This page contains an overview of my teaching and supervision activities.

Recent courses

• Bachelorseminarium
  
  Universiteit Leiden, Spring 2023 (met M. Streng en H. Lenstra)
  
  
• Topics in Algebraic Number Theory
  
  Universiteit Leiden, Spring 2023 (with E. Rosu)
  
  
• Algebraic Number Theory
  
  Mastermath, Fall 2022 (with R. van Dobben de Bruyn and P. Stevenhagen)
  
  
• Bachelorseminarium
  
  Universiteit Leiden, Spring 2022 (met H. Lenstra)
  
  
• Topics in Algebraic Number Theory
  
  Universiteit Leiden, Spring 2022 (with P. Stevenhagen)
  
  
• Algebraic Number Theory
  
  Mastermath, Fall 2021 (with P. Stevenhagen)
  
  
• Topics in Algebraic Number Theory
  
  Universiteit Leiden, Spring 2021 (with P. Stevenhagen)
  
  
• Algebraic Number Theory
  
  Mastermath, Fall 2020 (with P. Stevenhagen)
  
  
• Math 251 : Honours Linear Algebra
  
  McGill University, Fall 2017
  
  
• Math 596 : Topics in Algebra and Number Theory
  
  McGill University, Winter 2017
  
  
• Math 235 : Algebra I
  
  McGill University, Fall 2016
  
  
• Math 140 : Calculus I
  
  McGill University, Winter 2016
  
  

PhD students

• Paolo Bordignon
  University of Leiden (2023 - current)
  Expected 2027.
  
  
• Antigona Pajaziti
  University of Luxemburg / University of Leiden (2022 - current)
  Co-supervised with A. Perucca, expected 2026.
  
  
• Alex Braat
  University of Leiden (2020 - current)
  Co-supervised with P. Stevenhagen, expected 2024.
  
  
• Håvard Damm-Johnsen
  University of Oxford (2020 - current)
  Co-supervised with J. Newton, expected 2024.
  
  
• Mike Daas
  University of Leiden (2020 - current)
  Expected 2024.
  
  

Master students

• David van der Vorm
  University of Leiden (2023)
  Thesis: Torsion points of order 11 and 13 on elliptic curves
  
  
• Maarten Stremler
  University of Leiden (2023)
  Thesis: Prime factorisations of singular moduli
  
  
• Bart van Kootwijk
  University of Leiden (2023)
  Thesis: Rank heuristics for Diophantus' family of elliptic curves
  
  
• Niels Ketelaars
  University of Leiden (2023)
  Thesis: An effective version of Iwasawa's theorem
  
  
• Sam van Buuren
  University of Leiden (2022)
  Thesis: Spectra of supersingular isogeny graphs
  Sam started a PhD at KULeuven (Belgium) with Wouter Castryck.
  
  
• Giacomo Santato
  University of Leiden, ALGANT (2021)
  Thesis: Zeroes of p-adic L-functions: the Ellenberg-Jain-Venkatesh conjecture
  Giacomo started a PhD at CISPA (Saarbrücken).
  
  
• Giuditta Bellosi
  University of Leiden, ALGANT (2021)
  Thesis: From Pell's equation to Gross-Stark units
  Giuditta became a Business Intelligence Analyst at Sysdata SpA (Bologna).
  
  
• Emiel Haakma
  University of Leiden (2021)
  Thesis: Heegner points and the Shimura correspondence
  Emiel started a PhD at SFU (Vancouver) with Nils Bruin.
  
  
• Jesse Freeman
  University of Oxford (2014)
  Thesis: L-functions and modular symbols
  Jesse started a PhD at MIT (Boston) with Tomasz Mrowka.
  
  

Undergraduate students

• Thomas Chen
  University of Leiden (2021)
  Thesis: The Leech lattice: Sphere packings and the Conway groups
  Thomas started Part III in Cambridge (UK).
  
  
• Kevin Watmough
  McGill University, NSERC (2017)
  Thesis: p-Adic torsors and statistics of the Hilbert symbol
  Kevin started a PhD at Toronto (Canada).
  
  
• David Marcil
  McGill University, NSERC (2017)
  Thesis: Elkies' models for towers of modular curves
  David started a PhD at Columbia (New York) with Michael Harris.
  
  
• Isaac Loh
  University of Oxford, Williams-Exeter Programme (2014)
  Thesis: Pell-type equations and Mordell equations
  Isaac started a PhD in Economics at Northwestern (Chicago).
  
  
• Christopher Huffaker
  University of Oxford, Williams-Exeter Programme (2014)
  Thesis: Fermat's last theorem for regular primes
  Christopher became a data reporter covering education in Boston.
  
  
• Jesse Freeman
  University of Oxford, Williams-Exeter Programme (2013)
  Thesis: Class field theory of Q
  Jesse started a PhD at MIT (Boston) with Tomasz Mrowka.
  
  
• CJ Higgins
  University of Oxford, Williams-Exeter Programme (2012)
  Thesis: The friendship theorem and extensions
  CJ started a PhD in Political Science at Johns Hopkins (Baltimore).
  
  
• Zane Martin
  University of Oxford, Williams-Exeter Programme (2012)
  Thesis: Dirichlet's theorem on primes in arithmetic progressions
  Zane started a PhD at Columbia (New York) with Adam Sobel and Shuguang Wang.
  
  

Other

• I supervised two Sixth Form students at Magdalen College School (Oxford), as part of the Waynflete Studies Programme.
  
  
  • Tom Daggitt: Maths using origami
    
  • Stephen Jones: The properties of perfect numbers
    Stephen won the Best Essay Prize of the Waynflete Studies Programme.