742 zoekresultaten voor “random were in room environments” in de Publieke website
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Random walks in dynamic random environments
Promotor: W.Th.F. den Hollander
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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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Random walks and the contact process
Promotores: W. Th. F. den Hollander, M.O. Heydenreich
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Wireless Random-Access Networks and Spectra of Random Graph
This thesis is divided into two parts. In Part I we study metastability properties of queue-based random-access protocols for wireless networks. The network is modeledas a bipartite graph whose edges represent interference constraints. In Part II we study spectra of inhomogeneous Erdős-Rényi random…
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On the random-matrix theory of Majorana fermions in topological superconductors
The thesis mainly contributes to the characterization of Majorana fermions as they appear in the Condensed Matter context.
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Random walks on Arakelov class groups
The main topic of this PhD thesis is the Arakelov ray class group of a number field, an algebraic object that contains both the ideal class group structure and the unit group structure.
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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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Knowledge extraction in the quantum random-oracle model
The aim of this thesis is to present novel techniques for proving cryptographic schemes secure against quantum adversaries. Most results are within the context of an idealized model called the ‘quantum random-oracle model’.
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Microscopy and Spectroscopy on Model Catalysts in Gas Environments
In surface science there is great effort to move from studying simple, flat model surfaces in vacuum to investigating more complex model catalysts in gas environments (in situ). This thesis gives three examples of such studies using microscopy and spectroscopy.
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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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characterization of the cell envelope of Actinobacteria under changing environments
Bacteria have the ability to alter their morphology in order to adapt to changing environments.
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confronting hydrodynamic simulations with new observations of high-density environments
Galaxies in the Universe are distributed along the intricate framework of the Cosmic Web. Groups and clusters of galaxies comprise the densest regions in this network, and therefore, are excellent cosmic laboratories to study different aspects of galaxy evolution in extreme environments.
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Climate Change Response in Weak Rule-of-Law Environments
Deze sociaal-juridische studie richt zich op de implementatie van wetgeving en beleid op het gebied van klimaatverandering in ontwikkelingslanden met een zwakke rechtsstaat en de (onvoorziene) effecten daarvan op de landrechten van kwetsbare bevolkingsgroepen.
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Learner–learner interaction in digital learning environments: what and how are we measuring?
In deze dissertatie onderzoekt Galikyan hoe de multidimensionaliteit van gegevens over interactie tussen studenten en de veelzijdigheid van deze interactie van invloed zijn op de meting van interactie tussen studenten in digitale leeromgevingen.
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Nursing mothers' room Anna van Buerenplein
Anna van Buerenplein, Anna van Buerenplein 301, 2595 DG, Den Haag
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cryo-EM tools to study the ultrastructure of microbes in changing environments
Cryogenic electron microscopy (cryo-EM) is a powerful technique used to visualize the inside of cells and to study specific protein complexes. Within this thesis, I describe the use of various cryo-EM techniques to gain insight into the structural changes of the human pathogen, Vibrio cholerae, as it…
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Random walks: als een groep dronken studenten door de straten
Wiskundige Oliver Nagy kan zich nog levendig herinneren dat hij voor het eerst leerde over ‘random walks’. ‘De docent liet ons denken aan een groep dronken studenten die door de straten dwaalden. Bij elk kruispunt draaien ze één van hen in de rondte en gaan ze in de richting waar diegene tot stilstand…
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generation of eDNA monitoring tool for biomass studies in freshwater environments
How can we quantify the density of species within a community through environmental DNA concentrations?
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Exploration on and of Networks
This dissertation consists of two parts, with the common theme
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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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Unlock the cyber crisis: Developing the prototype of an escape room-style cooperative game for cybersecurity education
Het project beoogt een escape room-achtig spel te ontwikkelen om studenten cybercrisismanagement te leren en voor te bereiden op uitdagingen in cybersecurity.
