622 zoekresultaten voor “rianne maria theory” in de Publieke website
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The unit residue group
The unit residue group, to which the present thesis is devoted, is defined using the norm-residue symbol, which Hilbert introduced into algebraic number theory in 1897.
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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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Geometric approach to evolution problems in metric spaces
Promotor: S.M. Verduyn Lunel, Co-promotor: O.W. van Gaans
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Inverse Jacobian and related topics for certain superelliptic curves
To an algebraic curve C over the complex numbers one can associate a non-negative integer g, the genus, as a measure of its complexity.
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Highly Accurate Simulations and Benchmarking of Molecule-Surface Reactions
Heterogeneous catalyzed processes are highly significant to the chemical industry. Dissociative chemisorption (DC) of molecules on surfaces is always considered as a step with a high degree of rate control for heterogeneous catalysis.
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Geometry of Vegetation Pattern
One of the effects of climate change is the phenomenon of desertification, a process that occurs in semi-arid and arid areas and causes land degradation as well as vegetation loss. Due to the lack of resources, vegetation self-organizes to sustain itself by forming large-scale spatial patterns.
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Computational aspects of class group actions and applications to post-quantum cryptography
Most of current public-key cryptography is considered insecure against attacks from sufficiently powerful quantum computers. Post-quantum cryptography studies methods to secure information resistant against such attacks. One proposal is isogeny-based cryptography, which bases its security on computational…
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Links between cohomology and arithmetic
Promotor: S.J. Edixhoven
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Development of highly accurate density functionals for H2 dissociation on transition metals
Metals surfaces form a group of effective catalysts for the reaction of small molecules such as hydrogen (H2).
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Universitair liefdeskoppel trouwt ‘voor heel Leiden’ op 3 oktober
Ze kennen elkaar al van kleins af aan, maar verliefd werden Rianne en Tom pas toen ze samenwerkten op de universiteit. Die liefde mondde afgelopen 3 oktober uit in een sprookjeshuwelijk tussen het feestgedruis.
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Complex multiplication of abelian surfaces
Promotor: Peter Stevenhagen
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Coping with administrative tasks: A cross-country analysis from a street-level perspective
This study seeks to analyse how job stress could be the result of performing administrative tasks
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Rahul Bandyopadhyay
Wiskunde en Natuurwetenschappen
r.bandyopadhyay@liacs.leidenuniv.nl | +31 71 527 2727
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Stochastic resetting and hierarchical synchronisation
Stochastic resetting is simple enough to be approached analytically, yet modifies stochastic processes in a non-trivial way.
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Real-time foresight: preparedness for dynamic innovation networks
Promotor: H.J. van den Herik, B.R. Katzy, Co-promotor: K. Sailer
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Counting problems for number rings
Promotor: H.W. Lenstra
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On the amount of sieving in factorization methods
Promotoren: R. Tijdeman, A.K. Lenstra, Co-promotor: H.J.J. te Riele
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The wild Brauer-Manin obstruction on K3 surfaces
In this thesis, rational points on K3 surfaces are studied. In the first part of Chapter 1 the Brauer group and the the Brauer-Manin obstruction are introduced.
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Imperfect information variants of combinatorial games
Combinatorial games are games for two competing players, moving in a turn-by-turn fashion, in which there is no chance nor hidden information. Chess, checkers and the simpler tic tac toe are well-known examples of this class of games, as well as game of go.
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Extension of Operators on Pre-Riesz Spaces
This thesis mainly extends the theory of positive operators on Riesz spaces to a setting of pre-Riesz spaces.
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Deformations of nodal surfaces
Promotores: P. Stevenhagen, L. van Geemen Co-promotor: R.M. van Luijk
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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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Topics in mathematical and applied statistics
Promotor: A.W. van der Vaart
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Leiden SPSS project
Data theory research on the analysis on the multidimensional data
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Diophantine equations in positive characteristic
In this thesis three different topics in number theory are studied.
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Aspects of cosmic acceleration
The focus of the dissertation
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Fuzzy systems and unsupervised computing: exploration of applications in biology
In this thesis we will explore the use of fuzzy systems theory for applications in bioinformatics.
