Talks

• The spectrum of the quantum KdV hierarchy
  Nov, 2025: Dublin Mathematics Colloquium, Trinity College Dublin
  Sep, 2025: Seminar on algebra, geometry, and mathematical physics, KdVI (Amsterdam)
• Integer partitions detect the primes
  Nov, 2025: General Mathematics Colloquium, KdVI (Amsterdam) (slides)
  Sep, 2024: Building Bridges: Workshop on Automorphic Forms and Related Topics, Marseille (slides)
• Mock Eisenstein series associated to partition ranks
  Jun, 2025: Modular in Bielefeld
• Arithmetic (and algebraic) properties of MacMahon-like q-series
  Nov, 2024: Arithmetic Geometry Seminar, Bielefeld
  Aug, 2024: Beyond Multiple Zeta Values: finite versions, q-analogues, and multiple Eisenstein series, Hamburg
• Jacobi forms, mock modular forms and qMZVs in enumerative geometry
  Nov, 2024: Algebraic Geometry Seminar, Heidelberg
• Minicourse on q-brackets
  Apr/May, 2024: three lectures in Oberseminar Zahlentheorie, Köln
• Shifted symmetric functions, quasimodular forms and Hamiltonian operators
  Apr, 2024: Topological quantum field theory seminar, Lisbon
  May, 2022: Number theory seminar at the MPIM, Bonn
  May, 2022: GADEP seminar, Rio de Janeiro (recording)
• Computing Siegel-Veech constants using partitions and quasimodular forms
  Mar, 2024: School on flat surfaces and interactions, Le Teich
• On quasimodular forms associated to projective representations of symmetric groups
  Jan, 2024: Max Planck Institute for Mathematics, Bonn
  Apr, 2023: International Seminar on Automorphic Forms (slides)
• Hedgehogs in Lehmer's problem
  Oct, 2023: MM(P): Mahler Measures of Polynomials (slides)
  Apr, 2022: ENTR Seminar (Early Number Theory Researchers Seminar) (slides)
• Derivations on formal multiple Eisenstein series
  Feb, 2023: Multiple Zeta Research Meeting, Osaka
• Critical points of modular forms
  Nov, 2022: Algebra, Arithmetic, and Geometry seminar, Nottingham (slides)
  Sep, 2022: ABKLS-seminar, Köln
  Nov, 2021: Number theory seminar at the ETH, Zürich
• A Kaneko–Zagier equation for Jacobi forms
  Oct, 2022: N^3-Days (Nordic Number Theory Network), Hamburg
  Aug, 2022: Modular forms in number theory and beyond, Bielefeld
• From partitions to q-analogues of multiple zeta values
  Nov, 2021: AGZT-seminar (Arithmetische Geometrie und Zahlentheorie) at Hamburg University (slides)
• Zeros of quasimodular forms and the sum formula for multiple zeta values
  Oct, 2021: Number theory seminar at the MPIM, Bonn (slides)
• From partitions to modular forms
  Apr, 2022: Dutch Mathematical Congress, Stieltjes Prize lecture
  May, 2021: Prize-winning KWG PhD prize presentation
  (for a general mathematical audience, slides, recording of the talk)
• Applications of the Bloch-Okounkov theorem
  Apr, 2021: Number theory seminar at University of Virginia (slides)
• Partitions and quasimodular forms: variations on the Bloch-Okounkov theorem
  Apr, 2021: Gromov-Witten theory seminar at University of Bonn
  Mar, 2021: Number theory seminar at Vanderbilt University, Nashville (slides, recording)
• A Kaneko-Zagier equation for Jacobi forms
  Nov, 2020: online DIAMANT Symposium (slides)
  Nov, 2020: Japan Europe Number Theory Exchange Seminar (slides)
• Functions on partitions and q-analogues of Multiple Zeta Values
  Feb, 2020: 13th Young Mathematicians Conference on Zeta Functions, Toyama
• Quasimodularity of border strip moments
  May, 2019: Cologne Number Theory Seminar, Köln
• A (super)symmetric Bloch-Okounkov theorem
  Mar, 2019: 33rd Automorphic Forms Workshop, Pittsburgh
  Nov, 2018: Aachen-Bonn-Köln-Lille-Siegen seminar on automorphic forms, Utrecht
• Harmonic shifted symmetric polynomials and the Bloch-Okounkov theorem
  Sep, 2018: ELAZ, Bonn
  Apr, 2018: DIAMANT Symposium, Veldhoven
• Quantitative Results on Diophantine Equations in Many Variables
  Nov, 2017: DIAMANT Symposium, Breukelen
  Jul, 2017: XXXth Journées Arithmétiques, Caen
• An equivariant version of Lehmer's conjecture on heights
  Mar, 2019: 33rd Automorphic Forms Workshop, Pittsburgh (speedtalk slides)
  May, 2016: DIAMANT Symposium, Veenendaal

Expository talks (in Dutch)

• Het nut van nutteloos onderzoek (Jan, 2026), Utrecht
• "Twijfel is het begin van wijsheid": Het kennisproces nader bekeken (Dec, 2025), Hogeschool Utrecht
• Op avontuur in de wonderbaarlijke wereld van de getallen (Jan, 2020), Utrecht