Let A be a commutative algebraic group over a field K, and let G be a finitely generated subgroup of the K-rational points of A. The purpose of this thesis is to study the degrees of the Kummer extensions relative to A,K and G.

Promotor: Prof.dr. W.T.F. den Hollander, Prof. dr. E.A. Verbitskiy

Most of current public-key cryptography is considered insecure against attacks from sufficiently powerful quantum computers. Post-quantum cryptography studies methods to secure information resistant against such attacks. One proposal is isogeny-based cryptography, which bases its security on computational…

Does the political context (e.g., democracy vs. authoritarianism) influence what makes people perceive authorities as legitimate?

Subjects Barbarian, Monstrous, and Wild responds to a contemporary political climate in which historically invested figures of otherness—barbarians, savages, monsters—have become common discursive currency.

A new paperback edition of Brian Heffernan's book Freedom and the Fifth Commandment. Catholic priests and political violence in Ireland, 1919-21 was published by Manchester University Press in September 2016.

How did rulers in the Netherlands and in adjacent smaller German territories adapt their regimes to ongoing change in legitimacy and decision-making during the transition period 1780-1820?

Within the bachelor's program of Education and Child Studies, we include the minor Kindermishandeling en Verwaarlozing: een levensloopperspectief and several other courses.

This book explores the relationship between the production of new urban spaces and illiberal community-making in contemporary India. It is based on an ethnographic study in Noida, a city at the eastern fringe of the state of Uttar Pradesh, bordering national capital Delhi.

How is the effect of kleptocracy on foreign policy change mediated by the political-administrative relationship?

A Persistent Revolution: History, Nationalism, and Politics in Mexico since 1968

Liu Puning defended his thesis on 25 April 2018.

This article explores the concept of issue prioritisation within the context of public administration research, focusing on decision-making processes.

A History of Modern Political Thought in East Central Europe is a two-volume project, authored by an international team of researchers, and offering the first-ever synthetic overview of the history of modern political thought in East Central Europe.

Big data promises to transform public decision-making for the better by making it more responsive to actual needs and policy effects. However, much recent work on big data in public decision-making assumes a rational view of decision-making, which has been much criticized in the public administration…

This study aims to examine how South Korea (hereafter, Korea) and Japan, two neighboring countries in Northeast Asia, have been responding to and mitigating the spread of COVID-19.

In this thesis we classify the pairs (p,G), where p is a prime number and G is a finite p-group possessing an intense automorphism, i.e. an automorphism that sends each subgroup of G to a G-conjugate, that is non-trivial and whose order is coprime to p.

On the 8th of September Yun-An Olivia Dung successfully defended a doctoral thesis and graduated.

Political scientist Wouter Veenendaal received an NWO Veni grant for his research on the political stability of small states. 'I find small states fascinating, they are almost always excluded from comparative research, while in fact they often challenge existing theories in political science.'

Why does one person radicalize to involvement in terrorist violence within a group-based context, while another engages in this form of violence alone?

The aim of this study was to provide insight into how teachers in higher education can be supported in the design, implementation and evaluation of group assignments by developing a theoretical and evidence-based framework for the design of group assignments.

This study employs a comparative perspective to identify generic and specific qualities of petitions and petitioning. It charts the chronological development of petitioning practices over centuries. The interdisciplinary approaches provide range of conceptual and methodological expertise for reade…

Political scientist Nicholas Vrousalis (Leiden University) reviews the recent literature on exploitation. He istinguishes between three main species of exploitation theory: (a) teleology-based (including harm and mutual benefit) accounts, (b) respect-based (including mere means, force, rights, and fairness)…

On 1 April 2020, Ivan Romashchenko defended his thesis 'Related Party Transactions and Corporate Groups: When Eastern Europe Meets the West'. The doctoral research was supervised by Prof. S.M. Bartman en Prof. A. Radwan (Kaunas, Lithuania).

The Khoesan were the first people in Africa to undergo the full rigours of European colonisation. By the early nineteenth century, they had largely been brought under colonial rule, dispossessed of their land and stock, and forced to work as labourers for farmers of European descent.

Can SMILE, our multi-component intervention, which combines cognitive-behavioural therapy for insomnia, mindfulness, stress, and lifestyle components, improve sleep quality? Can it also improve mood and quality of life and prevent depression and anxiety in the long term?

This book systematically evaluates the empirical evidence for legitimacy decline in established democracies, the explanatory power of theories of legitimacy decline, and promises new routes in investigating and assessing political legitimacy.

Which consumer groups post the greatest cost to public health and the planet through their food choices, and how can we use this fine-scale information to accelerate a sustainable dietary transition?

This study offers a new approach to the history of sites, archaeology, and heritage formation in Asia, at both the local and the trans-regional levels.

This article introduces the special issue on ‘Digital Activism’ by exploring some of the trends in social media activism and scholarship thereof. The authors ask to what extent this literature helps us understand Asian forms of online activism, which forms of activism have relatively done well, and…

The WARN project seeks to understand why certain warnings fail to reach and impact decision makers in time to avert crisis.

How does self-reliance lead to a decrease in collaboration for public goods?

Philosophy has an important contribution to make to society, says Professor of Practical Philosophy Glen Newey. You need people who can think clearly, certainly in positions of power and authority. Newey stresses that “there will always be a place for philosophy”. An introduction to the practically…

In this article, Tokdemir & Klein examine the strategic actions of governments against domestic terrorist groups and domestic terrorist groups’ reactions to such actions.