610 search results for “approximation” in the Public website
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Symmetric Diophantine approximation over function fields
Promotor: Prof.dr. P. Stevenhagen, Co-Promotor: Dr. J.H. Evertse
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On p-adic decomposable form inequalities
Promotor: Prof.dr. P. Stevenhagen, Jan-Hendrik Evertse, Co-promotor: Pascal Autissier
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On continued fraction algorithms
Promotor: Robert Tijdeman, Co-promotor: Cornelis Kraaikamp
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Symmetric Diophantine approximation over function fields
PhD Defence
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Filter-based reconstruction methods for tomography
Promotor: K.J. Batenburg
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Egidius Smeets
Science
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Mathematician Peter Koymans wins KWG PhD prize
Leiden PhD student Peter Koymans has been declared ‘best mathematics PhD student’ by the Royal Dutch Mathematical Society (KWG). He received the prize at the Dutch Mathematical Congress (NMC) on 24 and 25 April. With his talk about his research into the Cohen-Lenstra conjecture, Koymans left eleven…
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Development of highly accurate density functionals for H2 dissociation on transition metals
Metals surfaces form a group of effective catalysts for the reaction of small molecules such as hydrogen (H2).
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Pair configurations to molecular activity coefficients: PAC-MAC
This thesis provides an overview of the development of the Pair Configuration to Molecular Activity Coefficient (PAC-MAC) model.
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Hydrogen dissociation on metal surfaces
Promotor: G. J. Kroes
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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.
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Towards a Grammar of Benchnon
This dissertation for the first time provides a detailed description of Benchnon, a language spoken by approximately 200.000 people in Southwest Ethiopia.
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Ab Initio Molecular Dynamics Calculations versus Quantum-State-Resolved Experiments on CHD3 + Pt(111): New Insights into a Prototypical Gas–Surface
The dissociative chemisorption of methane on metal surfaces is of fundamental and practical interest, being a rate-limiting step in the steam reforming process. The reaction is best modeled with quantum dynamics calculations, but these are currently not guaranteed to produce accurate results because…
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Quantum dynamics of H2 on metal surfaces: researching the role of surface atoms
This research focuses on the (Quantum) Dynamics (QD) of the reactive scattering of H2 from metal surfaces.
- Practical Information
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A cross-linguistic investigation of the onset effect in reading aloud: No need to mope about the MOPE
The global population speaks approximately 7,000 different languages and approximately half of the world’s population is bilingual. The unique orthographic characteristics of different languages can help us to gain insight into the seemingly simple process of transforming written to spoken words (i.e.,…
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Dynamics of the Oort Cloud and Formation of Interstellar Comets Santiago Torres Rodriguez
The solar system was formed approximately 4.56 billion years ago. Despite the numerous theories that have been developed over the years, the formation and evolution of the solar system still remain unclear.
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Poly-(lactic-co-glycolic-acid)-based particulate vaccines: particle uptake by dendritic cells is a key parameter for immune activation
Poly(lactic-co-glycolic acid) (PLGA) particles have been extensively studied as biodegradable delivery system to improve the potency and safety of protein-based vaccines. In this study we analyzed how the size of PLGA particles, and hence their ability to be engulfed by dendritic cells (DC), affects…
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Department of Bachelor's Education
The Department of Bachelor's Education staffs the workgroup education and safeguards the quality of the teaching of the workgroup education in the bachelor's programme in psychology.
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Modeling energy conversion dynamics at interfaces
Chemical reactions go hand-in-hand with an energy exchange with the environment in which they take place. Surfaces offer a variety of energy dissipation channels, constituted by the nuclear and electronic degrees of freedom of the atoms at the interface. Aiming at an improved future harvesting of energy,…
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Geometric approach to evolution problems in metric spaces
Promotor: S.M. Verduyn Lunel, Co-promotor: O.W. van Gaans
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Career prospects
After graduation you are well equipped to start a career in evolutionary research or to take the responsibility for projects in an industrial or institutional research environment.
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Career prospects
Completing your Master’s in Biology gives you an internationally recognised degree which you can follow up with a PhD track. With your acquainted skills, you’re a much requested professional in and outside research.
