701 search results for “open gesteld” in the Public website
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Open Micro Cavities
We develop open micro cavities to trap light in small volumes and thereby increase the interaction with intra-cavity emitters. Important aspects in this development are the optical penetration in the mirrors, coupling between optical modes, and scattering and clipping losses.
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Journal Observatory – Toward integrated information about the openness of scholarly journals
Lots of efforts are being made to promote open science practices in scholarly publishing. However, information on the openness of scholarly journals is highly fragmented. There are various data sources that provide information on specific aspects of openness, but there is hardly any integration of these…
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Recording presentations Online Open Day
On this page you'll find the recordings of the programme presentations held at the Leiden University Bachelor's Online Open Day of 7 October 2023. Perhaps you joined this event and would like to rewatch the presentations or are curious about ones you didn’t see the first time around. Or you haven't…
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Open Data: The Researcher Perspective
Combining results from bibliometric analyses, a global sample of researcher opinions and case-study interviews, a new report reveals that although the benefits of open research data are well known, in practice, confusion remains within the researcher community around when and how to share research…
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EuroScience Open Forum
In July 2022, Leiden hosted the ESOF conference.
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Paul Gobée
Faculteit Geneeskunde
o.p.gobee@lumc.nl | +31 71 526 6673
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“Keep that open mindset”
In 'That's Why Teacher', our educators share their experiences. Asking challenging questions to seek a deeper understanding is how Stella Trompet perceives the growth of her students. She serves as a lecturer in the half-minor and master's programme Health, Ageing, and Society at LUMC/Leiden Univers…
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Join the Open Science Community Leiden
Join the OSCL community to share your experience and learn more from others at Leiden University
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Opening Academic Year 2021-2022
De opening of the Academic Year 2021-2022 took place on Monday 6 September 2021 in Pieterskerk church.
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Matchmaking for open innovation: perspectives on multi-sided markets
Promotores: Prof.dr. B.R. Katzy, Prof.dr. K. Sailer (Munich University)
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Opening Academic Year 2019-2020
The opening of the Academic Year 2019-2020 took place on Monday 2 September 2019 in Pieterskerk church.
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Opening Academic Year 2022-2023
De opening of the Academic Year 2022-2023 took place on Monday 5 September 2022 in Pieterskerk church.
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Opening Academic Year 2023-2024
De opening of the Academic Year 2023-2024 took place on Monday 4 September 2023 in Pieterskerk church.
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Quality of instruction in open online education
Open online education has become a highly popular method of education. The current project aims to further our knowledge of how open online courses can be best designed to be consistent with human learning mechanics and facilitate meaningful learning.
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Research Support Portal & Leiden Open Science
Leiden University offers support in the different stages of your research lifecycle.
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The Open Society and Its Animals
On 10 October 2019, Janneke Vink defended her thesis 'The Open Society and Its Animals'. The doctoral research was supervised by Prof. P.B. Cliteur.
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Opening Academic Year 2020-2021
The opening of the Academic Year 2020-2021 took place on Monday 31 August 2020 in Pieterskerk church.
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Opening Academic Year 2018-2019
The opening of the Academic Year 2018-2019 took place on Monday 3 September 2018 in Pieterskerk church.
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Opening Academic Year 2016-2017
The opening of the Academic Year 2016-2017 took place on Monday 5 September 2016 in Pieterskerk church.
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Opening Academic Year 2017-2018
The opening of the Academic Year 2017-2018 took place on Monday 4 September 2017 in Pieterskerk church.
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Laurens van Gestel
Faculteit der Sociale Wetenschappen
l.c.van.gestel@fsw.leidenuniv.nl | +31 71 527 2727
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Open Positions
There are no vacancies
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Educatieve Master Primair Onderwijs
Leer meer over de Educatieve Master Primair Onderwijs tijdens de Online Master's Open Dag van de Universiteit Leiden.
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Jurriaan Witteman
Faculty of Humanities
j.witteman@hum.leidenuniv.nl | +31 71 527 8031
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Sanne Kellij
Faculteit der Sociale Wetenschappen
s.kellij@fsw.leidenuniv.nl | +31 71 527 2727
- Getting started!
