1,540 search results for “fundamental wetenschap” in the Public website
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Career prospects & Testimonials
The programme is aimed at professionals with a relevant master’s degree from a university (of applied sciences) and several years of professional experience who wish to broaden or deepen their knowledge of cyber security
- Data Science & Artificial Intelligence
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Probing molecular layers with low-energy electrons
Molecular materials have been a subject of interest in fundamental research and applications for decades, and have been studied as bulk crystals, (thin) films and as individual molecules, due to the large variety in their properties. This dissertation explores pentacene crystals near the two-dimensional…
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Computational speedups and learning separations in quantum machine learning
This thesis investigates the contribution of quantum computers to machine learning, a field called Quantum Machine Learning. Quantum Machine Learning promises innovative perspectives and methods for solving complex problems in machine learning, leveraging the unique capabilities of quantum computers…
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Research
The University wants its teaching and research to have the maximum academic, cultural, social and economic impact.
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Programme structure
The specialisation enables you to understand the fundamentals of management and entrepreneurship alongside high quality mathematical research.
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Twentieth anniversary of the Lorentz Center: developing ideas in a scientific bubble
The 20th anniversary of the Lorentz Center will be celebrated on 28 June 2017 with the opening of an exhibition in the Oude UB. For two decades already, the Center has been a place of retreat for groups of international academics who want to explore a single issue.
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Media attention inaugural lecture ecotoxicologist Martina Vijver
Time and again synthesised substances have been shown to pollute the environment more than lab tests predicted. In her inaugural lecture on 16 November, professor of Ecotoxicology Martina Vijver gives a warning for the risks of new, man-made chemical substances and nanomaterials. Various media payed…
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Public Event International Day of Women & Girls in Science
This event is in Dutch. De Verenigde Naties hebben 11 februari uitgeroepen tot International Day of Women & Girls in Science. De Universiteit Leiden viert deze dag met een open publieksevenement met vrouwelijke topwetenschappers van haar bètafaculteit. Iedereen is welkom vanaf 13:30 uur in het Kamerlingh…
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Wim Voermans in Buitenhof on postal votes
In a lawsuit concerning the upcoming Dutch elections, the Partij voor de Dieren (Party for the Animals) is claiming that everyone should be able to cast a postal vote. Is it a form of discrimination that everyone above the age of 70 is allowed to cast their vote by post, but people who are younger and…
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Surface Plasmons Measured for Faster Internet
Leiden physicists use a new method to measure so-called surface plasmons. Researching these particles could lead to new light-based technology, including faster internet.
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Classes on offer
Below you will find an overview of all PRE-Classes provided by the various programmes of Leiden University. For each section, you can find a description of the content and more specific information about the requirements for participation in the Class.
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Hall of Fame 2023
In 2023, many of our students and staff won great prizes and secured important research grants.
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Europe
For most of the past ten years, Europe has been in a state of ‘crisis’. The bank crisis mutated seamlessly via the Euro crisis to the present migrant crisis. Whereas previously the general assumption was that even closer cooperation within the European Union was a foregone conclusion, the EU is now…
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The World of the Fullo. Work, Economy, and Society in Roman Italy
The World of the Fullo takes a detailed look at the fullers, craftsmen who dealt with high-quality garments, of Roman Italy. Analyzing the social and economic worlds in which the fullers lived and worked, it tells the story of their economic circumstances, the way they organized their workshops, the…
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Novel Hollow Microneedle Technology for Depth-Controlled Microinjection-Mediated Dermal Vaccination: A Study with Polio Vaccine in Rats
PURPOSE: The aim of the study was to develop a cheap and fast method to produce hollow microneedles and an applicator for injecting vaccines into the skin at a pre-defined depth and test the applicability of the system for dermal polio vaccination.
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Optimally weighted ensembles of surrogate models for sequential parameter optimization
It is a common technique in global optimization with expensive black-box functions to learn a surrogate-model of the response function from past evaluations and use it to decide on the location of future evaluations.
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Beyond the Myth of Westphalia: States, International Law, and the Monopolization of the Right to Wage War
States, we are told, have monopolized the legal right to wage war since the seventeenth century and this arrangement has provided some basic stability in international relations. But is this really true? This project challenges this classic account and opens the way for rethinking the contemporary laws…
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Molecular electronics: Controlled manipulation, noise and graphene architecture
Atoms and molecules are the basic units of matter. If we keep dividing a bar of gold or a glass of water into smaller parts, at the end we are left with a single gold atom or a water molecule.
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Mycobacterial cell wall-deficiency and its role in the persistence of tuberculosis
What is the role of cell wall-deficiency in the persistence of tuberculosis?
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Accountable Artificial Intelligence: Holding Algorithms to Account
Artificial intelligence algorithms govern in subtle, yet fundamental ways, the way we live and are transforming our societies. The promise of efficient, low‐cost or ‘neutral’ solutions harnessing the potential of big data has led public bodies to adopt algorithmic systems in the provision of public…
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Environmental Biology
This research programme aims to increase the scientific understanding of how current and emerging anthropogenic threats affect biodiversity and ecosystem services to facilitate strategic management of natural resources. To this end, we address urgent challenges in relation to the mechanisms involved…
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Research
The main focus of our research programme is on adolescence, a key transitional period in human development. The programme puts emphasis on combined experimental behavioural and neural analysis of normative transitions and deviations in adolescent development.