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Nurbolat Kenbayev
Wiskunde en Natuurwetenschappen
n.kenbayev@liacs.leidenuniv.nl | +31 71 527 2727
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Francesco Ragazzi
Faculteit der Sociale Wetenschappen
f.ragazzi@fsw.leidenuniv.nl | +31 71 527 2727
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Francesco Buda
Wiskunde en Natuurwetenschappen
f.buda@lic.leidenuniv.nl | +31 71 527 5723
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Geesteswetenschappen in beeld
De Faculteit Geesteswetenschappen beslaat een groot wetenschappelijk vakgebied. Wat is de gemene deler van al deze wetenschappers en studenten? Zij vertellen hun verhaal en de impact in de documentaire 'Wij zijn Geesteswetenschappen'.
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Latijns-Amerika
Leidse experts van Latijns-Amerika hebben specialismes zoals talen, culturen, antropologie, archeologie, geschiedenis, filosofie en genetica. Samen proberen zij de mysteries en het verborgen verleden van het Amerikaanse continent te ontdekken.
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Exposed to events that never happen: Genaralized unsafety and prolonged psysiological stress responses
The aims of the project are to: further clarify 'inhibition by safety'; explore and describe all possible sagety factors, with a special focus on the primary human safety source: social connectedness; reviewing prolonged stress responses without stressors.
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Coherent dynamics in solar energy transduction
Promotor: Prof.dr. H.J.M. de Groot, Co-promotor: Francesco Buda
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ALGANT
Fundamental research in the ALgebra, Geometry And Number Theory
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Postmaterialism and Socioeconomic Status Impact in the Chilean Voting Behavior
This paper describes the development process of voting behavior in Chile; particularly the relationship between the class voting theory and the theory of cultural post-materialist vote is investigated. This research deals with Chile as a case study, a developing country with a relatively stable democracy…
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Basis reduction for layered lattices
Promotor: H.W. Lenstra
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Fermions and Bosons: Excitons in strongly correlated materials
Promotors: Prof.dr. J. Zaanen, Prof.dr.ir. H. Hilgenkamp
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Ab initio molecular dynamics calculations on reactions of molecules with metal surfaces
Promotor: Prof.dr. G.J. Kroes
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Refined tautological relations on moduli spaces of curves
The key purpose of this project is to study tautological relations on the level of closed differential forms or even integral cochains (i.e. we don't take classes in cohomology).
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Contact
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Approach to Markov Operators on Spaces of Measures by means of equicontinuity
The subject of this thesis, ‘Approach to Markov Operators on Spaces of Measures by Means of Equicontinuity’, combines an analytical and probabilistic approach to Markov operators.
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Groups and fields in arithmetic
Promotor: Prof.dr. H.W. Lenstra
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Withstanding the cold: energy feedback in simulations of galaxies that include a cold interstellar medium
Understanding how galaxies form, interact, and evolve comes largely from comparing theory predictions with observational data. Numerical simulations of galaxies provide the most accurate approach to testing the theory, as they follow the non-linear evolution of gas and dark matter in great detail and…
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Enhanced coinduction
Promotores: Prof.dr. F.S. de Boer, Prof.dr. J.J.M.M. Rutten (Radboud Universiteit Nijmegen)
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Automata-theoretic protocol programming
Promotor: F. Arbab
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Stochastic and Deterministic Algorithms for Continuous Black-Box Optimization
Continuous optimization is never easy: the exact solution is always a luxury demand and the theory of it is not always analytical and elegant.
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Cognitive Bias in the Judgment of Business Valuations and Valuators
Op 1 april 2020 verdedigde Marc Broekema zijn proefschrift 'Cognitive Bias in the Judgment of Business Valuations and Valuators'. Het promotieonderzoek is begeleid door promotor prof. dr. J.I. van der Rest.
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Eregalerij 2021
In 2021 hebben veel van onze medewerkers en studenten mooie prijzen gewonnen en belangrijke onderzoekssubsidies binnengehaald. Traditioneel blikken we aan het einde van het jaar en bij de start van het nieuwe jaar terug op deze successen.
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Identity, Ethnicity and Political Community
Binnen het onderzoeksprogramma ‘Institutions, Decisions and Collective Behaviour’ richt het onderzoekscluster ‘Identity, Ethnicity and Political Community’ zich op vraagstukken rondom identiteit en diversiteit. De betrokken onderzoekers bestuderen zaken als migratie, immigratie, burgerschap, integratie,…