893 zoekresultaten voor “war on drugs” in de Publieke website
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Essays on wealth, health, and data collection
Op 21 november 2018 verdedigde Lieke Kools haar proefschrift 'Essays on wealth, health, and data collection'. Het promotieonderzoek is begeleid door promotoren prof. dr. K.P. Goudswaard en prof. dr. C.L.J. Caminada.
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On the geometry of fracture and frustration
Promotor: Prof.dr. M.L. van Hecke, Co-Promotor: V. Vitelli
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Physics implications of shape on biological function
Shape and biological function are tightly connected. Physical descriptions are used to connect the shape of a biological system with its function.
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Split Jacobians and Lower Bounds on Heights
This thesis deals with properties of Jacobians of genus two curves that cover elliptic curves.
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On the optimization of imaging pipelines
In this thesis, topics relating to the optimization of high-throughput pipelines used for imaging are discussed. In particular, different levels of implementation, i.e., conceptual, software, and hardware, are discussed and the thesis outlines how advances on each level need to be made to make gains…
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Essays on Welfare Benefits, Employment, and Crime
Op 20 januari 2022 verdedigde Marco Stam het proefschrift 'Essays on Welfare Benefits, Employment, and Crime'. Het promotieonderzoek is begeleid door prof.dr. M.G. Knoef.
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Open-source research and the war in Ukraine: intelligence for the people by the people?
Who are open-source intelligence activists and how reliable are their contributions to public understanding of Russia’s war in Ukraine?
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On the Galois closure of commutative algebras
Promotores: H.W. Lenstra, B. Erez, Co-promotor: L. Taelman
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Positive representations on ordered Banach spaces
Promotor: A. Doelman, Co-promotor: M.F.E. de Jeu
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The Regional Network on the Synergy between the Convention on Biological Diversity and the UN Convention to Combat Desertification
Description of The Regional Network on the Synergy between the Convention on Biological Diversity and the UN Convention to Combat Desertification.
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On Products of Linear Error Correcting Codes
In this thesis we study products of linear error correcting codes.
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On the computation of norm residue symbols
An algorithm is discussed to compute the exponential representation of principal units in a finite extension field F of the p-adic rationals.
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Breeding birds on organic and conventional arable farms
Promotor: G.R. de Snoo
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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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Casting light on the ƞ Carinae puzzle
Promotor: Prof.dr. V. Icke, Co-Promotor: T.I. Madura
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A new window on the Universe
Rottgering
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On transport properties of Weyl semimetals
Promotor: C. W. J. Beenakker, Yu. V. Nazarov, Co-promotor: J. Tworzydlo
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Tangent fermions: massless fermions on a lattice
In some condensed matter systems, such as the surface of a 3D topological insulator, the electrons are effectively massless and we must necessarily use the massless Dirac equation to describe them.
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Evani Lachmansingh
Wiskunde en Natuurwetenschappen
e.t.lachmansingh@liacs.leidenuniv.nl | +31 71 527 2727
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Alexander Kros
Wiskunde en Natuurwetenschappen
a.kros@chem.leidenuniv.nl | +31 71 527 4234
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Chemical reactivity of O2, CO and CO2 on Cu surfaces
Despite the history of studies on methanol formation from CO2, the dominant elementary reaction steps that constitute the chemical mechanism for this catalyzed process are not determined.
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Nano shapes micro : Impacts of metallic nanoparticles on microbial communities
This thesis aimed to investigate the impact of exposure dynamics, relative contributions of ENPs(particle) and ENPs(ion), and dosing regimens on the toxicity of ENPs varying in different physico-chemical properties, on the composition and functioning of soil microbial communities.
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Unsprayed field margins: effects on environment, biodiversity and agricultural practice
A management strategy has been developed for field margins to reduce pesticide drift to non-target areas and to promote biodiversity on arable land. To this end, 3 and 6 m wide strips along the edges of winter wheat, sugar beet and potato crops have been left unsprayed with herbicides and insecticides…
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Philosophical Perspectives on Politics and the Economy (MA)
De masterspecialisatie Philosophical Perspectives on Politics and the Economy van de Universiteit Leiden was voorheen bekend onder de naam Philosophy, Politics and Economics.
