929 zoekresultaten voor “p-divisible groups” in de Publieke website
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Division points in arithmetic
This thesis consists of three chapters, the first two of which concern division points of elements of the multiplicative group of a number field.
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Surveying young stars with Gaia: Orion and the Solar neighbourhood
OB associations are loose groups of young, massive stars. They constitute the last stage of the massive starformation process, and the context in which new stars are formed.
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The chlorine chain study
A substance flow analysis, covering about 99 % of the flows of chlorinated substances in the Netherlands.
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Geometry and arithmetic of del Pezzo surfaces of degree 1
This thesis contains results on the arithmetic and geometry of del Pezzo surfaces of degree 1.In Chapter 1 we give the necessary background, assuming the reader is familiar with algebraic geometry.
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Gauge theory and nematic order : the rich landscape of orientational phase transition
Promotor: J. Zaanen
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Quantum local asymptotic normality and other questions of quantum statistics
Promotor: R. Gill, Co-promotor: P. Massart
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Imaging of alkyne-functionalized ruthenium complexes for photoactivated chemotherapy
In photoactivated chemotherapy (PACT), a biologically active compound is caged by a light-cleavable protecting group.
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Torsion points on elliptic curves over number fields of small degree
Promotor: S.J. Edixhoven Co-promotor: L. van Geemen, P. Parent
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Verified Reowolf
Meer informatie over dit onderzoeksproject op de Engelstalige pagina.
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Strategy Dynamics
In the thesis the dynamics of strategies is studied from two perspectives.In the first part of the thesis strategies are considered to be opinions present in a community.
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Lipids as therapeutic targets for barrier repair in skin diseases
The skin is our natural barrier and lipids are a key part of this barrier. In the outer skin layer, the stratum corneum (SC), lipids form a densely organized structure dependent on the composition of these lipids.
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Plusprogramma World Teachers Programme
The World Teachers Programme is a plus programme of the Teaching Master at ICLON Leiden Graduate School of Teaching, geared towards bilingual and international education.
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Random Walks on Arakelov Class Groups
Promotie
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Kummer theory for commutative algebraic groups
Promotie
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Senior research analyst
Wiskunde en Natuurwetenschappen, Leids Instituut voor Onderzoek in de Natuurkunde (LION)
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Senior research analyst
Wiskunde en Natuurwetenschappen
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Assistant Professor in Natural Language Processing
Wiskunde en Natuurwetenschappen, Leiden Institute of Advanced Computer Science (LIACS)
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Ontwikkeling van tweetalig onderwijs
Steeds meer scholen bieden tweetalig onderwijs aan. Het doel van dit project is het verder ontwikkelen van de manier waarop tweetalig onderwijs wordt gegeven, en zo het leren door leerlingen te bevorderen.
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De betrokkenheid van docenten-in-opleiding bij lesgeven
Hoe wordt de betrokkenheid bij het lesgeven van docenten-in-opleiding beïnvloed door hun persoonlijkheidskenmerken, leerervaringen en hun visie op de invloed van externe factoren op hun loopbaan?
- Academic English online for Secondary School Students
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Organisatie
Bij de Oude Sterrewacht werken we met een klein maar kundig team. Op deze pagina staan de contactgegevens van de verschillende mensen die bij ons werkzaam zijn.
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GovLis: Wanneer luistert de overheid naar de burgers?
Hoe beïnvloeden interest groups, verschillen in beleidsproblemen en institutionele verschillen tussen landen of de publieke opinie geïncorporeerd wordt in het beleid?
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Kwaliteit van instructie in open online onderwijs
Open online onderwijs is een erg populaire vorm van onderwijs geworden. Dit project richt zich op het verzamelen van bewijs hoe online onderwijs op een goede manier kan worden ingezet.
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Unpacking Interest Groups: On the intermediary role of interest groups and its effects for their political relevance
Promotie
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From supernovae to galaxy clusters: observing the chemical enrichment in the hot intra-cluster medium
Promotor: Jelle S. Kaastra Co-promotor: Jelle de Plaa
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Phylogenetic ecology of octocoral - gastropod associations
Promotor: E. Gittenberger, Co-promotores: L.P. van Ofwegen; B.W. Hoeksema
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Applications of paramagnetic NMR spectroscopy for protein research
The aim of the research presented in this thesis was to develop new methods forchallenging systems in liquid-state NMR using paramagnetic effects generated by thetwo-armed probe CLaNP-5.
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Stellar radio beacons for Galactic astrometry
A century ago, it was unclear whether the stars in the sky were clustered in groups, or widely spread in the universe.
