795 zoekresultaten voor “us politiek” in de Publieke website
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Unconditionally secure cryptographic protocols from coding-theoretic primitives
This dissertation presents new cryptographic protocols, which can be divided into two families.
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Dynamics of coupled quantum systems
Thermodynamics is one of the founding scientific pillars that has helped us better understand heat engines, biology, ecosystems, and even black holes. While it fundamentally describes large systems by examining the bulk behavior of their constituents, it is anchored in the statistical equivalence of…
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Gauge theory and nematic order : the rich landscape of orientational phase transition
Promotor: J. Zaanen
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Resistance to PARP inhibition by DNA damage response alterations in BRCA1/2-deficient tumors
Inactivating mutations in BRCA1 or BRCA2 genes predispose to several types of cancer.
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Understanding deep meta-learning
The invention of neural networks marks a critical milestone in the pursuit of true artificial intelligence. Despite their impressive performance on various tasks, these networks face limitations in learning efficiently as they are often trained from scratch.
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Exploring the interactions of M dwarf winds and cosmic rays
This thesis focus on the interaction between M dwarf stellar winds and Galactic cosmic rays and the possible effects on the habitability of exoplanets.
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Dual Complexes of Semistable Varieties
This thesis is comprised of three chapters covering the theme of studying semistable varieties by looking at their dual combinatorial objects.
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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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Cosmic particle acceleration by shocks and turbulence in merging galaxy clusters
In this thesis, I study the formation of large-scale structure and the physics of particle acceleration at large scales (~Mpc).
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Molecular inheritance from cloud to disk: a story of complex organics and accretion shocks
Stars like the sun are born in large molecular clouds existing from gas and dust. During the formation process, the chemical composition of the material can be altered drastically by the changing physical conditions.
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The endocannabinoid system in zebrafish larvae
In this thesis, we have studied the potential of the zebrafish larval model in studying the ECS, as a complementary model to the existing rodent models.
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The activation mechanisms of G protein-coupled receptors: the case of the adenosine A2B and HCA2/3 receptors
Promotor: A.P. IJzerman
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Novel detectors and algorithms for electron nano-crystallography
Promotor: Prof.dr. J.P. Abrahams, Prof.dr. M. van Heel
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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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Pattern mining for label ranking
Promotor: J.N. Kok, Co-promotor: C.M. Soares, A.J. Knobbe
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Latency, Energy, and Schedulability of Real-Time Embedded Systems
Systems are called real-time systems, if the correctness of the system does not only depend on the correctness of the system output but also on whether the output is delivered on time.
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Error bounds for discrete tomography
Promotores: K.J. Batenburg, B. Koren
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High-contrast spectroscopy of exoplanet atmospheres
More than 5,000 exoplanets have been found over the past couple of decades. These exoplanets show a tremendous diversity, ranging from scorching hot Jupiters, common super-Earths, to widely separated super-Jupiters on the planet/brown dwarf boundary.
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Click-to-release for immune cell activation
This work describes the use of click-to-release chemistry to get spatiotemporal control over immunocytokine activity. Until now, immunocytokines (cytokines coupled to a tumor-targeting-moiety) remained active throughout the body, being able to bind their respective receptors, causing mild to severe…
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Extremely loud & incredibly far: observing radio bright AGN into the cosmic dawn
In this thesis new methodologies are developed for the detection and systematic study of radio sources in the early universe. This allows us to gain a deeper understanding of the formation and evolution of galaxies, the activity of supermassive black holes, and the final phase transition of our universe:…
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Resolving gas-phase metallicity in galaxies
Galaxies are environments where gas coalesces, cools, and is converted into stars. However, it remains unclear the exact mechanisms through which galaxies acquire, redistribute and lose their gas.
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Supermassive Black Holes
Lezing, Studium Generale
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Archief
Op deze pagina vindt u de opnames van de online This Week's Discoveries vanaf 12 mei 2020 en een lijst sprekers vanaf oktober 2015.
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Balanceren tussen publiek en politiek
Promotie
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Caelesta Braun voor het Montesquieu Instituut over lobbydrijfzand
Caelesta Braun, Hoogleraar Public Governance and Civil Society, gaf in een artikel voor het Montesquieu Instituut haar visie op het lobbyen in Nederland.
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Politiek in de provincie en het waterschap
Lezing
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Frank Pieke bij Vroeg! van NPO Radio 1 over de relatie tussen Rusland en China
Hoogleraar Frank Pieke vertelt in de podcast Vroeg! van NPO Radio 1 over de relatie tussen Rusland en China en hoe Rusland langzaam probeert een Aziatisch land te worden.
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Protesten China: Politici niet bang voor bevolking, wel voor collega’s
Dat studenten de protesten in China tegen het zero-Covidbeleid zijn begonnen, is voor politici extra gevaarlijk. Chinadeskundige Frank Pieke legt uit waarom.
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Johan Christensen over politisering van expertise
Johan Christensen, universitair docent aan het Instituut Bestuurskunde, schreef onlangs een stuk op de website van het Montesquieu Instituut. Waar praten we eigenlijk over als we het hebben over politisering van expertise?
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Nadia Bouras bij Op1 over de onaantastbaarheid van Mark Rutte
Ondanks tegenslagen als de toeslagenaffaire, blijft premier Mark Rutte hoog in de peilingen staan. Hoe is deze 'onaantastbare' positie te verklaren? Universitair docent en migratiehistoricus Nadia Bouras was een van de gasten bij Op1 om dit te bespreken.
