Promotie

In astronomy, the interpration of observations and measurements plays a crucial role: we rely purely and fundamentally on the information that reaches us as observers. And 80% of all matter in the universe is undetectable directly.

Op 1 januari startte de research group Physical Violence and Public Order. Als voormalig onderdeel van de groep Terrorism and Political Violence, richt de nieuwe onderzoeksgroep zich op geweld variërend van school shootings zoals Columbine en Virginia Tech, tot aan huiselijk geweld, alcoholgerelateerd…

Op vrijdag 23 april verscheen Jorrit Rijpma voor de Working Group on Frontex Scrutiny van het Europees Parlement. Deze werkgroep is opgericht door de Commissie burgerlijke vrijheden, justitie en binnenlandse zaken (LIBE) van het Europees Parlement, als reactie op de beschuldigingen van serieuze schendingen…

Samen met wetenschappers van over de hele wereld streeft de ENIGMA-Anxiety Werkgroep ernaar om meer inzicht te krijgen in de neurobiologische karakteristieken van angststoornissen.

This thesis describes the design and synthesis of fragments of various cell wall carbohydrates of the Streptococcus species, including the branched Group B-specific antigen (GBC) of Group B Streptococcus, glycerol phosphate (GroP) modified group A carbohydrate (GAC), and the O-acetylated type 1 capsular…

Materials balances have been used in the recent past for the analysis of substance oriented environmental problems and the formulation of measures for environmental policy. In this study an integrated tool, based on the materials balance principle, has been developed for the analysis of both environmental…

1: What is the relative importance of alfa and beta biodiversity in polar ecosystems, and how does intraspecific variation influence this? 2: How can we use remote sensing to determine functional biodiversity (within communities) in polar ecosystems? 3: Temporal and spatial scales of functional biodiversity:…

Galaxies form and evolve through close interaction with their surroundings. As a result, the heavy elements ('metals') that are synthesized in stars, are found both inside and outside galaxies.

The Vallesian, 11.1-9 Ma, was a special time in the Vallès-Penedes basin near Barcelona, where a biodiversity hotspot existed. Europe had a subtropical climate, with rhinos, forest giraffes, lions, hyenas, flying squirrels and primates.

Artin L-functions associated to continuous representations of the absolute Galois group G_K of a global field K capture a lot of information about G_K as well as arithmetic properties of K.

I have studied the hot, diffuse gas around and between galaxies. Specifically, I have used the EAGLE numerical simulations of galaxy formation to predict the properties of this gas, and I have used those properties to predict specific observables: soft X-ray absorption and emission lines.

To get an idea of the science communication products and research that is possible, a few examples of student projects of recent years are shown below.

Galaxies form and live inside dark matter haloes. As a consequence, they are exposed to the tidal fields generated by the surrounding matter distribution: this imprints a preferential direction to the galaxy shapes, which leads to a coherent alignment on physically close galaxies, called intrinsic a…

Following the Big Bang, structure in the Universe started collapsing under the force of gravity. This resulted in the formation of the first stars, galaxies and clusters of galaxies.

Het Verenigd Koninkrijk heeft het Russische huurlingenleger Wagner Group vandaag geoormerkt als terroristische organisatie. Edwin Bakker, hoogleraar Terrorisme en Contraterrorisme, vertelt bij BNR waarom de Wagner Group hier niet van wakker gaat liggen.

Improvements of weak gravitational lensing shape measurements are presented and some used for data analysis.

In this thesis three different topics in number theory are studied.

Does knowledge of environmental performance change farmer's behaviour?

How were the Russians, under early modern conditions, able to incorporate this distant, undeveloped and, because frequent nomadic attacks, dangerous territory? And what role did the Kolyvan-Voskresensk plants play in this process?

