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960 search results for “theory” in the Staff website

• Towards a theory of militant constitutionalism Event - 13 February 2026

  PhD defence

• Trick, trap, treason: Conspiracy theories on Turkey’s internal and external enemies (2002-2022) Event - 29 January 2026

  PhD defence

• 
  Floske Spieksma Professor emeritus Mathematics of Operations Research

  Faculty of Science

  spieksma@math.leidenuniv.nl | 071 5272727

• 
  Luca Avena Associate professor

  Faculty of Science

  l.avena@math.leidenuniv.nl | +31 71 527 2727

• 
  Michael Keane Professor / guest

  Faculty of Science

  mkeane@wesleyan.edu | +31 71 527 2727

• 
  Evgeny Verbitskiy Associate professor

  Faculty of Science

  evgeny@math.leidenuniv.nl | +31 71 527 7120

• 
  Charlene Kalle Associate Professor

  Faculty of Science

  kallecccj@math.leidenuniv.nl | +31 71 527 1590

• 
  Evert Jan van Leeuwen University Lecturer

  Faculty of Humanities

  e.j.van.leeuwen@hum.leidenuniv.nl | +31 71 527 3949

• 
  Frank den Hollander Professor emeritus of Probability

  Faculty of Science

  denholla@math.leidenuniv.nl | +31 71 527 2727

• Theory and Methods of Law seminars Announcement - 28 February 2023

  Research

• A theory rarely proves true in practice News - 14 October 2024

  Leiden students often prefer complicated theory and a difficult test to experiments. Yet associate professor Paul Logman believes students learn a lot from practical teaching. He challenges his students to come up with their research questions themselves. The Leiden Institute of Physics (LION) is at…

• Pushing the boundaries of quantum theory News - 16 May 2025

  Mass, time, space, and complexity — physicists in Leiden are launching eight new research projects tackling some of the most fundamental themes in quantum mechanics. Their goal: to push the limits of current quantum theories.

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  Koenraad Schalm Professor of Theoretical physics

  Faculty of Science

  kschalm@lorentz.leidenuniv.nl | +31 71 527 5516

• 
  Georgios-Evgenios Douliakas Lecturer

  Faculty of Humanities

  g.e.douliakas@hum.leidenuniv.nl | 071 5272727

• 
  René van der Veer Professor emeritus Historical Education and Child Studies

  Social & Behavioural Sciences

  r.van.der.veer@fsw.leidenuniv.nl | 071 5272727

• 
  Ronald Cramer Professor of Cryptology

  Faculty of Science

  cramer@math.leidenuniv.nl | +31 71 527 7047

• 
  Megumi Kitagawa Guest

  Social & Behavioural Sciences

  m.kitagawa@fsw.leidenuniv.nl | +31 71 527 3441

• 
  David Holmes Professor Pure Mathematics

  Faculty of Science

  holmesdst@math.leidenuniv.nl | +31 71 527 7133

• 
  Rusydi Makarim PhD candidate / self funded

  Faculty of Science

  r.h.makarim@math.leidenuniv.nl | 071 5272727

• 
  Kyra Alberts External PhD Candidate

  Faculty of Humanities

  k.f.alberts@hum.leidenuniv.nl | 071 5272727

• 
  Zhong Chua PhD candidate

  Faculty of Humanities

  z.x.chua@hum.leidenuniv.nl | 071 5272727

• 
  Marco Streng Associate Professor

  Faculty of Science

  streng@math.leidenuniv.nl | +31 71 527 7093

• 
  Martin Bright Associate professor and director of education

  Faculty of Science

  m.j.bright@math.leidenuniv.nl | 071 5277132

• 
  Peter Stevenhagen Professor of Mathematics, in particular algebra and number theory

  Faculty of Science

  psh@math.leidenuniv.nl | +31 71 527 7125

• 
  Jan-Hendrik Evertse Associate professor

  Faculty of Science

  evertse@math.leidenuniv.nl | 071 5272727

• 
  M Bhargava Professor of Analytical algebraic number theory

  Faculty of Science

  m.bhargava@umail.leidenuniv.nl | +31 71 527 2727

• 
  Peter Bruin Associate professor

  Faculty of Science

  p.j.bruin@math.leidenuniv.nl | 071 5277142

• 
  Robin de Jong Associate Professor

  Faculty of Science

  rdejong@math.leidenuniv.nl | +31 71 527 4829

• 
  Bart de Smit Vice Dean / professor of Algebra and number theory

  Faculty of Science

  b.de.smit@science.leidenuniv.nl | +31 71 527 2727

• 
  Ronald van Luijk Professor of Mathematics

  Faculty of Science

  rvl@math.leidenuniv.nl | +31 71 527 7147

• 
  Hendrik Lenstra Professor emeritus of fundamental and applied mathematics

  Faculty of Science

  hwl@math.leidenuniv.nl | +31 71 527 7127

• Robotics and AI in archaeological theory and practice News - 22 December 2022

  What can Robotics and AI bring to archaeological theory and practice? In return, how can archaeology contribute to the developments in robotics and AI research? Colleagues tackled these questions at an event organised by the Faculty of Archaeology and sponsored by SAILS.

