300 zoekresultaten voor “poletiek area” in de Publieke website
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Adviesgroepen
De Faculteit Geesteswetenschappen heeft twee adviesgroepen voor D&I: een voor medewerkers en voor studenten.
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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
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Nanomaterial safety for microbially-colonized hosts: Microbiota-mediated physisorption interactions and particle-specific toxicity
The external tissues of plants and animals are colonized by microbial communities termed microbiota. When organisms are exposed to environmental pollutants, these substances will therefore encounter microbiota at the exposure interface.
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Patterns of coral species richness and reef connectivity in Malaysia
Promotor: E. Gittenberger, Co-promotor: B.W. Hoeksema
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Measures and Matching for Number Systems
This thesis provides explicit expressions for the density functions of absolutely continuous invariant measures for general families of interval maps, that include random maps and infinite measure transformations, not necessarily number systems.
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Universal adelic groups for imaginary quadratic number fields and elliptic curves
Promotor: Prof.dr. P. Stevenhagen, Prof.dr. K. Belabas (Univ. de Bordeaux)
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Invertebrate response to management of roadside edges
Does roadside management in the mid-west USA increase invertebrate diversity similar to practices in Europe?
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Terrestrial field trials for side-effects of pesticides
The thesis describes terrestrial field trials aimed to detect side-effects of pesticides within the framework of pesticide registration procedures. Field trials were developed using vascular plants Brassica napus and Poa annua, caterpillars Pieris brassicae and effects on decomposition were studied…
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Taxonomy, systematics, and biogeography of Ficus subsection Urostigma (Moraceae)
Promotor: Prof.dr. P.C. van Welzen
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Aspecten van Joods leven in Roermond en Midden-Limburg 1275-2018
Op 28 oktober 2021 verdedigde Hein van der Bruggen zijn proefschrift en behaalde daarmee de doctorstitel.
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Steady-State Analysis of Large Scale Systems
Promotor: W.Th.F. den Hollander Co-Promotor: F.M. Spieksma
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Unconventional fabrication of 2D nanostructures and graphene edges
In this work, we illustrate unconventional approaches towards the fabrication of edge functionalized graphene nanostructures and bidimensional architectures in polymeric and metallic supports, with an outlook towards molecular sensing devices.
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Effects of slug herbivory on seedling recruitment in Brassica napus and B. rapa
Promotor: Prof.dr. P.G.L. Klinkhamer, Co-Promotor: T.J. de Jong
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Soil and crop management options to improve nitrogen cycling on dairy farms on peat soil
The main research question of this thesis was: Can nitrogen cycling on dairy farms on peat soil in the Dutch Green Heart area be improved by adapting management to the nitrogen supply from soil and by using other grassland species and crops without affecting milk production?
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The impact of climate variability on the ecology of a lion (Panthera leo Linnaeus 1758) population and lion livestock conflicts in the Amboseli
Promotor: Prof.dr. G.R. de Snoo, Prof.dr. G.A. Persoon, Co-promotor: H.H. de Iongh
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Externe onderzoekssamenwerking
Binnen het brede netwerk van de Universiteit Leiden neemt het instituut deel aan onderzoek binnen de volgende profileringsgebieden:
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Modelling the interactions of advanced micro- and nanoparticles with novel entities
Novel entities may pose risks to humans and the environment. The small particle size and relatively large surface area of micro- and nanoparticles (MNPs) make them capable of adsorbing other novel entities, leading to the formation of aggregated contamination.
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Exploring charge transport properties and functionality of molecule-nanoparticle ensembles
Promotor: J.M. van Ruitenbeek, Co-Promotor: S.J. van der Molen
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Some case studies of random walks in dynamic random environments
Promotor: Promotor: W.Th.F. den Hollander, Co-promotor: V. Sidoravicius.
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Long term dynamics of stochastic evolution equations
Promotor: S.M. Verduyn Lunel, Co-promotor: O. van Gaans
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Got a friend in me?
Mapping the neural mechanisms underlying social motivations of adolescents and adults
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North Sea noise in the Anthropocene: an impact study of human-made impulsive sounds on free-ranging cod
Sound is everywhere in the marine environment and hearing is therefore a very important for stimuli for fish. They use sound for orientation and communication, during migration, aggregation and spawning, but also for detection of prey and predators.
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Intermittency and Number Expansions for Random Interval Maps
This dissertation consists of two parts, each of which considers a different research area related to random interval maps. In the first part we are interested in random interval maps that are critically intermittent.
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Night Spaces: Migration, Culture and Integration in Europe (NITE)
Hoe worden nachtruimtes verbeeld, geproduceerd, ervaren en verteld door migrantengemeenschappen in Europa? Dit onderzoeksproject onderzoekt deze vraag in acht Europese steden: Aarhus, Amsterdam, Berlijn, Cork, Galway, Lissabon, Londen en Rotterdam.
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Using soil inoculations for ecological restorations
How soil microbial composition impacts structure and composition of the aboveground plant and animal communities?
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MICA – Material Intelligence Capacity Analysis
Can we develop a platform for raw materials intelligence?