De Event Horizon Telescope (EHT)-collaboratie ontvangt de 2021 Royal Astronomical Society Group Achievement Award. In april 2019 presenteerde het EHT-team de eerste foto van de schaduw van een zwart gat ooit. De Leidse hoogleraar Huib-Jan van de Langevelde is sinds vorig jaar directeur van EHT. Drie…

Mariëlle Bruning, hoogleraar jeugdrecht, is namens Nederland verkozen tot lid van de Expert Group Responses to violence against children (CAHENF-VAC) welke is opgezet om de Ad Hoc Committee for the Rights of the Child (CAHENF) van de Raad van Europa te assisteren.

The research group Politics, Culture and National Identities 1789-present investigates a wide range of national political cultures in Europe and the Americas in the 19th and 20th centuries. Instead of only analyzing high politics (the acts of governments and political parties), the research group focuses…

Glycoconjugate vaccines are composed of microbial poly- or oligosaccharides covalently linked to a carrier protein.

Sinds oktober 2024 is Jannemieke Ouwerkerk, hoogleraar Europees Strafrecht, toegetreden tot de Expert Group on EU Criminal Policy van de Europese Commissie (EC). Deze onafhankelijke adviesgroep richt zich op het versterken van coherentie en consistentie van het EU-strafrechtbeleid.

In oktober werd Sophie Starrenburg gekozen tot lid van het coördinerende comité van de ESIL ‘Interest Group on the International Law of Culture’. Ze zal hierin samenwerken met Giovanni Carlo Bruno (Italian National Research Council), Andrzej Jakubowski (Polish Academy of Sciences) en Lucas Lixinski…

Simone van der Hof, hoogleraar Recht en Digitale Technologie bij eLaw, is als expert toegetreden tot de EU Special Group on Code of Conduct for age-appropriate design.

Promotores: B. Erez, P. Stevenhagen, Co-Promotor: B. de Smit

Hoogleraar Financieel Recht Matthias Haentjens is recent benoemd tot lid van een Expert Group van de Europese Commissie over een Europees stelsel van conflictregels ten aanzien van effecten en vorderingen. Deze deskundigengroep heeft tot doel het bijstaan van de Commissie in haar werk om te komen tot…

Within the field of astronomy, understanding how galaxies grow and evolve from the Big Bang to the present day is a challenging and complex question.

Promotor: J. Schaye

Three major cosmology-focused missions are planned for the next decade: the Euclid space telescope, the Vera C. Rubin Observatory in Chile, and the Nancy Grace Roman Space Telescope.

The work presented in this thesis is based on ALMA surveys of protoplanetary disks in three star-forming regions: Lupus, OMC-2, and NGC 2024.

Description of Development of a low cost technology for in-situ treatment of groundwater for potable and irrigation purposes (TiPOT) (2004 - 2007)

What is the population size/structure and distribution of tiger and leopard inside the Bardia National Park (BNP) compared with the population outside? What is the movement and home range and conflict pattern in time and space of tigers and leopards inside the BNP compared with outside? What constitutes…

Promotor: Prof.dr. M. de Jong

Promotie

Promotie

Promotor: P. T. de Zeeuw, Co-promotor: N. Neumayer; G. van de Ven

Promotor: Prof.dr. H. J. A. Röttgering, Co-Promotor: M. Haverkorn

Organic molecules in interstellar space are important as they influence the structure of galaxies and star formations. Studying catalytic processes in space allows us to understand how molecular species are formed and chemically evolved in the interstellar medium and solar system objects.

What holds people together and what makes them willing to fit within larger political structures? Our project examines this question in the practices of dynastic rulership in Eurasia ca. 1300-1800.

The Low Frequency Array enables studies of low-frequency carbon radio recombination lines with unprecedented sensitivity, spectral and spatial resolution.

Promotor: H.W. Lenstra

This thesis takes steps toward understanding the interaction between gas-phase and solid-state molecules in star- and planet-forming regions.

In this thesis integral points on affine del Pezzo surfaces are studied.

Some examples of research questions include: What framework of circular strategies should local practitioners use? How should practitioners organize their monitoring of the circular economy activities in the region of interest? What are the main products that have the most circular potential in the…