529 zoekresultaten voor “steen problems” in de Publieke website
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Bart van der Steen
Universitaire Bibliotheken Leiden
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Joesjka van der Steen
Universitair Facilitair Bedrijf
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Jasper van der Steen
Faculteit der Geesteswetenschappen
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Jeltje van der Steen
Administratief Shared Service Centre
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Babet van Steen
Faculteit der Sociale Wetenschappen
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Dick van der Steen
ICT Shared Service Centre
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Tommy van Steen
Faculteit Governance and Global Affairs
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Meta-heuristics for vehicle routing and inventory routing problems
Promotores: T.H.W. Bäck, Y. Tan, Co-promotor: M.T.M. Emmerich
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Counting problems for number rings
Promotor: H.W. Lenstra
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Inverse problems for universal deformation rings of group representations
Promotor: Prof.dr. P. Stevenhagen
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Sparsity-Based Algorithms for Inverse Problems
Inverse problems are problems where we want to estimate the values of certain parameters of a system given observations of the system. Such problems occur in several areas of science and engineering. Inverse problems are often ill-posed, which means that the observations of the system do not uniquely…
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Understanding the complexity of intelligence problems
The complexity of an intelligence problem determines to a great extent the certainty that can be provided by intelligence and security services.
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Learning Problems and Impairments (international track) (MSc)
Deze masterspecialisatie leert je veelvoorkomende leerproblemen herkennen en behandelen.
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Solving multiplication and division problems
Latent variable modeling of students' solution strategies and performance
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The CM class number one problem for curves
Promotores: P. Stevenhagen, A. Enge Co-Promotor: T.C. Streng
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Opportunity and Problem in Context (OPiC). A framework for environmental management in developing countries
Promotor: W.T. de Groot
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Executive deficits, behavioural problems and early reading development
This study tests whether behavioural problems at a young age are related to early reading and mathematics development.
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Tailored care for children at high risk for problem behaviour
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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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New polymyxin antibiotics for old problems: addressing nephrotoxicity and resistance
Polymyxins are clinically used antibiotics, discovered in mid-20th century. Once abandoned due to excessive nephrotoxicity, they are now used increasingly to address infections caused by multi-drug resistant Gram-negative bacteria.In this thesis, we describe the development and synthesis of analogues…
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Learning class-imbalanced problems from the perspective of data intrinsic characteristics
The class-imbalance problem is a challenging classification task and is frequently encountered in real-world applications. Various techniques have been developed to improve the imbalanced classification performance theoretically and practically.
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Development of a academic monitoring system for students with learning problems in secondary school
Students with learning problems experience difficulties in reading, writing, and content-area learning into and throughout their secondary-school years
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Multi-Objective Bayesian Global Optimization for Continuous Problems and Applications
A common method to solve expensive function evaluation problem is using Bayesian Global Optimization, instead of Evolutionary Algorithms.
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Model-assisted robust optimization for continuous black-box problems
Uncertainty and noise are frequently-encountered obstacles in real-world applications of numerical optimization. The practice of optimization that deals with uncertainties and noise is commonly referred to as robust optimization.
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efficacy of digitized storybooks for young learners with attention problems
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dynamics: Understanding collaborative governance approaches to ‘big’ problems through studying ‘small’ practices
In dit artikel heeft Lianne Visser bijgedragen aan het begrip rondom samenwerkend bestuur als uitdagende aanpak voor hardnekkige problemen.
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Sharia, steniging en homoseksualiteit
Er is meer aandacht voor ethiek binnen de sharia, het islamitisch rechtssysteem, dan gedacht. Dat bleek op jaarlijkse congres van het Leiden University Centre for the Study of Islam and Society (LUCIS). Wetenschappers uit de hele wereld bogen zich onder meer over de vraag hoe het moderne islamitisch…
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Trui Steen winnaar NIG Supervisor of the Year Award 2014
Trui Steen, universitair hoofddocent bij het Instituut Bestuurskunde, heeft donderdag 27 november 2014 de NIG Supervisor of the Year Award 2014 gewonnen.
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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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Gerard Breeman
Faculteit Governance and Global Affairs
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Te Beest: meer dan de man van geld en stenen
Willem te Beest, vicevoorzitter van het College van Bestuur, gaat per 1 mei met pensioen. Zijn afscheid werd op 7 april groots gevierd in de Pieterskerk. En onverwachts was er ook nog een koninklijk lintje.
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Nina Eggens
Faculteit Rechtsgeleerdheid
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Error bounds for discrete tomography
Promotores: K.J. Batenburg, B. Koren
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Algebraic filters for filtered backprojection
Promotor: K.J. Batenburg, Co-promotor: A.W. van der Vaart, B. de Smit
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Tommy van Steen 'Kinderen laten leren door te bewegen zorgt ervoor dat ze beter presteren'
Onderzoek lijkt te suggereren dat het zou beter zijn als kinderen tijdens hun lessen in Wiskunde, Engels en Scheikunde zouden bewegen. Onderzoekers beoordeelden 42 studies die ingingen op de voordelen van fysieke activiteiten als onderdeel van de lessen op school bij jongeren. .
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Blowup in the complex Ginzburg-Landau equation
Promotor: Prof.dr. A. Doelman, Co-promotor: V. Rottschäfer
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Igor Djakovic
Faculteit Archeologie
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Leonardo Carmignani
Faculteit Archeologie
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Images of Galois representations
Promotores: S.J. Edixhoven, P.Parent
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Chaotic dynamics in N-body systems
Promotor: Prof.dr. S.F. Portegies Zwart
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Improving robustness of tomographic reconstruction methods
Promotor: Prof.dr. K.J. Batenburg
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Filter-based reconstruction methods for tomography
Promotor: 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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Zihao Yuan
Wiskunde en Natuurwetenschappen
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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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Vincent Niochet
Faculteit Archeologie
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Self-Adjusting Surrogate-Assisted Optimization Techniques for Expensive Constrained Black Box ProblemsBagheri, S.
Optimization tasks in practice have multifaceted challenges as they are often black box, subject to multiple equality and inequality constraints and expensive to evaluate.
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Algorithms for finite rings
Promotores: H.W. Lenstra, K. Belabas (University of Bordeaux)
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On the optimization of imaging pipelines
In this thesis, topics relating to the optimization of high-throughput pipelines used for imaging are discussed. In particular, different levels of implementation, i.e., conceptual, software, and hardware, are discussed and the thesis outlines how advances on each level need to be made to make gains…
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Optimal decision-making under constraints and uncertainty
We present an extensive study of methods for exactly solving stochastic constraint (optimisation) problems (SCPs) in network analysis. These problems are prevalent in science, governance and industry.