The family and friends of staff who work at many of the larger University faculties or departments are welcome to come and take a look behind the scenes on Family and Friends Day.

Since 2012, thousands of individuals have traveled from Western countries to join jihadist groups in Syria and Iraq. While much has been written about these individuals, only sparse attention has been paid to the social environment of these jihadist travelers and, more specific, the role of family members…

On Sunday 8 October 2023 the Faculty of Science of Leiden University opened its doors to everyone who is curious to explore the world of science. More than 750 people took a look behind the scenes, watched exciting demonstrations, stepped into the shoes of a scientist at numerous workshops and got to…

The Women of Ramesside Deir al-Medina

Ronald Cramer, in cooperation with Ivan Damgard and Jesper Nielsen (Aarhus University) have recently published the first book ever written on “quantum-secure multi-party computation”. The authors have spent six years to finish this comprising book.

Ronald Cramer (CWI/Leiden) has been awarded a VICI-grant by the Netherlands Organisation of Scientific Research (NWO) for his research on the mathematical fundaments of secure computation.

On 30 September 2013 Ronald Cramer, head of the Cryptology group of Centrum Wiskunde & Informatica (CWI) and a professor of cryptology at the Mathematical Institute of Leiden University, was inaugurated as a member of the Royal Netherlands Academy of Arts and Sciences (KNAW).

How to bring together different footprints into an integrated family and what are the synergies? What are the roles of inventory analysis and characterization in measuring individual footprints and how these affect a footprint family? How to benchmark environmental footprints against related planetary…

Ronald Cramer has been awarded an ERC Advanced Grant for his proposal 'Algebraic Methods for Stronger Crypto'. He will receive 2.5 million euro for research in the upcoming five years.

Leiden University and the Dutch Royal Family maintain ties that go back to 1575, when William of Orange founded the University. Many members of the Royal Family have studied in Leiden and several have received an honorary doctorate.

The Forensic Family and Youth Care Studies research group conducts innovative high-quality research aiming to gain knowledge about deviant developmental trajectories of vulnerable children, adolescents, and families, about how to prevent problematic development and how to intervene when necessary.

Prof. dr. Cramer (Leiden University / Centre for Mathematics & Computer Science) is appointed as ‘Fellow of IACR’. This was announced by the International Association for Cryptologic Research on 8 April 2013.

Across cultures, parents help their children master the social and linguistic codes needed in adult life. Recent research on language socialization found important cross-cultural differences, pointing out the need for more diversity for a full understanding of this process. Deaf communities form…

Saturday 13 February 2016 the daily newspaper Volkskrant published an article based on interviews with Professor Ronald Cramer and Harry Buhrman.

The American magazine WIRED recently published an article on ‘quantum-safe public key encryption’.

Biological and behavioural measurements of parent-child interactions.

The program group Forensic Family and Youth Care Studies of the Institute of Education and Child Studies deals with the developmental processes of vulnerable children, young people and families.

Across cultures, parents help their children master the social and linguistic codes needed in adult life. Recent research on language socialization found important cross-cultural differences, pointing out the need for more diversity for a full understanding of this process.

The key question addressed in this family study is whether the psychophysiological and neurocognitive abnormalities often reported in SAD patients are heritable and can thus be found in family members of SAD patients as well. Determination of heritability of these deficiencies is essential for endophenotyping.…

What are the rights of migrants in Morocco and how do this receiving state and migrants deal with them in practice?

What is the role of neuronal emotional reactivity in the intergenerational transmission of abuse?

The program group Forensic Family and Youth Care Studies is located in the Faculty of Social and Behavioural Sciences of Leiden University near Central Station.

Social anxiety runs in families, but the neurobiology underlying this genetic vulnerability is until now largely unknown. The unique Leiden Family Lab study on Social Anxiety Disorder (LFLSAD) aims to broaden our knowledge with respect to this genetic susceptibility.

Family, Work, and Household presents the social and occupational life of a late medieval Iberian town in rich, unprecedented detail. The book combines a diachronic study of two regionally prominent families—one knightly and one mercantile—with a detailed cross-sectional urban study of household and…

Promotor: Prof.dr. J. Kuiper, Co-promotor: Saskia C.A. de Jager

This book project explores the changing dynamics of marriage and family life in postwar Japan based on an examination of the life histories of single mothers.

The central question in this book is whether there is a human right to family unification.

How was the Scholarly Self cultivated in professorial families of the humanities, in German-speaking Europe between 1860 and 1930?

Parents may pass anxiety onto their offspring by exposing them to anxious behaviors in novel situations. Just as the parents’ anxious signals lead to anxiety, parents’ confident signals can ward off anxiety in the offspring. This project is seeking a new way to break anxiety transmission in the family…

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

The directorate of the Netherlands Research School for Astronomy (NOVA) has two new members. Ronald Stark (currently at NWO) will be the new Executive Director of NOVA from 1 September. Amina Helmi (Professor of Dynamics, structure and formation of the Milky Way at the University of Groningen) will…

‘Visibility and secrecy are both valuable tactics and should not be antagonized in LGBT movements, ’ says Jingshu Zhu. Zhu defended her dissertation on Wednesday 21 February.

Ronald Cramer, Professor at the Mathematical Institute of Leiden University and researcher and head of the research group Cryptology at ‘Centrum Wiskunde & Informatica (CWI), the national research center for mathematics and computers science in the Netherlands, is appointed as a member of the Royal…

The main object of study in this thesis is an Arakelov inequalitywhich bounds the degree of an invertible subsheaf of the direct image ofthe pluricanonical relative sheaf of a semistable family of curves.

What was the function of the Dutch Protestant Church in Sri Lankan society? Why did people relate to the Church and how did conversion influence their life course?

How can Ronald Mulder run his skates across an ice layer at 60 km/h? His skating blades get help from a lubricating layer of meltwater. In Leiden, physicists found this explanation to be incomplete. Theoretician Hans van Leeuwen and experimental physicist Tjerk Oosterkamp searched for a deeper answe…