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Spectral signatures of breaking of ensemble equivalence
This thesis explores Breaking of Ensemble Equivalence (BEE) in random graph models by examining the spectral properties of adjacency matrices. The goal is to identify spectral characteristics that differentiate random graph ensembles, enhancing the understanding of complex network structures and beh…
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ISSA's Internationale Conferentie over 'Nurturing Environments' in Leiden
Op 18 en 19 juni komen internationale experts op het gebied van ontwikkeling in de vroege kindertijd samen met de internationale Step by Step Association (ISSA) in Leiden. Tijdens deze conferentie zullen zij de beste methoden onderzoeken voor het ondersteunen van Nurturing Environments for the Wellbeing…
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Joon Hyung Lee
Wiskunde en Natuurwetenschappen
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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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Ambtenaren gaan samenwerken in Leidse escape room
De Gemeente Leiden gaat een door studenten ontwikkelde escape room structureel gebruiken om medewerkers te leren over samenwerken. Voor hun praktijkopdracht bedachten drie studenten van het Leiden Leadership Programme ‘Escaperoom 107: Het Geheim van de Archieven’. Het doel: de ontwikkeling van persoonlijk…
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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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Niet experimenteren maar modelleren: hoe Daoyi Wang wiskunde gebruikt om de wereld te begrijpen
Hoe bestudeer je de groei van micro-organismen, de verspreiding van epidemieën of de genezing van wonden, zonder daadwerkelijk experimenten uit te voeren? Daoyi Wang, promovendus aan het Mathematisch Instituut, werkte aan een specifiek wiskundig model dat de groei van micro-organismen en vele andere…
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Ecological functioning of bacterial chitinases in soil
Promotores: Prof.dr. H. van Veen & Prof.dr. W. de Boer (Wageningen University)
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Ecology and genomics of Actinobacteria and their specialised metabolism
Filamentous Actinobacteria, such as Streptomyces, produce a plethora of chemically diverse bioactive metabolites that have found applications across medicine, agriculture and biotechnology.
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Diversiteitsbewustzijn vergroten op FestiWell - via een Escape Room Game!
Een groep postdocs en PhD's van het Focus on Emotions lab organiseerde een escape room voor personeel en studenten om hen bewuster te maken van diversiteit en toegankelijkheid. Deze was speciaal ontworpen voor het EUniWell FestiWell van dit jaar, dat onder de noemer
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Young suns and infant planets: Probing the origins of solar systems
Even though more than 4000 extra-solar planets are known today, only a small fraction of these has been captured in an image. To better understand the planet formation mechanisms in solar-like environments we started the Young Suns Exoplanet Survey (YSES).
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The stochastic geometry of non-Gaussian fields
Promotor: V. Vitelli, Co-promotor: J. Paulose
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Rationally designed peptide based functional biomaterials
Promotor: Prof.dr. J.G.E.M. Fraaije, Co-promotor: A. Kros
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Living room KOG: de plek voor ontspanning en connectie
De Student Living Room in het KOG opent officieel haar deuren. Alle medewerkers en studenten van de FdR zijn welkom om deze nieuwe ruimte te komen bekijken tijdens het officiële openingsevent op dinsdag 23 mei op 12.00 uur. Tijdens dit moment is er voor iedereen gratis lunch, zullen we met elkaar proosten…
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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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CIRM interviewt Frank den Hollander
Van 2 t/m 6 juni 2014 heeft Prof. dr. Frank den Hollander 2 voordrachten verzorgd tijdens de workshop ‘Recent Models in Random Media’ op het Centre International de Rencontres Mathematiques in Marseille (CIRM), een instituut dat gedurende het hele jaar workshops voor wiskundigen organiseert.
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Clavis Aurea? Structure-enabled approaches of identifying and optimizing GPCR ligands
Promotores: A.P. IJzerman, H.W.T. van Vlijmen
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Signatures of Majorana zero-modes in nanowires, quantum spin Hall edges, and quantum dots
Promotor: Prof.dr. C.W.J. Beenakker
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Empirical signatures of universality, hierarchy and clustering in culture
In this thesis,
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Random Erasing
Lezing
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Uniform infinite and Gibbs causal triangulations
Promotor: Richard D. Gill
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Corruption & Integrity in the Netherlands (1945 - present)
Corruption, integrity (or a lack thereof…) and public values are near omnipresent elements in public administration and politics of all times. Cases of corrupt public officials and politicians continuously emerge. Strangely enough, however, it often remains unknown what actually occurred, how something…
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27 September: Lecture Adam Zamoyski - What were the Napoleonic Wars really about?
What were the Napoleonic Wars really about? This was the central problem posed to Europe by the partitions of Poland and the disintegration of the Holy Roman Empire, the collapse of the Westphalia system and the rising power of Russia. Adam Zamoyski will give this lecture on account of his new book…
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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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Functional xylem anatomy: intra and interspecific variation in stems of herbaceous and woody species
My PhD thesis investigates the ecological significance of resistance against drought-induced air bubble formation inside the water conduits of plants (embolism), and the plasticity and functional aspects of stem anatomical traits in woody and herbaceous species.
- Symposia 2023-2024
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The integration of meta-analysis and classification & regression trees: meta-CART
In meta-analysis, heterogeneity often exists between studies. In such cases, it is essential to investigate the sources of heterogeneity and understand the relationship between effect size and study characteristics (i.e., moderators).
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Synthetic model microswimmers near walls
Synthetic microswimmers take an important place within the interdisciplinary field of active soft matter.
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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.