Stochastic resetting is simple enough to be approached analytically, yet modifies stochastic processes in a non-trivial way.

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.

This thesis explores Breaking of Ensemble Equivalence (BEE) in random graph models by examining the spectral properties of adjacency matrices. The goal is to identify spectral characteristics that differentiate random graph ensembles, enhancing the understanding of complex network structures and beh…

Fase 2A van het Gorlaeus Gebouw wordt, net als fase 1, duurzaam gebouwd.

Promotor: Prof.dr. M. de Jong

The endophytic microbiota is a community of various microorganisms that reside in plant tissue. These microbes are known to promote plant health and resilience, and their members do not simply exist side by side.

This thesis describes the implementation and on-sky demonstration of high-resolution integral-field spectroscopy for extreme adaptive optics systems that are used to find and characterize exoplanets.

Dit onderzoek gaat over hoe literaire vertalers en journalisten reageren op en omgaan met machinevertaalde metaforen, en wat de gevolgen daarvan zijn voor de beroepspraktijk.

Arithmetic geometry concerns the number-theoretic properties of geometric objects defined by polynomials. Mathematicians are interested in the rational solutions to these geometric objects.

Promotor: Prof.dr. C.W.J. Beenakker

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.

The radio sky harbours both galactic and extragalactic sources of arcminute- to degree-scale emission of various physical origins. To discover extragalactic diffuse emission in the Cosmic Web beyond galaxy clusters, one must image low–surface brightness structures amidst a sea of brighter compact fore-…

Sterrenkundigen onder leiding van John Tobin hebben dankzij nieuwe waarnemingen, verricht met de Amerikaanse Very Large Array-radiotelescoop (VLA), meer inzicht verkregen in het geboorteproces van meervoudige sterren.

Promotor: A. Achúcarro, Co-Promotor: G.A. Palma

The ongoing increase in antimicrobial resistance combined with the low discovery of novel antibiotics is a serious threat to our health care.

Streptomyces are filamentous bacteria that produce more than two-thirds of known antibiotics.

Radiography is an important technique to inspect objects, with applications in airports and hospitals. X-ray imaging is also essential in industry, for instance in food safety checks for the presence of foreign objects.

In this thesis we push the boundaries of high-resolution imaging at radio frequencies between 100 and 200 MHz. Using the International LOFAR Telescope that spans across Europe we achieve sub-arcsecond angular resolution.

Promotor: K.E. Schalm, Co-promotor: S.S. Lee

DNA carries various forms of information. Out of these forms of information the most well-known is classical genetic information.

In this dissertation, the synthesis and characterization of a series of iron complexes based on different ligand platforms are described.

Single-molecule spectroscopy has become a powerful method for using organic fluorescent molecules in numerous applications.

Membrane fusion is a vital process in living organisms and is mediated by zipper-like proteins.

Promotor: Prof.dr. I.A.G. Snellen, C.U. Keller

The four possible segments A, T, C and G that link together to form DNA molecules, and with their ordering encode genetic information, are not only different in name, but also in their physical and chemical properties.

The field of exoplanet research is rapidly advancing through the development of new technology, observing techniques, and post-processing methods.

This thesis explores Breaking of Ensemble Equivalence (BEE) in random graph models by examining the spectral properties of adjacency matrices. The goal is to identify spectral characteristics that differentiate random graph ensembles, enhancing the understanding of complex network structures and beh…

Kidney transplantation is a major advance of modern medicine. This course will give you state of the art updates about what used to be an experimental, risky, and very limited treatment option more than 50 years ago and is now routinely performed in many countries worldwide.

Een internationaal team van astronomen, onder wie drie Leidse sterrenkundigen, hebben een sterrenstelsel ontdekt op een recordafstand van 13,4 miljard lichtjaar. Het stelsel, dat in de richting van het sterrenbeeld Grote Beer staat, is uitzonderlijk helder, waardoor het mogelijk was het op deze recordafstand…

Leidse sterrenkundige Mariska Kriek is te zien in een recente Klokhuis-aflevering. Kriek legt aan presentator Pascal uit wat we met de James Webb Space Telescope allemaal kunnen ontdekken.

Optical cavities are useful tools to enhance the interaction between light and matter, which is important to make good quantum emitters. However, it turns out that the cavities themselves (without any quantum emitters) are already interesting objects to study.

Promotor: Arjen Doelman, Co-promotor: Vivi Rottschäfer

Online cursus The Importance and Power of Music in our Society

Promotor: M. Franx, Co-Promotor: I.F. Labbé

Promotores: Prof.dr. J. Schaye & Prof.dr. C. Steidel (California Institute of Technology)

Promotor: Prof.dr. C.U. Keller

De Universiteit Leiden staat midden in de maatschappij en wil bijdragen aan een duurzame samenleving. Verduurzaming van gebouwen levert een bijdrage aan Nederlandse en Europese milieunormen. De Universiteit Leiden houdt daar in al haar bouwprojecten rekening mee.

Promotor: A. Achúcarro, Co-promotor: A. Boyarsky

Promotores: Prof.dr. C.A.J. Knibbe, Prof.dr. M. Danhof, Prof.dr. K. Allegaert (Leuven)

Striga hermonthica, commonly known as witchweed, infests major cereal crops in Sub-Saharan Africa causing severe yield losses and threatening the livelihood of millions of resource poor farmers.

Promotor: A. Kros

Mechanical forces are known to play an important role in bacterial colonies. In this dissertation, we study the self-organization at various stages of growing bacterial colonies, and focus on the mechanical effects of cell growth.

Promotor: G.R. de Snoo, Co-promotor: C.J.M. Muster