• New special chair in Educational Theory and Law News - 5 March 2024

  Following a special donation, the Stichting Pro Juventute foundation is facilitating a new special chair in Educational Theory and Law. Through the chair, Pro Juventute hopes to realise optimum child protection from a coherent legal and educational perspective.

• Bacteria stunt with established plant-soil feedback theory News - 29 September 2021

  ‘What I find most alluring about soil life is that you can steer it,’ researcher Martijn Bezemer of the Institute Biology Leiden (IBL) reveals. ‘You can ask: What do you want? And then I can transform the soil into something you need. At least, that is what we thought.’

• Theory in Practice: researching race in the Dutch legal archive News - 1 December 2021

  On Thursday 23 November, Professor Betty de Hart delivered the lecture ‘Exploring the Legal Archive on Race: Methodological Challenges’ as part of the lecture series ‘Reconsidering the Socio-Legal Gaze’ organized by the Van Vollenhoven Institute. Over 40 people attended the lecture, held online due…

• Uzbek mathematician refines world-famous theory: ‘So many things are connected’ News - 10 September 2025

  Predicting the collective behaviour of systems, like a large group of people electing one of the parties, is no easy task. But there’s a theory that scientists have been using for decades to do just that: the theory of Gibbs measures. Last week, mathematician Mirmukhsin Makhmudov earned his PhD for…

• 
  Mariëlle Linting Associate Professor

  Social & Behavioural Sciences

  linting@fsw.leidenuniv.nl | +31 71 527 4098

• 
  Francisca Jungslager Lecturer

  Social & Behavioural Sciences

  f.s.jungslager@fsw.leidenuniv.nl | +31 71 527 2727

• 
  Richard Gill Professor emeritus of Mathematical statistics

  Faculty of Science

  gill@math.leidenuniv.nl |

• 
  Chenyu Shi PhD candidate

  Faculty of Science

  c.shi@liacs.leidenuniv.nl | +31 71 527 2727

• 
  Rob Tijdeman Professor emeritus of Analysis of number theory

  Faculty of Science

  tijdeman@math.leidenuniv.nl | 071 5274831

• 
  Carlos Roos Muñoz Lecturer

  Faculty of Humanities

  c.m.roos.munoz@hum.leidenuniv.nl | +31 71 527 2727

• 
  Hendrik Jacob Roelof Kaptein Lecturer

  Faculty of Law

  h.j.r.kaptein@law.leidenuniv.nl | 071 5277548

• 
  Nidesh Lawtoo Professor Modern/Contemporary European Literature and Culture

  Faculty of Humanities

  n.lawtoo@hum.leidenuniv.nl | +31 71 527 2644

• Peter Grünwald develops a revolutionary statistical theory with an ERC Advanced Grant News - 11 April 2024

  Using mathematics to determine whether scientific results are significant or not. Peter Grünwald, full professor of Statistical Learning at the Mathematical Institute (MI) and senior researcher in the Machine Learning group of Centrum Wiskunde & Informatica (CWI), has been awarded an ERC Advanced Grant…

• Lecture by Eliot Higgins: from conspiracy theories to profiting from misinformation News - 10 February 2025

  'The way we consume information has changed dramatically over the past fifteen years. You're no longer just a receiver; you participate, create, and spread information. So why not use that to improve society?'

• Final meeting The Hague Southwest Thesis Project: practice and theory come together News - 13 February 2023

  During the final meeting of the Thesis Project on 10 February at 'Pand Zuidwest' in The Hague, several students presented their theses. Students from different disciplines conduct research on formulated practice-oriented challenges in The Hague South-West. 'The Thesis Project provides a connection between…

• New chair in Educational Theory and Law bridges the gap between research and child protection News - 29 October 2024

  Dr Anouk Goemans has been appointed professor by special appointment of Youth Services and Child Protection from an Educational and Legal Perspective as of 1 November 2024. This chair is funded by the 'Stichting Steunfonds Pro Juventute' support fund foundation and serves as a bridge between the Department…

• Charlotte wins thesis award on argumentation theory: ‘This is one way to strategically pin someone down’ News - 3 March 2022

  Everyone has heard arguments like this before as a child: ‘Whether you like it or not, you have to go to school!’ It seems as though you are presented with two options, but there is only one real outcome. Charlotte van der Voort of the MA Dutch Studies won the Leiden University Thesis Prize on her research…

• 
  Mateo Cohen External PhD candidate

  Social & Behavioural Sciences

  i.m.cohen@fsw.leidenuniv.nl | +31 71 527 2727