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.

The future of Europe as a community of democratic states is deeply uncertain. The European Union, founded to promote ‘ever closer’ integration, aims nominally for peaceful, prosperous cooperation. But this ideal has been battered by a series of bruising crises, and now by war.

Conference

Conference

igraph development focused on improving the most-used interfaces, which are Python, R, and Mathematica. Additionally, the developers aim to make the library and the interfaces easier to maintain, focusing on long-term sustainability. This ensures that igraph continues to be a useful tool for network…

The focus will be on recent academic research in Literary Studies at the intersection with Digital Humanities. Lectures and interactive workshops will be given by experts in the field.

The ERC Consolidator project Food Citizens? Collective food procurement in European cities: solidarity and diversity, skills and scale (2017-2022) organizes Conference Friday 4 February and Winter School 24 January to 4 February 2022.

A mere day after setting foot ashore in the Bahamas on October 13th 1492, Christopher Columbus notes the broad foreheads of the inhabitants of the Americas. These permanently altered cranial shapes are deliberately created through the application of pressure to the head of the infant in the first years…

Rising geopolitical tensions are causing states and national elites to innovate their use of the past for present-day political ends. This is certainly true for the People’s Republic of China, which prepares to celebrate its 75th anniversary in 2024 amid mounting superpower rivalry, ideological tensions…

Theoretical physicist Stephen Hawking (76) passed away on 14 March at his home in Cambridge, having been a long-term sufferer of the muscular disease ALS. A number of Leiden scientists look back at the life and scientific career of this world-famous physicist. 'He was very approachable and extremely…

From the discovery of exoplanets to the hunt for extraterrestrial life. At the Astronomy Gala on 17 December in the concert hall in Leiden, astronomers looked back, but above all ahead. With King Willem-Alexander as guest of honour.

VVI Research Meetings 2023-2024

In 2022, Leiden will be the European City of Science. University lecturer Jaap de Jong has created special assignments for the journalism master's students to celebrate this: they will go into the city to visualise knowledge from the city.

On 28 February, Marieke Liem, Associate Professor at the Institute of Security and Global Affairs, appeared as a guest on the Dutch NPO Radio 1 Brainwash Podcast to discuss the 'big homicide questions' she is trying to find the answers to.

A new app provides dynamic predictions of survival for patients suffering from soft tissue sarcoma. It was developed by the mathematical Institute research group DASPO, Data Analysis and Survival for Personalised Oncology.

Evaluations of a most challenging year to both staff and students in terms of teaching and education support have turned out remarkably well. Although we had to switch to online education almost overnight, we pulled it off!

An organized overview of the current global fungal diversity, that is what Irene Martorelli and colleagues try to achieve with the new MycoDiversity Database (MDDB) she builds in collaboration with Naturalis Biodiversity Center. The new database will make it easier and quicker to observe which fungi…

Safety and security risks ranging from cybercrime to terrorism threats are a growing concern worldwide. Technological developments have made security issues increasingly complex. This is typically a topic for the multidisciplinary Leiden-Delft-Erasmus Universities (LDE) curriculum.

Although Islamic State has largely been beaten, for now the Jihad scene in the Netherlands is more than alive. That is what professor Edwin Bakker (terrorism and counterterrorism) recently said in an interview in the Algemeen Dagblad.

On 28 December 2019, Dutch newspaper Trouw published an essay by Constant Hijzen, Assistant Professor Intelligence Studies at the Institute of Security and Global Affairs and the Institute for History. In the essay, he discusses two books on a new genre of espionage: the authors provide access into…

Dirk Huyge (Director) & Wouter Claes (Vice-Director)

The design process of new buildings is extremely complex due to strict requirements. Computer models are used to create the designs. Scientists from LIACS developed advanced algorithms that help their colleagues at Eindhoven University of Technology to optimise these models.

Eveline Crone: 'Many thanks to my amazing Brain and Development Research Center colleagues. I am so thankful for the 15 fantastic years. It is also extremely exciting and energizing to start at Erasmus University Rotterdam with the Society, Youth and Neuroscience Connected SYNClab.'