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Tachtigers in de ondergrondse, spelen met de taal van de politiek, en nog veel meer: onofficiële poëzie uit China in de Digitale Collecties
Ruim 30.000 bladzijden nieuw materiaal is nu ontsloten in de online collectie van onofficiële poëzie-publicaties uit China, onderdeel van de Leidse Digitale Collecties. Deze tijdschriften en boeken worden gemaakt buiten het systeem, in eigen beheer, en zijn invloedrijk maar uiterst moeilijk te vinden.…
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Isabelle Duyvesteijn over Nederland en machtspolitiek
In 2018 neemt Nederland voor een jaar plaats in de VN Veiligheidsraad en in maart is ons land er zelfs voorzitter. Hoe komt het dat ons kleine landje dit toch voor elkaar krijgt? Volgens Isabelle Duijvesteijn is het een kwestie van machtspolitiek, zo legt ze uit aan het Leidsch Dagblad.
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Joost Augusteijn bij OVT en Podcast De Dag over verkiezingswinst Sinn Féin
Bij de verkiezingen in Noord-Ierland is Sinn Féin de grootste geworden. Deze partij is voorstander van een hereniging van Ierland en dus heeft de uitslag mogelijk verstrekkende gevolgen. Universitair hoofddocent Joost Augusteijn duidt de uitslag in radiopragramma OVT en podcast De Dag.
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Jelle van Buuren bij het Financieele Dagblad over the Great Reset
Vorige week sprak Jelle van Buuren, universitair docent aan het Institute of Security and Global Affairs, in het FD over hoe factcheckers al jaren proberen alle complotverhalen, zoals the Great Reset, te ontkrachten.
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Vragenvuur voor ambassadeurs Duitsland en Frankrijk tijdens debat in Wijnhaven
Europa leeft! Dat bleek afgelopen vrijdag toen studenten met de Franse ambassadeur in Nederland, H.E. Luis Vassy en zijn Duitse collega H.E. Dirk Brengelmann, in discussie gingen over allerlei thema’s rond Frans-Duitse betrekkingen en de Europese Unie.
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Radicalisation: The Use of the Internet by Islamic State Terrorists in the US (2012-2018)
Promotie
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Only the dead can tell us: on ancestor worship, law, social status and gender norms in Ancient Egypt
Promotie
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Impact of plant hormones on growth and development of actinobacteria
Plants are colonized by an astounding number of microorganisms that can provide different life-support functions, including nutrient acquisition and protection against (a)biotic stresses like drought or pathogen attack.
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On metrics and models for multiplex networks
In this thesis, we extend the concept of null models as canonical ensembles of multi-graphs with given constraints and present new metrics able to characterize real-world layered systems based on their correlation patterns.
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Distant star formation in the faint radio sky
One of the key quests in astronomy is to study the growth and evolution of galaxies across cosmic time. Radio observations provide a powerful means of studying the formation of stars and subsequent buildup of distant galaxies, in a way that is unbiased by the presence of dust.
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Astrophysical plasma modeling of the hot Universe: Advances and challenges in high-resolution X-ray spectroscopy
Hot astrophysical plasma is ubiquitous in the Universe, from comets in our Solar system to the largest scale structures -- the cosmic web filaments. These hot plasmas, with the temperature of a few millions of degrees, are often observed in the X-ray wavelength range.
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Explorations of Water Oxidation Catalysis in Explicit Solvent
In the search for sustainable energy solutions, the idea of artificial photosynthesis has been proposed as an approach with which to use water and sunlight to produce hydrogen.
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Global Fields and Their L-functions
Artin L-functions associated to continuous representations of the absolute Galois group G_K of a global field K capture a lot of information about G_K as well as arithmetic properties of K.
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Developing systems for high-throughput screening of infectious diseases using zebrafish
Promotor: Prof.dr. H.P. Spaink, Co-promotor: Prof.dr. A.H. Meijer
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Resolving the building blocks of galaxies in space and time
We investigate the buildup of galaxies from various vantage points. The first two chapters focus on the stellar content of galaxies, especially the distribution of stellar masses at birth and potential variations therein in various galactic environments.
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Growth and Transport properties of (Rare Earth)TiO3 / SrTiO3 interfaces
This thesis presents the results of a study on the interfaces of insulating oxides with and without the insertion of a magnetic layer.
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Photothermal circular dichroism studies of single nanoparticles
In this work, we investigate the minute circular dichroism effects of single nanoparticles.To this aim, we apply photothermal imaging with a polarization-modulated heating beam.
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Statistical physics and information theory for systems with local constraints
Systems with local constraints is a new finding in recent researches on complex systems. The heterogeneous spatial interactions and the temporal dependencies among those numerous units make it difficult to describe by traditional statistical physics.
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CE-MS for metabolomics: advancing performance and detection sensitivity
The major and ultimate aim of metabolomics is to obtain an answer to a specific biological or clinical question.
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Lava worlds: characterising atmospheres of impossible nature
Over the last three decades, the discovery of exoplanets has revealed the boundless variety of worlds beyond our own Solar System. Majority of planetary systems contain short-period planets that are larger than Earth but smaller than Neptune.