463 zoekresultaten voor “random matrix theory” in de Publieke website
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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 in dynamic random environments
Promotor: W.Th.F. den Hollander
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Empirical signatures of universality, hierarchy and clustering in culture
In this thesis,
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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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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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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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A semisynthetic peptide-metalloporphyrin responsive matrix for artificial photosynthesis
This thesis is concerned with the constitution of chiral responsive matrix assemblies that may undergo light-driven conformational changes and self-select vibrations to develop vibronic states for driving semi-classical coherent transfer with nearly 100% yield in a lossless NCAP process.
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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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On electronic signatures of topological superconductivity
Promotor: Prof.dr. C.W.J. Beenakker
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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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Probability theory
Het onderzoeksprogramma Probability Theory richt zich op kansrekening en op operationeel onderzoek.
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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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Computational modeling of angiogenesis : from matrix invasion to lumen formation
Promotor: Roeland M.H. Merks
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Mersenne primes and class field theory
Promotor: H.W. Lenstra, Jr., Co-promotor: B. de Smit
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Kummer theory for commutative algebraic groups
This dissertation is a collection of four research articles devoted to the study of Kummer theory for commutative algebraic groups.
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Modular curves, Arakelov theory, algorithmic applications
Promotor: S.J. Edixhoven, Co-promotor: R.S. de Jong
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Compressed Σ-Protocol Theory
In analogy to mathematical proofs, the goal of a proof system is for a prover to convince a verifier of the correctness of a claim.
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Multiscale mathematical biology of cell-extracellular matrix interactions during morphogenesis
During embryonic growth, cells proliferate, differentiate, and collectively migrate to form different tissues at the right position and time in the body.
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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.
- Aflevering 44: Theory of Mind
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Algebra, Geometry and Number Theory
Het onderzoek binnen het Algebra, Geometry and Number Theory programma varieert van fundamentele wiskundige theorie tot algoritmes en toepassingen.
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Algebra, Geometry and Number Theory (MSc)
In de masterspecialisatie Algebra, Geometry and Number Theory verbreed je je kennis van de zuivere wiskunde met onderwerpen als getaltheorie, algebraïsche meetkunde, algebraïsche topologie en cryptologie.
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Cultural Analysis: Literature and Theory (MA)
De masteropleiding Cultural Analysis: Literature and Theory van de Universiteit Leiden richt zich op de studie van literatuur vanuit een vergelijkend en theoretisch perspectief, en onderzoekt de literatuur van een breed spectrum van talen en culturen uit de hele wereld.
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On cluster algebras and topological string theory
My PhD research is devoted to studies of the conjectural cluster-algebraic symmetry in the theory of topological string, which is the simplest, however already non-trivial sector in the theory of string.
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Political Theory: Legitimacy and Justice (MSc)
In deze masterspecialisatie houd je je bezig met twee kernthema’s in de politieke filosofie: legitimiteit en rechtvaardigheid. Je verdiept je in theoriën, methoden en complexe casus en maakt de stap van opinie naar analyse.
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Deciphering fermionic matter: from holography to field theory
Promotor: K.E. Schalm, Co-promotor: S.S. Lee
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Online Course Terrorism & Counterterrorism: Comparing Theory & Practice
This six-weeks online course delves into the research behind terrorism as it unpacks the assumptions and impacts of both terrorism and counterterrorism.
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Many Babies 2: "Theory of mind"
In deze studie onderzoeken we of 2-3-jarigen in staat zijn te anticiperen op het gedrag van een personage door rekening te houden met wat dit personage wel of niet weet over de situatie. Het kind zit op schoot en krijgt animaties te zien met twee personages, waarbij de ene zich verstopt en de andere…
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Gauge theory and nematic order : the rich landscape of orientational phase transition
Promotor: J. Zaanen
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Advances in computational methods for Quantum Field Theory calculations
In this work we describe three methods to improve the performance of Quantum Field Theory calculations.
