
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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.
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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'.