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Towards Open and Reproducible Terrorism Studies: Current Trends and Next Steps
In recent years, the use of primary data in terrorism research has increased. In order to maximise the benefits of this trend, we want to encourage terrorism scholars to implement open science practices more systematically. This article therefore presents different avenues towards open and reproducible…
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Vision and Mission statement International Network Open Science & Scholarship Communities
Read more about the International Network Open Science & Scholarship Communities in our Vision and Mission statements.
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Open-source research and the war in Ukraine: intelligence for the people by the people?
Who are open-source intelligence activists and how reliable are their contributions to public understanding of Russia’s war in Ukraine?
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Become a member of the Open Science Community Leiden (OSCL)
Change requires community. Become a member of OSCL today!
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Master's Open Day on 6 February 2026
Study information
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yours is mine: Teacher communities as a means to increase adoption of Open Educational Resources in curricula?
Open Educational Resources (OER) have the potential to change teaching in Higher Education, but adoption is low despite the growing amount of resources available. The current project aims to investigate if and how teacher communities can foster adoption of OER in curricula.
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Master Online Open Day on 9 and 10 October 2025
Study information
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Michiel van Elk
Faculteit der Sociale Wetenschappen
m.van.elk@fsw.leidenuniv.nl | +31 71 527 2727
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Beibei Yuan
Faculteit der Sociale Wetenschappen
b.yuan@fsw.leidenuniv.nl | +31 71 527 2727
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Ludo Waltman
Faculteit der Sociale Wetenschappen
waltmanlr@cwts.leidenuniv.nl | +31 71 527 5806
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Linda van Leijenhorst
Faculteit der Sociale Wetenschappen
lleijenhorst@fsw.leidenuniv.nl | +31 71 527 3750
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Nikki Nibbering
Faculteit der Sociale Wetenschappen
n.nibbering@fsw.leidenuniv.nl | +31 71 527 2727
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Chris Verhoeven
Faculteit der Sociale Wetenschappen
verhoeven@fsw.leidenuniv.nl | +31 71 527 4069
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Josi Marschall
Faculteit der Sociale Wetenschappen
j.c.marschall@fsw.leidenuniv.nl | +31 71 527 2727
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Juan Claramunt Gonzalez
Faculteit der Sociale Wetenschappen
j.claramunt.gonzalez@fsw.leidenuniv.nl | 071 5276026
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Janna Marie Bas-Hoogendam
Faculteit der Sociale Wetenschappen
j.m.hoogendam@fsw.leidenuniv.nl | +31 71 527 6345
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Leonardo Lenoci
Science
l.lenoci@science.leidenuniv.nl | +31 71 527 8484
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Een algemene normtheorie toegepast op open normen in het belastingrecht
On 14 May 2020, Pieter Rustenburg defended his thesis 'Een algemene normtheorie toegepast op open normen in het belastingrecht'. The doctoral research was supervised by Prof. A.O. Lubbers and Prof. J.L.M. Gribnau.
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Exploring Open-World Visual Understanding with Deep Learning
We are living in an information era where the amount of image and video data increases exponentially.
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Leticia Rettore Micheli
Faculteit der Sociale Wetenschappen
l.rettore.micheli@fsw.leidenuniv.nl | +31 71 527 2727
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Inaugural lecture: Open the treasure room and decolonize the museum
The treasure houses of Leiden's University Library and Naturalis house wonderful historical collections with dried plants and botanical drawings. Tinde van Andel, extraordinary professor of History of botany and gardens, studies these collections.
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Open Consultation on UN GGE 2015 Norm Proposals
The Leiden University’s Program for Cyber Norms, a research platform to investigate the development and implementation of law and policy applicable to uses of ICTs, in cooperation with the think-tank ICT4Peace conducted a global open consultation on how to implement the UN Group of Governmental Experts’…
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Mathilde Witkam
Faculty Governance and Global Affairs
m.witkam@fgga.leidenuniv.nl | +31 70 800 9589
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Judith Schomaker
Faculteit der Sociale Wetenschappen
j.schomaker@fsw.leidenuniv.nl | +31 71 527 2727