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Custom-made online language courses
Make use of this time to improve your language skills by signing up for custom-made online language classes.
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Bestrijdingsmiddelen en Milieu
The book ‘Bestrijdingsmiddelen en Milieu' gives a transparent overview of facts and figures concerning pesticide use in the Netherlands and the impact of pesticides on the environment.
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Innovation and stasis
The name ‘Jambi flora’ refers to fossil plants found as part of a rock formation from the Early Permian (296 million years old), located in the Jambi Province of Sumatra, Indonesia.
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Early Dutch Radio Astronomy (1940-1970)
Promotores: F.H. van Lunteren, F.P. Israel
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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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In vitro investigation of the photoprotection mechanism of Light Harvesting Complex II
Solar energy is used by photosynthetic organisms to drive energy required cellular processes. Is absorbed by two groups of pigments, located in the LHCs.
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Bearing with noise: The effects of highway noise on behaviour and development in zebra finches
Anthropogenic noise negatively affects wildlife in a wide range of taxonomic groups.
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Reagent Controlled Synthesis of 1,2-cis-Oligosaccharides
This Thesis describes a strategy to synthesize 1,2-cis-oligosaccharides modulated by additives, such as dimethylformamide (DMF), triphenylphosphine oxide (Ph3P=O) and N-methyl(phenyl)formamide (MPF), using building blocks that carry solely benzyl type protecting groups and are therefore of uniform r…
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Image analysis for gene expression based phenotype characterization in yeast cells
Promotores: T.H.W. Bäck, A. Plaat, Co-promotor: F.J. Verbeek
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Radicals in arithmetic
Promotor: Prof.dr. P. Stevenhagen, Co-promotor: B. de Smit
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Geometric quadratic Chabauty and other topics in number theory
This thesis is is made of three parts. The first part describes a generalization of the Chabauty's method, that can be used to determine the rational points of a curve such that s+g>r+1, where g is the genusof the curve, r is the rank of the Mordell-Weil group of the jacobian of the curve and s is…
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Bloomington Grove Kickapoo Creek Restoration to Enhance Biodiversity
Does a high quality prairie restoration in an urban/agricultural landscape provide invertebrates necessary for a sustainable ecosystem?
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Galactic substructures as tracers of dark matter and stellar evolution
One of the most important puzzles in modern astrophysics is the nature of dark matter.
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Current Projects
As SAFE, we divide our attention into three streams. Here is some information about what we are currently working on in 2021.
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Onderzoek
The aim of our research program is to better understand the aetiology and course of mood, anxiety and trauma and stressor-related disorders and to test and improve treatments for these disorders.
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Temperature effects on genetic and physiological regulation of adaptive plasticity
Promotor: P.M. Brakefield
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Grafieken maken van algebraische formules
Veel leerlingen hebben problemen met het lezen van algebraische formules. Grafieken kunnen betekenis geven aan deze algebraische formules. Wat efficiënte methoden zijn om bij deze formules globale grafieken te maken is tot dusver onbekend.
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Professionele leergemeenschappen in het vmbo: Effecten van wederzijdse afhankelijkheid op differentiatie in de klas
In dit project wordt onderzocht hoe de interactieprocessen verlopen binnen professionele leergemeenschappen en wat het effect hiervan is op differentiatie in de klas van vmbo-docenten.
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Leraren en leerlingen als partners in onderzoek van de onderwijspraktijk
Hoe kan door middel van collaboratief actieonderzoek door leraren-in-opleiding en hun leerlingen leerlingenparticipatie worden bevorderd, de onderwijspraktijk worden verbeterd en kennis worden verkregen over deze onderwijspraktijk die bruikbaar is om ook de opleiding van leraren te verbeteren?
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Studiesucces: academische vaardigheden en kritisch denkvermogen in bachelorstudies
In dit project wordt onderzocht hoe onderzoek in de leeromgeving (Research Based Learning of RBL) studenten kan stimuleren om zelf onderzoek te gaan doen. Ook wordt gekeken naar het effect van RBL op het vermogen van studenten om kritisch te denken en op hun academische vaardigheden.
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Student Assessor
Archeologie
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Hoe ontstaan interesses van adolescenten in het dagelijks leven, en hoe ontwikkelen deze zich tot hun persoonlijke interesses?
In dit project wordt onderzocht hoe interesses in het dagelijks leven ontstaan: wat maakt dat adolescenten een bepaalde activiteit of inhoud interessant vinden?