479 zoekresultaten voor “first 20world 20war” in de Publieke website
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Isogeny graphs, modular polynomials, and applications
This thesis has three main parts. The first part gives an algorithm to compute Hilbert modular polynomials for ordinary abelian varieties with maximal real multiplication. Hilbert modular polynomials of a given level b give a way of finding all of the abelian varieties that are b-isogeneous to any given…
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Dawn of the red and dead: stellar kinematics of massive quiescent galaxies out to z = 2
Promotores: Prof.dr. M. Franx, Prof.dr. M. Kriek (Univ. of California at Berkeley)
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Computability of the étale Euler-Poincaré characteristic
Promotor: S.J. Edixhoven, L.D.J. Taelman
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Harnessing zebrafish xenograft models for ocular melanoma treatment discovery
The aim of this thesis was to develop novel treatment strategies for different types of eye melanoma utilizing zebrafish models. We first establish orthotopic and ectopic xenograft models for uveal and conjunctival melanoma by engraftment of the immortalized cells derived from these tumors into zebrafish…
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Assessing global regionalized impacts of eutrophication on freshwater fish biodiversity
Freshwater biodiversity has been threatened by eutrophication due to excessive nutrients in the environment. Releasing the freshwater species from such pressures requires efforts from industry and manufacturers to avoid emissions to vulnerable and high-risk regions.
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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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Chasing cosmic tau neutrinos in the abyss
In this work the reconstruction of a tau neutrino signal in the KM3NeT detector is discussed.
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Torsion points on elliptic curves over number fields of small degree
Promotor: S.J. Edixhoven Co-promotor: L. van Geemen, P. Parent
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Human Evolution
This multidisciplinary minor provides students with knowledge on how and why humans became the way they are. The minor focuses on the evolution of the species Homo sapiens from other hominin lineages and animal ancestors, and on the various factors shaping this process. Not only is human evolution of…
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Hunting for new physics in the primordial Universe
This thesis contributes to studying primordial cosmology theories and their detectability in future observations.
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The Four Principles of Radicalisation Studies in the Twenty-First Century
Oratie
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Derde bijeenkomst van het studentennetwerk Being the First van de Universiteit Leiden
Themabijeenkomst Being the First
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Toelating en aanmelding
Ben jij geïnteresseerd in de minor Journalistiek en Nieuwe Media? Lees hieronder meer over de aanmeldprocedure!
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Toelating en aanmelding
Ben jij geïnteresseerd in de minor Chinese Economy and Society? Lees hieronder meer over de aanmeldprocedure!
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Studieprogramma
In deze masterspecialisatie volg je naast de Nederlandstalige kerncursus en scriptieseminar een aantal Engelstalige vakken en keuzeseminars. In het programma is naast de politiekwetenschappelijke inhoud ook aandacht voor onderzoeksvaardigheden.
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Toelating en aanmelding
Ben jij geïnteresseerd in de minor Boek, boekhandel en uitgeverij? Lees hieronder meer over de aanmeldprocedure!
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Toelating en aanmelding
Ben jij geïnteresseerd in de minor Cybersecurity & Cybercrime? Lees hieronder meer over de aanmeldprocedure!
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Toelating en aanmelding
Ben jij geïnteresseerd in de minor De (on)rechtmatige samenleving? Lees hieronder meer over de aanmeldprocedure.
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A study on PsbS and its role as a pH sensor
Solar energy harnessed by plants and algae has great potential to be converted into biofuels for future generations.
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Algebraic techniques for low communication secure protocols
Promotor: R. Cramer
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When galaxy clusters collide: the impact of merger shocks on cluster gas and galaxy evolution
Promotor: Prof.dr. H.J.A. Rottgering
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Arithmetic of affine del Pezzo surfaces
In this thesis integral points on affine del Pezzo surfaces are studied.