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The parabolic Anderson model on Galton-Watson trees
The parabolic Anderson model (PAM), which is the Cauchy problem for the heat equation with random potential. The PAM is a mathematical model that describes how mass (i.e. matter or energy) flows in a medium in the presence of a field of sources and sinks.
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Experts binnen de Universiteit Leiden
Wil je als medewerker of student van de Universiteit Leiden een bijeenkomst organsiseren en daarbij een expert uitnodigen? Dan raden we je aan om contact op te nemen met een van deze instituten.
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Chitin in the fungal cell wall: towards valorization of spent biomass of Aspergillus niger
Aspergillus niger is an important industrial producer of organic acids and enzymes producing large amounts of spent fungal biomass.
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Europa Instituut
Het Europa Instituut van de Universiteit Leiden is één van de oudste academische instellingen gespecialiseerd in het recht van de Europese Unie en het Europees Verdrag inzake de Rechten van de Mens.
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Digital warfare in the Sahel: popular networks of war and Cultural Violence
This interdisciplinary study focuses on (trans)national ethnic and popular networks, combining historical-ethnographic and computational methods to understand the ‘workings’ of networked conflict interfering in the increasingly violent conflict in the Sahel (Africa) and beyond. The project focuses on…
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Over ons
Het Centrum voor Religiewetenschap (LUCSoR) is onderdeel van het Leiden University Institute for Area Studies (LIAS).
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Instituten
De Universiteit Leiden heeft onderzoeksinstituten gevestigd in Leiden en Den Haag.
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Leiden Alumni in New York 2025
Alumni-activiteit, New York
- Vacatures
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David Henley in de Volkskrant over de democratie van Indonesië
Indonesische verkiezingen zijn meer dan godsdienststrijd en het kopen van stemmen, betoogt hoogleraar David Henley.
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Psychologietalenten presenteren onderzoek op de wetenschapsmiddag
Op de Wetenschapsmiddag 2019 ontvingen bachelorstudenten hun certificaat voor het Honours Research Bachelor Project (HRBP) en de Honours Lectures. Daarnaast presenteerden de HRBP deelnemers en de research masterstudenten hun allernieuwste onderzoek met posterpresentaties vol interactie en discussie…
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Shape Analysis for Phenotype Characterisation from High-throughput Imaging
We have studied shape with a particular focus on the zebrafish model system. The shape is an essential appearance of the phenotype of a biological specimen and it can be used to read out a current state or response or to study gene expression.
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Schouwburgstraat Community Garden
In the Schouwburgstraat, LUGO is currently redesigning the back-garden in order to increase biodiversity and make it a more beautiful space. Throughout October 2023 until March 2024, we will be making changes to the garden with our team of volunteers.
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SCS Courses
The coursework within the Science Communication and Society (SCS) specialisation prepares students for internships and a career in communication about science and health.
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Beyond random and forbidden interactions : how optimizing energy gain results in morphological matching among subalpine Asteraceae and their
Plants and their pollinators form complex interaction networks. Within these networks, species differ widely in the number of species they interact with.
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Can tigers survive in human-dominated landscapes?
S.S. Kolipaka’s thesis questions and investigates the survival prospects of reintroduced tigers and their offspring’s in the human dominated landscape of Panna tiger reserve in India.
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Parallel evolution in an invasive plant species: evolutionary changes in allocation to growth, defense, competitive ability and regrowth of invasive
Promotor: Prof.dr. P.G.L Klinkhamer, Co-promotor: K. Vrieling
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The Interactions of Human Mobility and Farming Systems and Impacts on Biodiversity and Soil Quality in the Western Highlands of Cameroon
Promotors: Prof.dr. G.R. de Snoo, Prof.dr. G.A. Persoon, Prof.dr.ir. H.H. de Iongh
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Transcultural Health Care Utilisation in Serengeti of Tanzania: Towards Applied Ethnoscience in Public Health Management
The research provides insight into disease behavior in both rural and semi-urban areas in Serengeti in Tanzania.
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Linkages of Sustainability
Exploring linkages between energy and material use and implications for sustainable development.
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Instituten
Al het onderzoek van de Universiteit Leiden is georganiseerd in instituten. Om recht te doen aan de veelkleurigheid van het onderzoek (en dus ook aan het onderwijs) dat daar uit voortvloeit vindt u op deze pagina’s omschrijvingen van alle Leidse instituten.
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Unravelling East Africa’s Early Linguistic History (LHEAf)
This project investigates the rich linguistic history of the crucial language groups in East Africa and includes a search for words that indicate earlier lost languages. These outcomes, combined with recent archaeological and genetic research, will contribute to a new understanding of East Africa’s…
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The Effect of Directives Within the Area of Direct Taxation on the Interpretation and Application of Tax Treaties
Promotie
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Waar komt taal vandaan?
Een van de moeilijkste wetenschappelijke vragen is waar taal vandaan komt. Wanneer en hoe is dat complexe systeem tot stand gekomen? En hoe kan het dat elk kind het kan leren? Wetenschappers hebben dat nog steeds niet helemaal opgehelderd. Fenna Poletiek blogt over het steentje dat zij bijdraagt met…