Lecture

Which brain cell does what, when Parkinson's disease arises? It won't be long before this jigsaw is solved piece by piece. Ahmed Mahfouz, computational biologist, combines bio-knowledge from Leiden with algorithms from Delft and is getting closer to finding the key.

This lecture will be hosted on Thursday, 30 October 2025 at 6:00 pm.

Misinformation has emerged as a major societal concern. But why do citizens contribute to the dissemination of falsehoods online?

The debate about state behaviour in cyberspace may be set in the wrong legal key.

Many conflicts in Africa have been studied and described as location and time bound. Yet conflict is rarely confined and contained, and instead reaches across communities, borders, and generations.

How can we solve value conflicts?

An effective and equitable approach to resource conflicts?

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’. Its members investigate the drivers of political conflict and various types of crises. They study how citizens, political institutions and international organizations…

This edited volume explores how artificial intelligence (AI) is transforming international conflict in cyberspace.

If a society is to be secure, sustainable and resilient, conflicting interests must be reconciled. Researchers at Leiden University study the behaviour of individuals, groups and states in relation to this issue, and use their knowledge to promote equality within and between communities.

State fragility and conflict continue to be among the most enduring development challenges of the 21st century. The consequences of fragility and conflict on individuals, States and the international community are profound. At the individual level, an estimated 2 billion people or a quarter of the world's…

The Covid-19 'infodemic' and conflict resolution by internet platforms.

Violence during war often involves upswings and downturns that have, to date, been insufficiently explained. Why does violence at a particular point in time increase in intensity and why do actors in war decrease the level of violence at other points? Duyvesteyn discusses the potential explanatory variables…

NVIC welcomes Ahmed Hassan, a PhD candidate at Indiana University as a guest researcher.

Three Humanities lecturers received the Senior Teaching Qualification (SKO) this year. Lecturer Hossam Ahmed is one of them. What does he think makes for good education?

The specialisation Global Conflict in the Modern Era of the master’s in International Relations at Leiden University engages you with the scholarly debates about global conflict today and in the recent past.

This research project addresses an unexplored dimension of historical conflict resolution: the dynamics of strategic choices made by traders engaged in foreign trade in the city of Danzig (Gdansk) c. 1450-1580, a Hanseatic city under the Polish Crown.

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

While Nietzsche's works and ideas are relevant across the many branches of philosophy, the themes of contest and conflict have been mostly overlooked. Conflict and Contest in Nietzsche's Philosophy redresses this situation, arguing for the importance of these issues throughout Nietzsche's work.

Explore the MSc in Nationalism, Ethnic Conflict and Development at Leiden University: study governance and diversity, choose elective seminars, complete a thesis and optionally an internship.

From Apartheid in South-Africa to 9/11 in the United States: there is not a single culture that is not shaped by the memory of war or conflict. The minor Cultural Memory of War and Conflict focuses on how such memory cultures influence and shape societies today.

The Institute for Philosophy at Leiden University is host to the NWO programme,

Get in touch regarding the MSc Nationalism, Ethnic Conflict and Development at Leiden University, including programme questions and support from the Admissions Office.

Conceptualizing ceasefires as bargaining instruments challenges established ideas about the processes that lead up to conflict settlement, and about war re-emergence, with important implications for our understanding of war and peace.

A better integration of Digital Humanities into study programmes, so that students develop their digital skills as well as possible. That is what Hossam Ahmed wants to achieve in the coming years. He received a senior Comenius Fellowship to develop a digital programme for students.

What are the mechanisms involved in the reconciliation of value conflicts and which interventions are capable of resolving such disputes?

What can we learn from how maritime conflicts were managed in the past? What significance did Maritime Conflict Management have in shaping the standards of diplomacy and international law in pre-modern Atlantic Europe (1200-1600)?

It is widely known that conflict parties engage in ceasefires for a variety of reasons, but how do these reasons relate to the military and political aspirations of conflict party leaders?

Are you thinking about studying Global Conflict in the Modern Era? Learn more and watch the introduction video.

Chat with a current MSc student in Nationalism, Ethnic Conflict and Development at Leiden University to gain firsthand insights into the programme, student life, studying in The Hague, and the application process.

Legal proceedings are often time-consuming, costly and stressful. Accessible out-of-court dispute resolution can sometimes offer a good alternative, but having access to reliable and efficient judicial proceedings remains equally important.

Big Science, commonly defined as conventional science made big in three dimensions, namely organizations, machines, and politics, brings a plethora of different stakeholders together, often for a long period of time. This includes policymakers, scientists, (scientific) managers as well as local “host”…

Explore how to apply for the MSc in Nationalism, Ethnic Conflict and Development at Leiden University: step-by-step guidance including application steps via Studielink, admission criteria, deadlines, documents and next steps.

Maritime conflict management is the regulation of conflict in relation to the sea. It comprises conflict enforcement, conflict resolution and conflict avoidance. How did victims of maritime conflicts claim and obtain damages or demand compensation or reparation?

This new study by professor Peter Hoppenbrouwers focuses on conflict in village communities of late medieval Drenthe in order to depict a typical peasant society in late medieval Europe.