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The Importance of Conspiracy Theory in Extremist Ideology and Propaganda
Op 16 april 2020 verdedigde Andrew Fink zijn proefschrift 'The Importance of Conspiracy Theory in Extremist Ideology and Propaganda'. Het promotieonderzoek is begeleid door promotor prof.dr. A. Ellian.
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Femke Bakker, Hawks and Doves: Democratic Peace Theory Revisited
Femke Bakker, Hawks and Doves: Democratic Peace Theory Revisited
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Novel approaches for direct exoplanet imaging: theory, simulations and experiments
The next generation of high-contrast imaging instruments on space-based observatories requires sophisticated wavefront sensing and control in addition to a high-performance coronagraph.
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Applied String Theory: Explaining Quantum Matter with Black Holes
Hoe kunnen we de mysteries van quantummaterie verklaren?
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Terrorism and Counterterrorism Studies: Comparing Theory and Practice
Professor Edwin Bakker, directeur van het Centrum voor Terrorisme & Contraterrorisme heeft zijn nieuwe boek getiteld 'Terrorism and Counterterrorism Studies: Comparing Theory and Practice' bij Leiden University Press uitgebracht.
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Non-linear astrochemical kinetics: theory and applications
This Thesis shows discoveries in non-linear astrochemical kinetics as well as a deeper analysis of dark clouds chemistry.
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Nieuw Boek: Theory and Practice of Public Sector Reform
Het boek biedt verschillende theoretische perspectieven om het proces van publieke sector hervormingen te onderzoeken. Daarnaast geeft het een overzicht van de belangrijkste trends in publieke sector hervormingen in Europa en de Verenigde Staten.
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Geometric quadratic Chabauty and other topics in number theory
This thesis is is made of three parts. The first part describes a generalization of the Chabauty's method, that can be used to determine the rational points of a curve such that s+g>r+1, where g is the genusof the curve, r is the rank of the Mordell-Weil group of the jacobian of the curve and s is…
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Theory-enriched practical knowledge in mathematics teacher education
Het onderzoek gaat over de vraag op welke wijze en op welk niveau studenten van de opleiding voor leraar basisonderwijs theorie en praktijk kunnen integreren en hoe de inrichting van hun leeromgeving, toegespitst op het vak rekenen-wiskunde en didactiek, daaraan kan bijdragen.
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Cognitive enhancement: Toward the integration of theory and practice
Cognitive enhancement is het gebruik van elke methode of techniek met als doel het verbeteren van cognitieve prestaties.
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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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Exploring Justice in Extreme Cases: Criminal Law Theory and International Criminal Law
Op 12 mei 2020 verdedigde Darryl Robinson zijn proefschrift 'Exploring Justice in Extreme Cases: Criminal Law Theory and International Criminal Law'. Het promotieonderzoek is begeleid door promotor prof.dr. C. Stahn.
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Safe anytime-valid inference: from theory to implementation in psychiatry research
Classical statistical methods, such as p-values, are difficult for researchers to apply correctly. They for example do not allow drawing conclusions from a study early, or for extending a study with extra research groups that want to make their data available later.
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Exploration on and of Networks
This dissertation consists of two parts, with the common theme
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Into the ether or the state? Legibility theory and the cryptocurrency markets
In dit artikel presenteren Kellerman en Seddon een nieuw conceptueel kader waarin het concept van marktleesbaarheid centraal staat.
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CCLS Seminar
Lezing, seminar
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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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Uniform infinite and Gibbs causal triangulations
Promotor: Richard D. Gill
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Focal-plane wavefront sensors for direct exoplanet imaging: Theory, simulations and on-sky demonstrations
One of the key limitations of the direct imaging of exoplanets at small angular separations are quasi-static speckles that originate from evolving non-common path aberrations (NCPA) to which the primary adaptive optics system is inherently blind. The main focus of this thesis is the development and…