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.

Promotor: H.W. Lenstra

Remco Breuker en Annette van Soest bespreken elke maand achtergronden bij het nieuws over Noord- en Zuid-Korea. Hoe machtig is Kim Jong-un nou echt? Zal Noord-Korea ooit zijn kernwapenarsenaal afbouwen? En hoeveel invloed hebben Zuid-Koreaanse multinationals op het Koreaanse schiereiland? Remco Breuker…

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

De onstuitbare opmars van de N.V. Zuid-Korea

This thesis is about cosmological inflation and its relation to observations.

Promotores: S.J. Edixhoven, F. Andreatta

Het Leiden University Institute for Area Studies (LIAS) wijdt zich aan de bestudering van Azië en het Midden Oosten, vanaf de Oudheid tot het heden.

This thesis studies the geometry of representation varieties and character stacks. These are spaces parametrizing the representations of a finitely generated group, typically the fundamental group of a compact manifold, into an algebraic group G.

Oratie

Promotie

Lezing

This thesis contains results on the arithmetic and geometry of del Pezzo surfaces of degree 1.In Chapter 1 we give the necessary background, assuming the reader is familiar with algebraic geometry.

This thesis describes the antimicrobial discovery strategy developed in our group, the den Hertog Group at the Hubrecht Institute. It includes a cultivation-based screening approach for novel antimicrobial agents from the source of fungi, and a bacterial time-lapse imaging approach for antimicrobial…

Promotie

Promotor: R. Gill, Co-promotor: P. Massart

Donkere materie vormt ongeveer tachtig procent van de totale massa in het heelal. Toch weten we nog steeds niet precies waarvan het gemaakt is. Astronoom Pavel Mancera Piña gaat op zoek naar antwoorden. Met een Veni-subsidie van NWO en de meest geavanceerde telescopen, waaronder de James Webb Space…

Promotor: J.S. Kaastra Co-promotor: E. Constantini

Promotor: Prof.dr. S.F. Portegies Zwart

Rottgering

In this thesis, I study the formation of large-scale structure and the physics of particle acceleration at large scales (~Mpc).

In this thesis new methodologies are developed for the detection and systematic study of radio sources in the early universe. This allows us to gain a deeper understanding of the formation and evolution of galaxies, the activity of supermassive black holes, and the final phase transition of our universe:…

Promotor: Bas Edixhoven, Promotor: Qing Liu

Does knowledge of environmental performance change farmer's behaviour?

Didactiek

The aim of this thesis is to explore the use of Bioorthogonal Antigens to study the cross-presentation pathway.

This thesis consists of three chapters. Each chapter is on a different subject. However, all three chapters address issues that arise in counting arithmetically interesting objects.

Promotor: S.J. Edixhoven, L.D.J. Taelman

Promotie

A substance flow analysis, covering about 99 % of the flows of chlorinated substances in the Netherlands.

Universiteit Leiden is uniek in expertise op het gebied van de taal, cultuur en politiek van Rusland en Eurazië. Rusland heeft een grote invloed op Europa en de wereld. Leidse Rusland-experts zetten zich op allerlei manieren in om actualiteit rond Rusland te duiden en zijn een partner in de Nederlandse…

This thesis consists of three chapters, the first two of which concern division points of elements of the multiplicative group of a number field.

This minor combines the domains of design thinking and technology-enhanced learning and teaching with interdisciplinary group work.

Glucocorticoids are potent anti-inflammatory drugs widely used clinically to treat various inflammatory and immune conditions. However, two main clinical problems limit their use. GCs trigger severe side effects and they induce acquired glucocorticoid resistance, especially during chronic systemic treatment…

Promotor: J. Zaanen

De Leesclub is een subvereniging van ProParte.

The thesis addresses the long-term dynamical evolution of hierarchical multiple systems.

Sterrewacht Leiden is het sterrenkundig instituut van de Faculteit der Wiskunde en Natuurwetenschappen van de Universiteit Leiden.

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.

Lees waar je als student van de Universiteit Leiden terecht kunt voor steun als je die nodig hebt en welke afspraken er gelden voor sociale veiligheid in de online leeromgeving.

Promotie

Promotie

In photoactivated chemotherapy (PACT), a biologically active compound is caged by a light-cleavable protecting group.

We show that Kirchhoff ’s law of conservation holds for non-commutative graph flows if and only if the graph is planar. We generalize the theory of (Euclidean) lattices to infinite dimension and consider the ring of algebraic integers as such a lattice.

Promotor: S.J. Edixhoven Co-promotor: L. van Geemen, P. Parent

Modeling and analysis of cyber-physical systems are still challenging. One reason is that cyber-physical systems involve many different parts (cyber or physical), of different nature (discrete or continuous), and in constant interaction via sensing and actuating.

The skin is our natural barrier and lipids are a key part of this barrier. In the outer skin layer, the stratum corneum (SC), lipids form a densely organized structure dependent on the composition of these lipids.