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Topologies and convergence structures on vector lattices of operators
This thesis consists of three papers that are centered around the common theme of Hausdorff uo-Lebesgue topologies and convergence structures on vector lattices and on vector lattices and vector lattice algebras of order bounded operators.
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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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Tautological differential forms on moduli spaces of curves
In this thesis we study the moduli space of genus g curves, and the differential forms that occur naturally on this moduli space.
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Topological aspects of rational points on K3 surfaces
Promotor: P. Stevenhagen, Co-promotor: R.M. van Luijk
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Effects of glufosinate-ammonium on off crop vegetation
Description of Effects of glufosinate-ammonium on off crop vegetation.
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On the Emergence of the Energy Transition
The energy system is at the heart of two of the greatest challenges of the 21st century: decreasing CO2 emissions to meet the ambitions of the Paris agreement while fulfilling the growing energy demand associated with the economic aspirations of a growing world population.
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Temperature effects on genetic and physiological regulation of adaptive plasticity
Promotor: P.M. Brakefield
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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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Surface Temperature and the Dynamics of H2 on Cu(111)
Heterogeneous catalysis is one of the fundamental processes of modern life, being common in industrial refinery and hydrogen vehicles, all the way to the living cell. The dissociation of H2 on Cu(111) is an important benchmark system for studying heterogeneous catalysis, with a large and varied amount…
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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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Triblock polypept(o)ides for siRNA delivery: unique polymeric designs for versatile carrier systems
Utilizing the polymeric platform of polypept(o)ides, this thesis describes synthesis and investigation of novel triblock copolymers to obtain carrier systems with multiple compartments for efficient siRNA delivery. Although the individual microstructure of nanoparticles differs depending on the polymeric…
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Postdoc on Law, Robots & Society (0.8-1.0 FTE)
Rechtsgeleerdheid, Instituut voor Metajuridica, eLaw - Centrum voor Recht en Digitale Technologie
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Selective and efficient electrochemical CO2 reduction on nanostructured catalysts
Promotor: M.T.M. Koper, Co-Promotor: L.B.F. Juurlink
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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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Impact of plant domestication on spermosphere and rhizosphere microbiome composition
Microbiome composition of the spermosphere and the rhizosphere of wild and modern bean accessions grown in an agricultural and a native soil from Colombia was characterized by metagenomics and cultivation-dependent approaches.
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Mononuclear spin-transition materials based on the bapbpy scaffold
Promotor: Prof.dr. E. Bouwman, Co-Promotor: S. Bonnet
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Dreaming of You: A Writing Course on Crushes
Kunst en vrije tijd, Kunst en vrije tijd
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EuDEco Report on the legal analysis (D2.2)
D2.2 comprises the in-depth legal analysis of the initial heuristic model, focused on addressing, in more detail, the main legal concerns for data reusers in the European data economy. This detailed analysis of the legal propositions presented in D2.1 is supplemented by an analysis of the technological,…
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Electrocatalytic reduction of CO2 and nitrate on immobilized metal porphyrins
M.T.M. Koper, Co-promotor: D.G.H. Hetterscheid
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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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The effects of burying beetle social behaviours on interspecific interactions
This ecological community has long been known to affect host biology, and their diverse roles have been further clarified in recent years following numerous studies of animal:microbiota interactions in diverse systems.
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Soil legacy effects on aboveground plant-insect interactions
In this thesis, the role of plant-mediated soil legacy effects in shaping aboveground plant-insect interactions was investigated.
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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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Fundamental research on the voltammetry of polycrystalline gold
Voltammetry plays a crucial role in modern scientific research by offering valuable insights into the electrochemical properties of materials, with wide-ranging applications in fields such as materials science, energy storage, corrosion studies, and sensor development.
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Postdoctoral Researcher on Actor-level Global Food System Footprinting
Wiskunde en Natuurwetenschappen, Centrum voor Milieuwetenschappen Leiden (CML)
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On topological properties of massless fermions in a magnetic field
Make more fluid: In condensed matter systems, electrons can acquire unusual properties from their interaction with the atomic lattice.