759 zoekresultaten voor “peter” in de Publieke website
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Team 4 Vrije keuzeruimte 5e semester & arbeidsmarktaansluiting
Dit team gaat aan de slag met de invulling van de grotere vrije keuzeruimte in het 5e semester.
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Tweerichtingsverkeer tussen mens en biodiversiteit
Inaugurale rede
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Het recht op gezinshereniging: tussen migratiebeheersing en mensenrechten
Dit onderzoek gaat over het recht op gezinshereniging. Om te onderzoeken of er een mensenrecht op gezinshereniging bestaat, wordt gekeken naar verschillende rechtsbronnen binnen het internationale recht.
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Biological and Soft Matter Physics
Onderzoeksgroepen in het Biological & Soft Matter onderzoeksprogramma ontrafelen de mechanismen in biologische processen en ontwikkelen nieuwe zachte materialen die geïnspireerd zijn door de natuur.
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Deformations of nodal surfaces
Promotores: P. Stevenhagen, L. van Geemen Co-promotor: R.M. van Luijk
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De ontdekking van de aarde
Met kerstmis 1968 vertoonde de aarde zich in een nieuwe gedaante. Voor het eerst aanschouwden we onze planeet vanuit de verre ruimte. Voor miljoenen mensen was het een beeld van een aangrijpende schoonheid.
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Effective Protection of Fundamental Rights in a pluralist world
Welke kansen en bedreigingen vloeien voort uit de institutionele en normatieve diversiteit op het terrein van de rechten van de mens voor de effectieve bescherming van die rechten in een wereld die gekenmerkt wordt door pluralisme?
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Phenotypic plasticity and genetic adaptation of plant functional traits on global scales
In light of climate change, it is crucial to determine whether plant species can adapt to future climates to avoid extinction. Plants adapt to various conditions by altering their functional traits, such as leaf size or photosynthetic rate. Some traits appear linked and vary together between species,…
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The Monetary Valuation of Water-related Ecosystem Services
While ecosystems have concrete benefits for human society, these benefits are typically overlooked in decision-making.
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The urge to collect
Where does the urge to collect come from? What are the explicit or underlying reasons for gathering large amount of objects?
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ALL-IN meta-analysis
Science is typically a patchwork of research contributions without much coordination. Especially in clinical trials, the follow-up studies that we do fail to be the most promising.
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Expanding the coverage of ecosystem services in life cycle assessment: an interdisciplinary venture
To contribute to the body of knowledge aiming at a better coverage of ecosystem service assessment in LCA studies, this thesis dives into the challenges of incorporating existing ecosystem service methods within the impact assessment phase of the conventional LCA framework.
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Cahier
De nieuwste inzichten in de ontwikkeling van gedrag en de bijbehorende hersenmechanismen staan in het cahier ‘Brein in de Groei’ van Biowetenschap & Maatschappij. Wetenschappers en jeugdprofessionals vanuit heel Nederland leveren een bijdrage, onder wie 11 wetenschappers van de Universiteit Leiden.…
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Radicals in arithmetic
Promotor: Prof.dr. P. Stevenhagen, Co-promotor: B. de Smit
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Resolving a bioindicator diatom species complex using genomic approaches for freshwater biomonitoring
This thesis pioneers diatom molecular identification and quantification through genome-scale methods, with four key aims: (i) reviewing DNA/RNA sequencing methods in aquatic biomonitoring to highlight their strengths and limitations;
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Risk bounds for deep learning
In this thesis, deep learning is studied from a statistical perspective. Convergence rates for the worst case risk bounds of neural network estimators are obtained in the classification, density estimation and linear regression model.
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Digging for data: the rise and fall of a Miocene mammal biodiversity hotspot in the Vallès-Penedès (Catalonia, Spain)
The Vallesian, 11.1-9 Ma, was a special time in the Vallès-Penedes basin near Barcelona, where a biodiversity hotspot existed. Europe had a subtropical climate, with rhinos, forest giraffes, lions, hyenas, flying squirrels and primates.
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When data compression and statistics disagree: two frequentist challenges for the minimum description length principle
Promotor: P.D. Grünwald
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Metabolomic characterization of plant exudates and their correlation with plant defense systems
Plant exudates appeared long time ago in the history line of life in the early Devonian. They are typical saps produced by specialized cells.
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Optimal Test Statistics for Anytime-Valid Hypothesis Tests
Vandaag de dag liggen statistische methodes aan de grondslag van beslissingen in allerlei facetten van het leven, van de gezondheidszorg en agricultuur tot de financiële sector en marketing.
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Green defense against thrips- Exploring natural products for early management of western flower thrips
As a contribution to the changing legislation and evolving societal attitudes concerning environmental issues, this project aims to enhance and manipulate the plants’ own natural defense mechanisms against western flower thrips (WFT).