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Mechanical Response of Foams: Elasticity, Plasticity, and Rearrangements
Promotor: M.L. van Hecke
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Diagnosis and treatment of obese children with insulin resistance
Promotors: C.A.J. Knibbe, Anthonius de Boer, Co-promotor: M.M.J. van der Vorst
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On the 16-rank of class groups of quadratic number fields
Promotores: P. Stevenhagen, E. Fouvry (Univeriste Paris Saclay)
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Two-photon multifocal microscopy for in vivo single-molecule and single-particle imaging
In this thesis we investigated the ability of two-photon multifocal microscopy for single-molecule microscopy in live cells and organisms.
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This is life: some thoughts on self-organized structure formation in active liquids and biological systems
It has been a long-standing mystery how complex biological structures emerge from such seemingly uncoordinated building blocks as cells and tissues, in the presence of only minimal environmental guidance.
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Tracing the journey of the sun and the solar siblings through the Milky Way
Supervisor: S.F. Portegies Zwart Co-Supervisor: A.G.A. Brown
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Molecules during stellar formation and death
Promotor: Prof.dr. E. F. van Dishoeck
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Enriching official economic statistics using data-driven modelling techniques
Netherlands Statistics (CBS), Leiden University and the University of Amsterdam have started a collaboration in the form of a research project titled 'Enriching official economic statistics using data-driven modelling techniques'.
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X-ray spectroscopy of merging galaxy clusters
This thesis focuses on the X-ray spectral analysis of merging galaxy clusters and the plasma code development for future high-resolution X-ray spectroscopy observations.
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Disentangling a complex genus: systematics, biogeography and bioactivity of the genus Phyllanthus L. and related genera of tribe Phyllantheae
The largest genus within the Phyllanthaceae family is a group called Phyllanthus L. Recent studies have shown, that Phyllanthus is paraphyletic with the genera Glochidion, Breynia and Synostemon nested within it.
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Shining Light on PAHs in Space
Polycyclic aromatic hydrocarbons (PAHs) are the most abundant class of organic compounds in space. The PAH field evolves from the constant interaction between experimentalists, theorists, modellers and observers. While laboratory research and quantum chemical calculations together set up the molecular…
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Predicting the future: Predictive control for astronomical adaptive optics
The field of exoplanet research is rapidly advancing through the development of new technology, observing techniques, and post-processing methods.
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On some classes of modules and their endomorphism rings
Promotores: Prof.dr. H Lenstra, Prof.dr. A Facchini (Padova University)
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The ecological relevance of chemical diversity in plants
Promotor: P.G.L. Klinkhamer, Co-Promotores: K. Vrieling, P.P.J. Mulder
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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.
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Groups and fields in arithmetic
Promotor: Prof.dr. H.W. Lenstra
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Convergent molecular evolution of toxins in the venom of advanced snakes (Colubroidea)
The explosive radiation and diversification of the advanced snakes (superfamily Colubroidea) was associated with changes in all aspects of the shared venom system. Morphological changes included the partitioning of the mixed ancestral glands into two discrete glands devoted for production of venom ormucous…
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Better Predictions when Models are Wrong or Underspecified
Promotor: P.D. Grünwald
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Credible sets in nonparametric regression
Promotor: Prof.dr. A.W. van der Vaart
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Logarithmic approach to the double ramification cycle
This thesis discusses several questions regarding the double ramification cycle as a Chow class on the moduli space of stable n-pointed genus g curves using tools from so-called logarithmic geometry.
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Large scale visual search
Promotor: J.N. Kok, Co-promotor: M.S. Lew
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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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Complex multiplication of abelian surfaces
Promotor: Peter Stevenhagen
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Bayes and Networks
Promotor: A.W. van der Vaart
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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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Current challenges in statistical DNA evidence evaluation
Promotor: R.D. Gill, F. Taroni
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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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Non-equilibrium chemistry and cooling in simulations of galaxy formation
Promotor: J. Schaye