Welke factoren (mens-dimensie en carnivoor-gerelateerd) zijn bepalend voor de menselijke tolerantie ten opzichte van grote carnivoren en voor de overlevingskansen van grote carnivoren in bossen met meervoudig gebruik?

Large carnivore population is globally declining as a result of the fragmentation of habitat, large prey depletion and retaliatory killing by pastoralists.

Large carnivores and humans, along with their livestock, have co-existed for thousands of years. However, human population growth and an increase in economic activities are modifying the landscape for large carnivores and their prey.

Promotor: S.M. Verduyn Lunel

Promotores: F.H.J. Redig, W.T.F. den Hollander

Do Ethiopian wolves change their diet and foraging strategy in the landscape under different land uses? How land use affect Afro-alpine rodent Communities? How important are Afro-alpine natural resources utilisation for local livelihoods? What is the human perception of conflict in the Afro-alpine a…

Promotor: W.Th.F. den Hollander Co-Promotor: F.M. Spieksma

PhD Defence

Why do black holes emit thermal radiation? And how does a closed quantum system thermalize?

What performance criteria does a new technology have to fulfill in order to be added to the list of future energy options and what constraints exist in terms of broad market penetration?

This thesis is divided into two parts. In Part I we study metastability properties of queue-based random-access protocols for wireless networks. The network is modeledas a bipartite graph whose edges represent interference constraints. In Part II we study spectra of inhomogeneous Erdős-Rényi random…

What is the population size and social structure in time and space? What is the lion diet and food preference in time and space? What is the home range (MCP and Kernel) and movement in time and space? What are human – lion conflict and responses of lions to traditional herding in time and space? What…

Promotores: G.R. de Snoo, B. Sinsin, Co-Promotor: H.H. de Iongh

Nieuwe krachtige telescopen, zoals de European Extremely Large Telescope, zullen de atmosferen van aardachtige planeten gaan ontrafelen met behulp van nieuwe waarneemmethoden zoals onder ontwikkeling in Leiden. Zuurstof kan dan mogelijk als eerste bewijs dienen voor buitenaards leven.

Antropoloog Erik de Maaker heeft samen met historica Sanjukta Sundarason een subsidie van het Leidse profileringsgebied Asian Modernities and Traditions gekregen voor onderzoek naar migratie, etniciteit en natie in Zuid-Azië.

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

Even though more than 4000 extra-solar planets are known today, only a small fraction of these has been captured in an image. To better understand the planet formation mechanisms in solar-like environments we started the Young Suns Exoplanet Survey (YSES).

Op 15 November begon Joost Visser als hoogleraar Large Scale Software en Data Science bij het Leiden Institute of Advanced Computer Science (LIACS). Hij zal bij LIACS het software engineering onderzoek leiden en hoofd worden van het master programma ICT in Business and the Public Sector.

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

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…

In this thesis, I studied the origin and evolution of the non-thermal radiation in merging galaxy clusters.

Promotor: Promotor: W.Th.F. den Hollander, Co-promotor: V. Sidoravicius.

Promotor: Prof.dr. W.Th.F. den Hollander, Co-promotor: R. Fernandez.

PhD Defence

Examining if large scale application of new energy pathways can be constrained by materials and emissions.

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.

PhD Defence

Interactive exploration of large volumes of data is increasingly common, as data scientists attempt to extract interesting information from large opaque data sets. This scenario presents a difficult challenge for traditional database systems, as (1) nothing is known about the query workload in advance,…

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

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

The work in this thesis has been focused on two subjects. The first is the assembly of alginate oligosaccharides and the generation of building blocks for the enzymatic synthesis of alginate, and the second is the total synthesis of large fragments of the zwitterionic SP1 polysaccharide.

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

In 2012 bestaat de Europese Zuidelijke Sterrenwacht (ESO) 50 jaar. Om dit te vieren worden wereldwijd activiteiten georganiseerd. Op 5 oktober wordt de ESO-jubileumtentoonstelling geopend in de historische Leidse Sterrewacht. Deze tentoonstelling, met de toepasselijke naam 'Spectaculair Heelal', bestaat…

PhD Defence

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.

Bij de bouw van de ESO-sterrenwacht op Paranal in Chili – een van de grootste en meest geavanceerde telescoopfaciliteiten ter wereld – waren enkele van de knapste wetenschappers en ingenieurs betrokken. Nu hebben de Leidse astronoom Frans Snik en een team van toegewijde helpers dat nog eens dunnetjes…

Balsaminaceae is a diverse plant family characterized by a huge floral morphological diversity.

Promotor: A. Kros

A large diversity of exoplanetary systems has been found, but it is still unclear what drives this diversity.

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

Promotores: Prof.dr. J. Aarts, Prof.dr. J.M. van Ruitenbeek

HEPGAME is a research project that combines the world’s fastest computer algebra system for High Energy Physics equations, FORM, with insights from artificial intelligence. The name combines High Energy Physics and Games.

Promotor: J.N. Kok, Co-Promotor: A.J. Knobbe

Op 7 december 2021 verdedigde Georgina Kuipers het proefschrift 'Beschadigd vertrouwen'. Het promotieonderzoek is begeleid door prof.mr. W. den Ouden en prof.dr. M.A. van der Steen (EUR).

Promotor: Prof.dr. B.R. Katzy