The research aims to explore the evolutionary adaptability of enzymes and the impact of temperature on protein evolution pathways, using M. tuberculosis β-lactamase BlaC as the object of study. Enzymes inherently embody a delicate balance between activity and stability, and the acquisition of new enzymatic…

This project suggests a reconceptualisation of pre- and non-capitalist imperial monetary policy, arguing that the existing literature about imperial financial flows has unnecessarily privileged ideas of largesse and seemingly chaotic monetary distribution.

In this article, Samuels focuses on the active fostering of subjunctivity in processes of narrative worldmaking. Drawing extensively from the narrative of an HIV‐positive woman in Indonesia, she shows that by subjunctively leaving open multiple narrative trajectories and future possibilities, individuals…

This political theory specialisation focuses on the concepts of legitimacy and justice—political philosophy’s core themes. Immersing yourself in theories, philosophical and theoretical methods, and complex cases, you will make the leap from opinion to analysis.

Making a dynamic substance stock model in order to conduct scenario analyses and make forecasts.

This article examines to what extent bureaucratic responsiveness depends upon the source, the content and the salience.

How do you involve a local community to tackle biodiversity loss? How do you create awareness and political movement on climate change? And how do you find a balance between environmental impacts and economic needs when it comes to pollution? These are examples of core questions at the heart of the…

The HJD Book Award is given to the author(s) of the book that best advances the theoretical and/or empirical study of diplomacy.

This book provides the answers, presenting clear insights into the current state of affairs and exploring future prospects.

The Institute of Public Law comprises all areas of public law, with the exception of criminal law, and including labour law.

Indonesian translation of the book Recollecting Resonances from authors Bart Barendregt and Els Bogaerts.

Koper

This book contextualises case studies across a wide variety of languages and cultures, crystallising key interrelationships between linguistic standardisation and prescriptivism, and between ideas and practices. It focuses on different traditions of standardisation and prescription throughout the world…

The world we live in is changing in many aspects at an ever-increasing speed. And it will continue to do so. How do we anticipate these changes, such as the increase in atmospheric CO2, the extinction of species and industrialisation?

Would you like Leiden University to be a more open workplace that recognizes and rewards all contributions, and an institution that creates and shares knowledge more freely with society?

The power of personalized nutrition lies in being able to conduct clinical research on healthy people while capturing metabolic markers sensitive to the impact of environmental and metabolic stressors (e.g. diet, changing sex hormones and the menstrual cycle).

Over time Dutch and Indonesian composers, performers and music scholars have inspired each other and they continue to do so. The presence of the Dutch in the Netherlands East-Indies and Indonesia, but also the existence of large diasporic communities in the Netherlands have contributed to a mutual exchange…

The current hepatitis B vaccines need to be stored and transported under refrigerated conditions (2-8 degrees C). This dependence on a cold-chain is highly challenging in areas where hepatitis B virus infections are endemic.

This edited volume offers a critical discussion of the trade-offs between transparency and secrecy in the actual political practice of democratic states in Europe. As such, it answers to a growing need to systematically analyse the problem of secrecy in governance in this political and geographical…

In this article, Joris Larik and Richard Ponzio grasp the importance of the Summit of the Future to overhaul and strengthen multilateral cooperation in an age of deepening rifts and increasing competition between the great powers. This article argues that a failure to convene a meaningful and ambitious…

Circulating in Brazil's social media today are many vicious attacks against presidential candidate Luiz Inácio Lula da Silva, known simply as Lula. Widely and enthusiastically shared memes humiliate Lula by depicting him as a poor, uneducated drunkard who deserves to be in jail, thus criminalizing his…

In this article Vanessa Newby discusses how the ANZUS states of United States, Australia, and New Zealand that sit on the fringes of the Asia-Pacific, are increasingly using their armed forces to deliver Humanitarian Aid and Disaster Response (HADR) as a way of engaging with the region.

The HJD Article Award is given to the published research article which best advances the theoretical and/or empirical study of diplomacy.

A plasma is an ionized gas with very low electrical resistivity. As such, magnetic field lines are 'frozen in' and move with the fluid. Magnetic field lines that are linked, knotted and tangled, cannot be undone by the fluid motions.

The Role and Effectiveness of the G20. In this article, published in The Changing Global Order part of the United Nations University Series on Regionalism book series, author Jaroslaw Kantorowicz discusses the evolution of the G20.

In order to realise high quality valorisation of scientific research, eLaw practices valorisation activities during all stages of its research, i.e., not only after finishing research, but also prior to and during research.

This article discusses the impact of symbolic gender representation on the willingness of citizens to coproduce.

Consensus and harmony or balance and reciprocity?

We present an extensive study of methods for exactly solving stochastic constraint (optimisation) problems (SCPs) in network analysis. These problems are prevalent in science, governance and industry.

This specialisation offers a structured, challenging curriculum balancing substantive and skills-oriented courses, including a number of elective seminars, plus a research thesis.

How do you involve a local community to tackle biodiversity loss? How do you create awareness and political movement on climate change? And how do you find a balance between environmental impacts and economic needs when it comes to pollution? These are examples of core questions at the heart of the…

This specialisation offers a structured, intensive curriculum balancing substantive and skills-oriented courses, including a number of elective seminars, plus a research thesis.

Lecture, European Union Seminar

Promotor: Prof.dr. M. Ubbink

'Re-territorialising skills? Insights from ethnography on solidarity-economy food activism' is written by Cristina Grasenni and published in the Special Feature: Original Article Agriculture (re‐)territorialisation: Balancing the promotion of local products and international trade in Europe.

In this article, Jeanine de Roy van Zuijdewijn and Edwin Bakker provide a big picture reflection on two decades after 9/11 in Western Europe.

The debate in Europe about digital sovereignty, technological sovereignty, data sovereignty and strategic autonomy has been building over recent years at both the EU level and the level of individual Member States. The different concepts – and their diverse interpretations – cover the sovereignty concerns…

This project aims to explore, in general, what explains civil servants’ attitudes and behavior, and, in particular, why some civil servants are more committed to professional norms and public service values – such as impartiality, equity, efficiency, and innovation – than others.

The Cyber Security Governance research group contributes significantly to the educational programmes at Leiden University. By integrating cutting-edge research into the classroom, we ensure that students engage with the latest developments in the field of cyber security, governance, and ethics.

On the 4th of June, Andreas Joswig successfully defended his doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Andreas on this great result.

Our research group Intelligence and Security, provides a diverse range of educational opportunities that combine theoretical foundations with practical applications in intelligence and security.

Playing a musical instrument is generally considered to be a complex human behaviour involving the integration and coordination of a broad range of human functions such as perception, imagination, memory, information processing, emotion, communication, and dexterity.

On 19 May 2020, Xuechan Ma defended her thesis 'Moving towards Coexistence and Cooperation: The Spratly Islands and International Law'. The doctoral research was supervised by Prof. N.J. Schrijver.

This PhD-thesis presents a study on micron-sized particles, so-called colloids. By controlling the chemical and physical properties of these particles, such as the interparticle interaction and the particles’ shape, colloids can act as building blocks that self-assembly into larger structures.

This book examines the history of The Netherlands in a way that connects global processes to local developments.

Multi-objective optimization is an effective technique for finding optimal solutions that balance several conflicting objectives. It has been applied in many fields of our world, because practical problems usually have more than one desired goal. For example, developing a new vehicle component might…

Microbial rhodopsins are photosensitive pigments implemented in the growth and adaptation of a large population of microorganisms.