Jasper de Bie, who obtained his doctoral degree at the Institute of Criminal Law & Criminology and who is currently employed by the Ministry of Security and Justice, has been awarded an honourable third place in the international competition 'TRI Award for the Best Doctoral Dissertation on Terrorism…

Have you ever stood in front of an abstract artwork and thought: “a monkey could have done that!”. As it turns out, you are wrong.

This thesis pioneers diatom molecular identification and quantification through genome-scale methods, with four key aims: (i) reviewing DNA/RNA sequencing methods in aquatic biomonitoring to highlight their strengths and limitations;

Imagining Urban Complexity introduces passionate and critical perspectives on the link between the humanities and urban studies.

This thesis explores how bees and hoverflies are distributed across the Dutch landscape and how ecological and landscape factors shape their occurrence.

The financial system needs complexity theory to predict economic crises like the 2008 meltdown. An international team of scientists, including Leiden physicist Diego Garlaschelli, state this in a paper published in Science on February 19th.

Complex systems can be characterized as systems in which multiple components interact with each other, often in non-linear ways. The main goal of this research will be to investigate if and how the international tax system can be defined and modelled as a complex system. Approaching the international…

Promotor: A. Doelman, Co-promotor: V. Rottschäfer

Multicopper oxidase, laccase, can efficiently reduce oxygen to water and are mostly used in the enzymatic biofuel cells.

Promotor: Prof.dr. E. Bouwman

The Gulf is a major global destination for migrant workers, with a majority of these workers coming from South Asia. In this book, a team of international contributors examine the often-overlooked complex governance of this migration corridor. Going beyond state-centric analysis, the contributors present…

Explaining treatment response variability between and within patients can support treatment and dosing optimization, to improve treatment of individual patients.

Policy Note Insecurity in Burkina Faso – beyond conflict minerals: The complex links between artisanal gold mining and violence

The mechanism of the electrochemical reduction of dioxygen by a mononuclear pyridylalkylamine copper complex was investigated (see picture). It was shown that in neutral aqueous solution dioxygen undergoes stepwise reduction, wherein hydrogen peroxide plays a key role. The rate constants determined…

How can pupils and students learn to get a grip on complex 'swamp situations'? Inaugural lecture in abbreviated form held by prof.dr.ir. Fred Janssen on the acceptance of the post of professor of science education at Leiden University on 19 June 2017.

‘It has never been so easy to set up a Studium Generale series.’ With these words Tilman Grünewald thanked speaker Frank den Hollander, who kicked off the Studium Generale series on complex networks on Monday 20 February.

The project investigates the changing local context of crime dynamics and the responses by selected international organizations and national governments. It places a major emphasis on security management at the trans-national level by investigating intra-regional security cooperation between Latin America,…

For the first time, astronomers have detected the presence of complex organic molecules, the building blocks of life, in a protoplanetary disc surrounding a young star. The discovery reaffirms that the conditions that spawned the Earth and Sun are not unique in the Universe. The results are published…

In this thesis, we extend the concept of null models as canonical ensembles of multi-graphs with given constraints and present new metrics able to characterize real-world layered systems based on their correlation patterns.

Addressing the core novel objective of scalably assessing the impact of possible interventions through counterfactual prediction based on spatio-temporal data.

Solar energy is used by photosynthetic organisms to drive energy required cellular processes. Is absorbed by two groups of pigments, located in the LHCs.

A key challenge in neuroscience is understanding how neurons in hundreds of interconnected brain regions integrate sensory inputs with previous expectations to initiate movements and make decisions.

In this thesis, we focus on novel proteins/mechanisms that regulate integrin-adhesion mediated mechano-transduction.

PhD defence

This dissertation consists of two parts, with the common theme

Promotor: Peter Stevenhagen

This thesis has three main parts. The first part gives an algorithm to compute Hilbert modular polynomials for ordinary abelian varieties with maximal real multiplication. Hilbert modular polynomials of a given level b give a way of finding all of the abelian varieties that are b-isogeneous to any given…

Twelve researchers of our Law School have been awarded an ILS seed money grant. This grant enables researchers to create space for preparing a grant proposal for NWO, ERC or otherwise.

Manufacturers produce high-end technology mostly top-down with large machinery, but small particles are able to build structures by themselves from the bottom up. A major challenge is that these particles easily clump together. Leiden physicist Daniela Kraft has developed a method to use this phenomenon…

The goal of the research presented in this thesis was to explore the chemical space of ruthenium(II) photocages, investigate their ability to host potent chemotherapy drugs, and to red shift the activation wavelength of the most promising PACT candidates to conduct biological studies.

An international team of researchers including Leiden archaeologists has produced convincing evidence that 300,000 years ago pre-Neanderthal people had a high level of cognitive complexity. New insights into early human capabilities and behaviour.

The first successful Leiden Networks day took place on September 23, 2016. Six world-renowned speakers (see photo) in the field of complexity and network science provided their view on the field.

On Friday 23 September 2016 the Leiden Complex Networks Network day, the LCN2 day, will take place in Leiden.

This book is the first comprehensive presentation of the archaeology of Syria from the end of the Paleolithic period to 300 BC.

The largest genus within the Phyllanthaceae family is a group called Phyllanthus L. Recent studies have shown, that Phyllanthus is paraphyletic with the genera Glochidion, Breynia and Synostemon nested within it.

Work started today on the Kolffpad student complex, with 289 flats for students from Leiden University. Stichtnig DUWO will own the building and the University owns the site at the Bio Science Park. The building should be complete by mid-2023.

It's much easier to learn something if you're interested in it. But students' interests are often diverse and wide-ranging, says Sanne Akkerman, Professor of Educational Science. How do you cater for this in your teaching? Inaugural lecture 6 October.

To an algebraic curve C over the complex numbers one can associate a non-negative integer g, the genus, as a measure of its complexity.

This thesis is largely an experimental study on the formation of solid-state simple and complex organic molecules in the H2O-rich and CO-rich ice phases of dense interstellar clouds and dark cores.

Promotor: H.V.J. Linnartz