The Lorentz Center organises public events with lectures by internationally renowned scientists.

We prove a p-adic version of the work by Gross and Zagier on the differences between singular moduli by proving a set of conjectures by Giampietro and Darmon, who investigated the factorisation of a rational invariant associated to a pair of CM-points on a genus zero Shimura curve, obtained as the ratio…

Assuming everywhere good reduction we generalize the class number formula of Taelman to Drinfeld modules over arbitrary coefficient rings.

The availability of indicators based on social media has opened the possibility to track the online interactions between social media users and scholarly entities.

This study helped to identify and summarize how value-based healthcare (VBHC) is conceptualized in the literature and implemented in hospitals. Furthermore, an overview was created of the effects of both the implementation of VBHC and the implementation strategies used.

The institute that focuses on Public Law is as broad as the field itself. The Institute of Public Law has six departments, each with its own research agenda.

Publications from the Project 0100 team members.

How should jurisdictions, both on the national and on the supra-national level, handle the interaction between public and private law where it regards the regulation of financial markets?

The economics department teaches the following four courses within the master Pubic sector Management. This is a dutch master.

The Public Management and Leadership specialisation emphasises how the behaviour of critical actors – politicians, top-level bureaucrats, street-level professionals and citizens - is critical to understand and improve public governance. The specialisation blends public administration with psychology,…

Petra van der Bekerom, Joris van der Voet, and Johan Christensen, three assistant professors at Leiden University, conducted a large-scale survey experiment about whether citizens are more negative about failing service delivery than private organizations.

In this article, Annemiek de Looze and Eefje Cuppen, investigated empericallly if and how social conflict leads to institutional change.

The third project, worked on by dr. Rina Knoeff, is a synthesising project directed at studying the Leiden anatomical collections as important parts of ‘public history’. It will use the results of the other projects in order to analyse anatomical collections (their focus, significant silences, audiences,…

Are you thinking about studying Public International Law? Learn more and watch the videos.

Key publications of the Predictive Pharmacology group.

Key publications of the Quantitative Clinical Pharmacology group

Knowledge is everywhere at Leiden University. It is also accessible for those who do not study or work at the University.

How can international investment law and arbitration take account of the public interest in, and more broadly, the public dimension of, the relations between foreign investors and host States ?

The sixth issue of Ex Novo explores how ‘peripheral’ regions currently approach both the practice and theory of public archaeology placing particular emphasis on usually underrepresented regions of Eastern and Central Europe, the Mediterranean and beyond.

The Executive Committee consists of the following members:

Yearly, the LIBC organizes a public event to share scientific research in the field of brain & cognition

Public International Law is a one-year Master’s specialisation at the internationally acclaimed Leiden Law School at Leiden University. The programme focuses on the legal framework that governs international relations in an increasingly complex global society.

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Yung Lin’s research explores how citizens in Taiwan and Southeast Asia actively shape public diplomacy, build trust across cultures, and address identity-based conflicts, highlighting the shift from government-led to citizen-centred diplomacy.

Many of the big challenges of the 21st century (climate change, international migration, financial instability, socio-economic inequality) find their origins in the organisation of the global economy. Any solution to the world’s big challenges therefore requires forceful policy interventions at the…

The transition from fossil fuels and the practical changes that this entails make many demands on citizens. Emma ter Mors, a psychologist and lecturer at Leiden University, is researching the factors that contribute to public perception and acceptance of new energy technologies.

This article by Kohei Suzuki and his co-authors examine the relationship between job security, at-will employment, and employee outcomes in the public sector amid growing reforms and politicisation.

Other COI publications can be found on Leiden Law Blog, the Leiden Law Methods Portal, and in the drop-down tabs below.

Key research articles, reviews and books of the Chromatin group.

On May 27th 2016 an inaugural lecture was held by prof. dr. Sandra Groeneveld entitled: ‘Het belang van bureaucratie. Omgaan met ambivalentie in publiek management’.

Within the Public Administration department, there is an option for a specialisation: Economics, Public Administration and Management. This is a dutch program.

On Friday March 25, student Pieter Pierrot will present his Media Technology MSc graduation thesis work. In 20-25 minutes Pieter will present his project, followed by 10-15 minutes public discussion. Everyone is invited to attend. The presentation is in English.

The world faces evolving challenges, from pandemics and natural disasters to technological risks and cyber threats. How we prepare for, respond to, and manage these issues is crucial. In this minor, you'll explore and address these grand challenges, seeking solutions for the future.

Below are some of the scholarly works published within the context of the Institutions for Conflict Resolution programme.

The public sector is increasingly a multi-level system, with interactions between public and private actors on the national, sub-national (provinces, regions) and international level and various public, semi-public and private organisations that perform public tasks. In this minor students pay attention…

It is a tragic fact that mass atrocities have been, and are being, committed across the world. The international community, while condemning these acts, often stands idly by. This conundrum raises a host of empirical, legal, and normative questions regarding the role of public opinion in responding…

The Public Administration specialisation in Economics, Governance and Management combines public administration with economics to analyse issues such as the climate or housing crisis. You will learn to think economically and formulate policy advice.

What are the various forms of inter-organizational collaboration in the public safety sector? How are different forms of inter-organizational collaborative arrangements related? What is the relationship between inter-organizational collaboration and innovation in the public safety sector?

In the Public Administration specialisation in Policy, Governance and Organisation, you will analyse current issues such as the housing crisis, energy transition, and immigration. You will learn how policy is developed and how public organisations function from various perspectives.