1,698 zoekresultaten voor “random works in random environmental” in de Publieke website
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Random walks in dynamic random environments
Promotor: W.Th.F. den Hollander
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Random walks and the contact process
Promotores: W. Th. F. den Hollander, M.O. Heydenreich
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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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Opinion Dynamics on Random Graphs
This thesis investigates opinion dynamics on random graphs through the lens of the voter model, a classical interacting particle system used to describe how consensus emerges in networks.
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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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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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Post-quantum Security of Cryptographic Transformations in the Random Oracle Model
In cryptography, generic transformations are often used to strengthen simpler but weaker schemes, into more sophisticated and stronger ones.
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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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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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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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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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Approaching equilibrium in a dynamic network
This dissertation presents four separate chapters, all striving towards the same goal: to understand dynamic phenomena occurring in dynamic networks and to explore the emergence of equilibrium in a broad sense.
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Exploration on and of Networks
This dissertation consists of two parts, with the common theme
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Principles of Environmental Sciences
Principles of Environmental Sciences provides a comprehensive picture of the principles, concepts and methods that are applicable to problems originating from the interaction between the living and non-living environment and mankind. Both the analysis of such problems and the way solutions to environmental…
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Joon Hyung Leej.h.lee@liacs.leidenuniv.nl | 071 5272727
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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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MS@Work studie
Factoren van invloed op arbeidsparticipatie onder mensen met multiple sclerose
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Environmental Biology
De afdeling richt zich op het verbeteren van het wetenschappelijk begrip in de relatie tussen mens en natuur. Hoe beïnvloedt menselijk handelen (via bijvoorbeeld klimaatverandering, landgebruiksverandering en de emissie van mogelijk toxische verbindingen) de natuur in het algemeen en de biodiversiteit…
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Spectral Analysis of Inhomogeneous Networks
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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Opportunity and Problem in Context (OPiC). A framework for environmental management in developing countries
Promotor: W.T. de Groot
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The stochastic geometry of non-Gaussian fields
Promotor: V. Vitelli, Co-promotor: J. Paulose
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Environmental footprints: assessing anthropogenic effects on the planet's environment
Promotor: Prof.dr. G.R. de Snoo, Co-promotor: R. Heijungs
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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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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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Katherine Hamiltonk.l.hamilton@liacs.leidenuniv.nl | 071 5272727
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Environmental and health impact of informal e-waste recycling
The majority (80%) of e-waste generated globally are recycled informally in developing countries.
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Future Environmental Impacts of Metals
Metal production is not only energy-intensive and a major source of greenhouse gas (GHG) emissions, but is also associated with other impacts affecting human health and ecosystems.
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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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Using commitment to improve environmental quality
Promotores: E. van Dijk, G.R. de Snoo. Co-promotor: H. Staats
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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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Empirical signatures of universality, hierarchy and clustering in culture
In this thesis,
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Creating Global Scenarios of Environmental Impacts with Structural Economic Models
To limit the effects of climate change, global average temperature since pre-industrial measurements are to be kept well below 2 °C preferably even at 1.5 °C.
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Afdeling Environmental Biology (CML-EB)
De afdeling Environmental Biology (CML-EB) houdt zich bezig met vraagstukken rondom biodiversiteit en natuurlijke hulpbronnen op het platteland in westerse en niet-westerse gebieden.
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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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Uniform infinite and Gibbs causal triangulations
Promotor: Richard D. Gill
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Environmental opportunities and challenges for IoT technologies in sustainable supply chain operations: from industries to products
IoT technology poses serval opportunities to supply chains. This thesis employs grey correlation and forecasting models, system dynamics, agent-based modeling, and ex-ante LCA to investigate and quantify the opportunities and risks of IoT-enabled sustainable supply chain operations from both industrial…
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Future environmental impacts of hydrogen production and its use in container shipping
Hydrogen-based fuels are regarded as promising candidates for decarbonizing the maritime shipping sector.
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The parabolic Anderson model and long-range percolation
Promotor: Prof.dr. F. den Hollander, G.Maillard
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Adaptive responses to environmental changes in Lake Victoria cichlids
Promotor: M.K. Richardson, Co-Promotor: F. Witte
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Social support at work and at home: Dual-buffering effects in the work-family conflict process
Dr. Helen Pluut heeft een artikel gepubliceerd in het gerenommeerde tijdschrift Organizational Behavior and Human Decision Processes (OBHDP). Dit in samenwerking met Remus Ilies (National University of Singapore), Petru Curşeu (Open Universiteit en Babeş-Bolyai University) en Yukun Liu (University of…
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Scattering and absorption in 2D optics
Scattering of light in the presence of nano-structured materials, i.e. with features in the order of the wavelength of the light or smaller, reveals details of how light interacts with matter at the nanoscale.
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Ecological functions and environmental fate of exopolymers of Acidobacteria
Acidobacteria is a widely distributed phylum but their functional roles in ecosystem processes are still largely elusive.
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Environmental and metabolomic study of antibiotic production by actinomycetes
Promotor: Prof.dr. G.P. van Wezel
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Cryptography from quantum uncertainty in the presence of quantum side information
Promotor: Ronald Cramer, Co-promotor: Serge Fehr
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Actors at work
Promotor: F.S. de Boer Co-promotor: P. T. de Gouw
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sustainability: an elaboration and application of the system of environmental-economic accounting for Indonesia
Indonesia is experiencing various environmental challenges related to its fast economic growth. Therefore, it is necessary to have measurable and applicable indicators to obtain accurate data and information regarding the costs of adverse environmental impacts arising from economic activities to support…
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Environmental sustainability of NdFeB magnet recycling: foresight study on recycling systems and technologies
The demand for neodymium-iron-boron (NdFeB) magnets is rapidly growing, while the neodymium supply chain is under pressure. Recycling can alleviate these issues. This thesis investigates the potential for deploying novel magnet recycling technologies and their environmental consequences.
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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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Online Course EU Policy & Implementation: Making Europe Work!
In this top-rated course, you will learn how the European Union prepares and decides on policy, and how policy is transferred to member states and implemented by various authorities. It discusses the challenges of the European multi-level governance structure and the main causes of policy failure or…