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Better Predictions when Models are Wrong or Underspecified
Promotor: P.D. Grünwald
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The ecological relevance of chemical diversity in plants
Promotor: P.G.L. Klinkhamer, Co-Promotores: K. Vrieling, P.P.J. Mulder
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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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Inverse problems for universal deformation rings of group representations
Promotor: Prof.dr. P. Stevenhagen
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Assemblage and functioning of bacterial communities in soil and rhizosphere
Promotores: J.A.van Veen, P.L.G.Klinkhamer. Co-promotor: E.E.Kuramae
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Applying data mining in telecommunications
This thesis applies data mining in commercial settings in the telecommunications industry.
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2015
LIBC PUBLIEKSDAG 'MENSEN KIJKEN; DE WERELD VAN HET SOCIALE BREIN' (in Dutch)
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Discovery and exploitation of the transcriptional regulatory system of pectinases in Aspergillus niger
Pectin is a plant cell wall polysaccharide made of mainly D-galacturonic acid (GA) subunits. The potency of the filamentous fungus Aspergillus niger to naturally secrete high amounts of pectinases to degrade pectin has been utilized for the industrial production of pectinases.
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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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Phenotypic screening with 3D cell-based assays
Traditional drug discovery approaches have been hampered by (in vitro) cell-culture models that poorly represent the situation in the human body.
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Neonicotinoids in nature: The effects on aquatic invertebrates and their role in ecosystems
This thesis describes the role of pollution, specifically neonicotinoid insecticides, as an actor of the ongoing biodiversity decline.
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On the 16-rank of class groups of quadratic number fields
Promotores: P. Stevenhagen, E. Fouvry (Univeriste Paris Saclay)
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Remote (sensing) functional biodiversity: exploring drivers of trait variation and spectral variability in the Arctic
Globally and regionally, biodiversity is declining and there are shifts in species’ occurrences and functional traits.
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Non-target effects of GM potato: an eco-metabolomics approach
Promotores: P.G.L. Klinkhamer, P.M. Brakefield, Co-Promotor: M. Bruinsma
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Are we there yet? Advances in anytime-valid methods for hypothesis testing and prediction
Statistical considerations guide the design and implementation of the experiments that scientists perform. For instance, in a clinical trial about a the efficacy of a treatment, its effect in a certain minimum amount of patients has to be observed in order to make confident assertions about the efficacy…
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What's in the diet? DNA-based analysis for qualitative and quantitative assessment of animal diet
Animal diet studies are critical for understanding ecological processes such as trophic interactions, energy flow, and nutrient cycling. By examining what animals consume, ecologists gain insights into species specialization, predator-prey relationships, and ecosystem management.
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Taxonomy, systematics, and biogeography of Ficus subsection Urostigma (Moraceae)
Promotor: Prof.dr. P.C. van Welzen
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Kinderrechtenmonitor 2013
De Kinderrechtenmonitor laat zien hoe het gaat met kinderen die in Nederland opgroeien. Met deze monitor wordt gemeten of en hoe kinderrechten, zoals vastgelegd in het Internationaal Verdrag inzake de Rechten van het Kind (IVRK), in Nederland worden nageleefd.
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Team 7 Afstuderen
Ons bacheloronderwijs sluit nog niet altijd goed aan bij het niveau van onze master-opleidingen. Dit team zal uitwerken hoe deze aansluiting beter kan warden en hoe het afstudeertraject hierin een rol kan spelen.
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Bayesian learning: challenges, limitations and pragmatics
This dissertation is about Bayesian learning from data. How can humans and computers learn from data?
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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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Soil organic amendments for climate-smart agriculture
Organic amendments applied to agricultural fields can partially offset our carbon emissions to the atmosphere and improve the resilience of agriculture to the effects of climate change. Driving these benefits, however, are complex and poorly understood interactions between organic amendment properties,…
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European-wide ecosystem responses and their vulnerability to intensive drought
There is accumulating evidence for an increase in severe global drought events. In particular, Europe experienced several severe droughts in 2003, 2015, and 2018 (unprecedented in the past 2,110 years). Such droughts have caused serious and far-reaching impacts on terrestrial ecosystems.
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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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Over ons
Het Sport Data Center (SDC) bestaat uit de data science disciplines van de Universiteit Leiden en de TU Delft, in combinatie met sportwetenschappelijke takken van het Amsterdam Institute of Sport Science en het Sports Engineering Instituut van de TU Delft.
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Cheating belowground interactions
Mycoheterotrophy is a particular mode of life in which plants obtain carbohydrates from their associated fungal partners, instead of by using photosynthesis.
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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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Het verre gezicht. Politieke en culturele relaties tussen Nederland en Azië, Afrika en Amerika
Het Verre gezicht biedt de lezer een fraaie staalkaart van de politieke en culturele relaties tussen Nederland en Azië, Afrika en Amerika.
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Systemic Accountability of the European Border and Coast Guard
Op 11 november 2021 verdedigde Mariana Gkliati het proefschrift 'Systemic Accountability of the European Border and Coast Guard'. Het promotieonderzoek is begeleid door promotoren prof.dr. P. Rodrigues en prof.dr. L. Besselink (UvA).