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Inflammafish: Cross-talk between inflammation and autophagy in tuberculosis
Effective host defence against tuberculosis bacteria depends on a properly balanced level of inflammation. The Inflammafish project uses zebrafish larvae to study how autophagy controls this inflammation and vice versa.
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Deepening the uncertainty dimension of environmental Life Cycle Assessment: addressing choice, future and interpretation uncertainties.
LCA has become an important method to study environmental impacts of human activities. Still, there are several methodological issues in LCA that can adversely affect the results reliability.
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Following the Plantation: Law and Human Rights in Indonesia 1870-2020
On Thursday 20 May 2021, Tania Li delivered the annual Van Vollenhoven Lecture.
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Social and Behavioural Sciences
The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding teaching in the disciplines of cultural anthropology, education and child studies, political science, psychology, science and technology studies, as well as in multidisciplinary approaches.
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Diversity in parenting and education
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Alessandra Silvestri Group - The Late Universe
We are cosmologists, in other words we use physics to study the Universe, how it started and evolved into the structure that we observe around us.
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Pushing the envelope of nuclear magnetic resonance spectroscopy for paramagnetic systems
A network combining 9 academic research groups and 4 collaborating industrial companies will train the next generation of PhD students and post-doctoral researchers, in developing and applying novel experimental and theoretical methods in the NMR spectroscopy of systems containing paramagnetic metals.…
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Play and Media
Play and Media is one of the six research themes of the LUCAS Modern and Contemporary cluster.
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Forgotten Lineages. Afterlives of Dutch Slavery in the Indian Ocean World
Forgotten Lineages explores the paths through which generations of formally enslaved and their descendants gradually forgot their past of enslavement under Dutch and British imperial rule and became local subjects in Sri Lanka and South Africa. It explores why and how forgetting rather than memory became…
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Connecting conditionals: a corpus-based approach to conditional constructions in Dutch
On the 26th of January, Alex Reuneker successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Alex on this achievement!
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Topic: Spatial thinking
Our everyday life consists of all sorts of spatial processes: we find our way to work, remember where we left our keys, and are able to pick up our cup of coffee. We study how the human brain processes such spatial processes. From a clinical perspective, we are interested in how acquired brain damage…
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Archaeology and Indigenous Sovereignty in Darién, Panama
The Darién region of Panama is the only land bridge connecting North, Central and South America. Nowadays home to descendants of African enslaved peoples, Indigenous peoples (Emberá, Wounaan, and Guna), and mestizos, Darién has been and still is fundamental to connectivity, cultural interchange, and…
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Ab initio molecular dynamics calculations on reactions of molecules with metal surfaces
Promotor: Prof.dr. G.J. Kroes
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Algorithms for finite rings
Promotores: H.W. Lenstra, K. Belabas (University of Bordeaux)
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Necropolis journal: The Administration of an Egyptian Artisans’ Community
What was the practice of keeping the Necropolis Journal?
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Understanding functional dynamics and conformational stability of beta-glycosidases
Due to their central physiological roles in living organisms, retaining beta-glycosidases have been the subject of tremendous research efforts to examine their structure/function relation using numerous biophysical and biochemical approaches.
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Development & Disease
Development & Disease is one of the four research themes of the Institute of Biology Leiden.
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Philippine Confluence: Iberian, Chinese and Islamic Currents, C. 1500-1800
Situated at the crossroads of the Indian and Pacific Oceans, the Spanish Philippines offer historians an intriguing middle ground of connected histories that raises fundamental new questions about conventional ethnic, regional and religious identities.
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When galaxy clusters collide: the impact of merger shocks on cluster gas and galaxy evolution
Promotor: Prof.dr. H.J.A. Rottgering, Co-promotor: David Sobral
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Developmental and Educational Psychology Lab
What is the relation between brain development and social and cognitive development across childhood, adolescence and adulthood?
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Accelerating the Photocatalytic Water Splitting in Catalyst−Dye Complexes
As a virtually inexhaustible source, solar energy plays a major role in future global energy scenarios.
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Semi-empirical approach to the simulation of molecule-surface reaction dynamics
Catalysis is of extreme relevance in the production of everyday materials and plays a central role in many aspects of our life.
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Academic Integrity
The integrity and reliability of academic research are of fundamental importance to the University. All parties, both within the University and outside, must be able to have confidence that our research is conducted in a scrupulous, fair, verifiable, impartial and independent manner. To make sure you…
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Unraveling temporal processes using probabilistic graphical models
Real-life processes are characterized by dynamics involving time. Examples are walking, sleeping, disease progress in medical treatment, and events in a workflow.
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Dynastic Identity in Early Modern Europe - Rulers, Aristocrats and the Formation of Identities
Aristocratic dynasties have long been regarded as fundamental to the development of early modern society and government. Yet recent work by political historians has increasingly questioned the dominant role of ruling families in state formation, underlining instead the continued importance and independence…
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Brain and Development
What is the relation between brain development and social and cognitive development across childhood, adolescence and adulthood?
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Cheminformatics: Analyzing small-molecule activity data
While bioinformatics methods deal with the analysis of sequence information (be it proteins or DNA), the field of cheminformatics is concerned with the analysis of small-molecule datasets.