Mining the unusually rich diaries, memoirs, and poems written by Netherlandish Catholics, Judith Pollmann explores how Catholic believers experienced religious and political turmoil in the generations between Erasmus and Rubens.

The place of European states and institutions in world politics is the core focus of this pillar. Research on this theme concerns European actors’ ability to promote peace, security and justice in their neighbourhood and to shape the future of global governance by translating its economic size into…

In what ways can visual art play a vital role in countering the discriminating stigma experienced by transgender communities?

Researchers are pulled in various, sometimes contradictory directions by the multiplication of performance metrics and new incentives to align with societal needs. Management structures, funding systems, and publication practices are increasingly influenced by pressures to promote only the highest quality…

Doctoral research on the history of the critical visitor and their efforts at founding alternative archives including LGBT+-focused, feminist, disability and digitizing projects, resulting in a traveling exhibition on findings (with audio-guides), popular and scholarly article, and a dissertation.

How did toxin genes evolve from harmless physiological genes?

Recently, Europe was again shaken by some attacks. This ‘Elementair Deeltje’ places terrorism in a historical perspective and gives an up-to-date overview of this form of political violence.

Promotores: G.A. Persoon, H.H. de Iongh

In the past years access to EU law has been significantly enhanced via services such as EUR-Lex. This development not only allows for easy retrieval of individual legal acts, but for collecting information about the evolution of EU law in the aggregate as well.

With both national and international companies operating in the market, the expansion of global platform capitalism raises concerns and critique. To counter a perceived erosion of local authority, various countries, particularly in Europe, have introduced anti-trust legislation against such BigTech…

Cryptocurrencies have exploded onto global financial markets, with the value of a single bitcoin growing from around 800 USD in 2016 to 67,000 USD in 2021.

As a student, Thijs Brocades Zaalberg was primarily interested in diplomacy surrounding conflicts. Through research on peace operations and subsequently the fight against guerrillas, he became increasingly involved with the most violent aspects of colonial warfare. Per 1 September 2024 he is appointed…

The staff of the Master of Laws: Advanced Studies in International Children’s Rights is extremely proud.

By Marieke Liem and Frans Koenraadt. Domestic homicide constitutes an extreme type of interpersonal violence. This book offers a much-needed synthesis of the literature on domestic homicide, covering its history; the theories supporting it; its various forms such as filicide, intimate partner homicide,…

Leiden University is extremely concerned about the situation in Turkey and offers all possible support to its Turkish colleagues.

LCD screens use liquid crystals which have a high degree of order, even though they form a fluid. A new theory maps out the interplay between order, temperature and symmetry. Publication in Physical Review X.

Ross Gildea has won the Institute of Political Science Research Master Thesis Prize 2016. ‘The Political Psychology of Humanitarian Issue (Non-)Adoption in International Politics’ is the crowning achievement of Gildea’s work as a MSc student. The thesis, according to the jury, stands out as a ‘fine…

Graig Klein, assistant professor at the Institute of Security of Global Affairs (ISGA), has been awarded a Starting Grant by the European Research Council (ERC) for his project TERGAP. With this 1.500.000 euro grant Klein and his research team will investigate terrorist groups’ decision-making and strategic…

Marieke Liem, Associate Professor at the Institute of Security and Global Affairs (ISGA), has been interviewed by Trouw about the opinion of the Dutch concerning the threat assessment:

There is too much focus on online radicalisation, says Joe Whittaker, when this is just one of the factors that make someone become a terrorist. In fact, Whittaker’s research shows that terrorists who use the internet are less successful in achieving their goal than those who stay offline. He will defend…

Interdependence, cooperation and strategic autonomy: A (legal) view from the EU

China is actively attempting to silence critical voices about the country, including in the Netherlands. This is the main conclusion of a report on Chinese interference and intimidation within the Dutch media landscape. The media are often not well prepared for this.

No criticism is allowed in Turkey of the mass murder of Armenians that took place a century ago. PhD candidate Alaettin Carikci examined how contemporary artists, authors, film directors and museums have nonetheless found indirect ways of expressing their criticism.