One of the key discoveries in exoplanet research over the past decade is the abundance of small planets in our Milky Way. Despite their high numbers, our understanding of their atmospheres remains limited, and it is unknown if they possess atmospheres at all.

A New Technology-Based Firm (NTBF) is a significant enabler of job creation and a driver of the economy through stimulating innovation.

Op 17 november 2021 verdedigde Cyril-Igor Grigorieff het proefschrift 'The Regime for International Air Carrier Liability'. Het promotieonderzoek is begeleid door prof.dr. P. Mendes de Leon en prof.dr. V. Correia (University Paris Saclay).

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.

Deelproject van

This thesis investigates how galaxies form and what diversifies the evolutionary histories of galaxies.

Galaxy intrinsic alignments induce a major astrophysical contamination to weak gravitational lensing measurements and need to be modelled and mitigated when extracting cosmological information from such measurements.

Promotor: M.T.M. Koper, Co-promotor: L. Juurlink

In this thesis, we have studied the potential of the zebrafish larval model in studying the ECS, as a complementary model to the existing rodent models.

In this thesis I examine how soil biotic and abiotic characteristics change and interact throughout the course of afforestation and how they subsequently impact tree performance.

Promotor: T.J. Aartsma, Co-promotor: R.N. Frese

The work in this thesis demonstrates how to obtain an atomic-scale picture of a diverse set of complex surface structures observed using STM, under disparate conditions.

Promotor: J.N. Kok, P.E. Slagboom Co-promotor: J.F.J. Laros

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.

Didactiek

This thesis describes the use of bioorthogonal proteins in immunological settings. It provides an introduction towards the field of protein modification, which was used throughout the thesis for the expression of proteins containing unnatural amino acids.

This thesis explores the theoretical and observational properties of distant massive galaxies that harbour active black holes in their centres and shine brightly at radio wavelengths.

Special Issue in: Visual Anthropology, Volume 29, Issue 3, 2016

Promotores: W. Th. F. den Hollander, M.O. Heydenreich

Diverse types of exoplanets such as gas giants on close-in orbits (hot Jupiters) and young massive giants on wide orbits (super Jupiters), with no analogs in the Solar System, pose challenges but also opportunities to our understanding of planet formation and evolution.

The complexity of an intelligence problem determines to a great extent the certainty that can be provided by intelligence and security services.

Deze colleges zijn in het Engels, u kunt vragen stellen en reageren in het Nederlands.

In this work the reconstruction of a tau neutrino signal in the KM3NeT detector is discussed.

In this thesis, single-cell approaches were applied to characterize the impact of aging on the immunological B cell landscape in different models of atherosclerotic cardiovascular disease, with the goal to identify and study new B cell-associated biomarkers and therapeutic targets to halt atherosclerosis…

Many galaxy clusters exhibit bright diffuse radio emission that traces the underlying structure of the intracluster medium (ICM).

The Summer School History of the Book, organized by the Allard Pierson Museum, introduces a new course in English: Introduction to the Archaeology of the Book, taught by Prof. Malcolm Walsby (2-6 September 2024).

The thesis deals with the study of giant radio galaxies (GRGs), which are radio galaxies of megaparsec sizes.

In today's volatile market environments, companies must be able to continuously innovate. In this context, innovation does not only refer to the development of new products or business models but often also affects the entire organization, which has to transform its structures, processes, and ways of…

We have conducted a full spectral line survey of the 3-13 micron region of two massive protostars, AFGL 2591 and AFGL 2136, for the first time at high spectral resolution.

The first congress of the UU Paleohub, 'The Future of Paleography, Paleography of the Future'. 10 april 2025

Promotores: Prof.dr. A.G.G.M. Tielens, Prof.dr. L.B.F.M. Waters (UvA), Prof.dr. C. Dominik (UvA)

Het Leiden University Centre for the Arts in Society (LUCAS) onderzoekt beeldende kunsten, design, film, fotografie, digitale media en literatuur in de westerse wereld.

In this course, you will learn about sustainability and staying with the environmental boundaries of our planet. You will gain an understanding of the effects of growing affluence and population growth, the key challenges we are facing, and ways to influence your direct environment.

Op 27 juni 2019 verdedigde Barry Bussey zijn proefschrift 'The Legal Revolution Against the Accommodation of Religion: The Secular Age v. The Sexular Age'. Het promotieonderzoek is begeleid door promotor prof. dr. P.B. Cliteur.

My work focuses on a class of astronomical objects called protoplanetary disks.

One of the most important correlation functions in physics, especially in cosmology, is the energy density, which describes how much energy is present at each point in spacetime due to matter fields. A key contribution to the energy density of the primordial universe comes from gravitational waves (GWs),…

This thesis aims to enhance our understanding of galaxies by testing theoretical models of galaxy formation against observations, particularly in the cases of extreme systems which have been found to have an excess of baryonic mass in their central regions, in the form of either supermassive black holes…

Op 4 juni promoveert Isabella Steenbergen. Het Leiden University Centre for Linguistics feliciteert Isabella!

Dark matter is one of the biggest mysteries of the Universe. Its properties cannot be explained with the known laws of physics and elementary particles.

The first direct detection of gravitational waves opened the possibility of mapping the Universe via this new and independent messenger.

De masterspecialisatie Global Conflict in the Modern Era van de Universiteit Leiden, betrekt je bij het wetenschappelijk debat over internationale conflicten in het heden en het recente verleden.

G protein-coupled receptors (GPCRs), one of the largest families of membrane proteins, are responsive to a diverse set of physiological endogenous ligands including hormones and neurotransmitters.

In dit proefschrift staat validiteit in de beoordeling van docentcompetenties centraal.

To improve treatment of breast cancer patients it is important to understand all stages of breast cancer from initiation to in situ disease and progression to invasive disease. In this thesis we use intraductal injections of patient derived tissue to model ductal carcinoma in situ and invasive breast…

Hoe beïnvloedt open overheid het publiek vertrouwen?

Calamus javensis is polymorphic. Morphometry and molecular approach resulted in all names used in the complex are regarded as synonyms of C. javensis except C. tenompokensis, which is retained as a distinct species. One variety is here recognized, C. javensis var. polyphyllus (including C. acuminatu…

Beleeft de democratie daadwerkelijk een legitimiteitscrisis? De auteurs toetsen de stelling dat gevestigde democratieën aan legitimiteit inboeten. Voorts bekijken zij in hoeverre bestaande theorieën de legitimiteitscrisis zien en verklaren. Ook onderzoeken zij nieuwe mogelijkheden voor het bestuderen…

Promotie

This thesis investigates the evolution and fate of gaseous exoplanets, which are continuously shaped by stellar activity across both short and long timescales.

Investigating the intercultural connections that shaped practices of knowledge production in colonial Dutch Brazil.