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Novel receptor concepts
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Life at Leiden University College The Hague
Find your home away from home at LUC! The LUC community consists of 600 students of whom 400 - those in their first and second years - live in the college building. Approximately 45 different nationalities are represented amongst students. By interacting with your peers, learning continues outside…
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Verandering van geloofsvoorstelling: Analyse van legitimaties door Antony Flew, Cees Dekker en Raymond Bradley
Michiel Pronk defended his thesis on 30 March 2016
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Human-lion conflict around Nairobi national park
Large carnivore population is globally declining as a result of the fragmentation of habitat, large prey depletion and retaliatory killing by pastoralists.
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Algorithms for analyzing and mining real-world graphs
Promotor: Prof.dr. J.N. Kok, Co-Promotor: W.A. Kosters
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Designing Ships using Constrained Multi-Objective Efficient Global Optimization
A modern ship design process is subject to a wide variety of constraints such as safety constraints, regulations, and physical constraints.
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Current challenges in statistical DNA evidence evaluation
Promotor: R.D. Gill, F. Taroni
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A Grammar of Mualang: An Ibanic Language of Western Kalimantan, Indonesia
This study presents a full descriptive account of the grammar of Mualang, covering the major features of phonology and morphosyntax as well as issues related to pragmatics.
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Career prospects
Completing your Master’s in Biology gives you an internationally recognised degree which you can follow up with a PhD track. With your acquainted skills, you’re a much requested professional in and outside research.
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On the amount of sieving in factorization methods
Promotoren: R. Tijdeman, A.K. Lenstra, Co-promotor: H.J.J. te Riele
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Part-time English Language and Culture bachelor's programme
The English language and culture study programme also exists in the form of a part-time programme.
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Programme structure
The Algebra, Geometry and Number Theory specialisation offers you the opportunity to spend two full years on training in research to develop a thorough theoretical basis and become an independent scientist.
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About the programme
The specialisation consists of 120 European Credit Transfer System (EC) points and includes mandatory courses and electives (60 EC) and two research projects (60 EC).
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Career prospects
After graduation you have a lot of opportunities: academics are highly sought after in Dutch secondary education or mbo teaching. You can also aim for a management position or work as a researcher within the field of Biology.
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Career prospects
Many students receive their first job offer during or right after their Business Studies internship. After graduating you can also aim for a career in Biology research.
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Career prospects
With an MSc in Biology you are well prepared for future jobs in research or industry. After your graduation you can pursue a PhD career or a career as a researcher, focusing on groundbreaking research on sustainability, at universities and research institutes.
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Human skin equivalents: understanding the lipid biosynthesis in the skin
There is considerable need for improved skin models to develop safe and efficient drugs for skin delivery as well as for cosmetic and chemical product testing on the skin.
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About the programme
The specialisation consists of 120 European Credit Transfer System (EC) points and includes mandatory courses and electives (60 EC) and two research projects (60 EC).
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The deep-rooted microtonality of the bass clarinet
A new microtonal approach of the bass clarinet, to further develope the instrument’s capability to produce not only exact quartertones, but also smaller units.
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Career prospects
This master specialisation is ideally suited as a basis for starting a research career at a university or research institute and for a position in a bioscience-based company.
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What’s CLIL about bilingual education? A window on Content and Language Integrated Learning pedagogies
In the Netherlands approximately 130 out of 700 secondary schools offer a bilingual stream. However, research about CLIL (Content and Language Integrated Learning) is limited. With her dissertation Evelyn van Kampen (PhD student at ICLON) wants to contribute to the understanding of the nature and range…
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Phase behavior of skin lipid mixtures: the effect of cholesterol on lipid organization
The lipid matrix in the stratum corneum (SC), the upper layer of the skin, plays a critical role in the skin barrier. The matrix consists of ceramides (CERs), cholesterol (CHOL) and free fatty acids (FFAs).
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Periodic pulse solutions to slowly nonlinear reaction-diffusion systems
Promotor: A. Doelman, Co-promotor: J.D.M. Rademacher
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Private International Law
The Private International Law Department provides academic education and performs research in the field of private international law.
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A Grammar of Logba (Ikpana)
This book presents a comprehensive description of the grammar of Logba, one of the fourteen Ghana-Togo Mountain (GTM) languages spoken by approximately 7,500 speakers on the South-Eastern frontier of the Ghana-Togo border. It is the outcome of fifteen months research in Logba speaking communities.
- Going back home
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Molecular mechanisms of adverse outcome and translational biomarkers
Adverse drug reactions (ADRs) remain one of the major reasons for patient mortality and (early) drug withdrawal. Currently, different in vivo and in vitro models are used to assess the toxic potential of drugs in the pre-clinical phase. Unfortunately, the predictive value of this model does not fit…