Number Theory

Our research encompasses a broad range of topics within number theory. Some of our research interests include:
  • Algebraic curves
  • Algebraic and arithmetic dynamics
  • Algorithmic number theory
  • Analytic number theory
  • Applications of number theory to spectral geometry
  • Arithmetic geometry
  • Arithmetic of linear differential equations
  • Arithmetic statistics
  • Diophantine problems
  • Geometry of numbers
  • Hypergeometric functions
  • Number theory in function fields of positive characteristic
  • Relation between number theory and logic: undecidability and o-minimality

Our members

Frits Beukers (webpage)
Interests: Number theory (in particular diophantine matters), Arithmetic and monodromy of linear differential equations, hypergeometric functions.
Gunther Cornelissen (webpage)
Interests: Number Theory and Geometry
Mar Curcó Iranzo (webpage)
Supervisor: Valentijn Karemaker
Interests: Arithmetic geometry and number theory: Rational points on Jacobians of modular curves, modular forms and elliptic K3 surfaces.
Lasse Grimmelt (webpage)
Interests: Analytic number theory
Mikhail Hlushchanka (webpage)
Interests: Dynamical systems (in particular, holomorphic, symbolic, and arithmetic dynamics), self-similar groups, conformal and fractal geometry.
Jan-Willem van Ittersum
Supervisor: Gunther Cornelissen & Don Zagier
Interests: Number theory (in particular (quasi)modular forms), algebraic combinatorics and enumerative geometry.
Valentijn Karemaker (webpage)
Interests: Arithmetic geometry and number theory: rational points on, zeta functions of, and Galois representations attached to algebraic varieties.
Stefano Marseglia (webpage)
Interests: Arithmetic Geometry and Number Theory, with focus on computational aspects
Marta Pieropan (webpage)
Interests: algebraic geometry and number theory, Diophantine geometry, analytic number theory
Lola Thompson (webpage)
Interests: Analytic number theory, algorithmic number theory, applications of number theory to spectral geometry
Marieke van der Wegen
Supervisor: Gunther Cornelissen and Hans Bodlaender
Shuntaro Yamagishi (webpage)
Interests: Number theory

Local events

Learning Enough/Extra/Elementary/Explicit Number Theory. LENT is a learning seminar in number theory. Please contact Gunther Cornelissen for more information.

National and international events

Getaltheorie in het Vlakke land and Arithmétique en plat pays.
DIAMANT Symposium. Semiannual meeting of the Dutch research cluster DIAMANT.
ABKLS. A regional seminar on modular forms and related topics.
Intercity Number Theory Seminar. Since 1993 the Intercity number theory seminar has met once or twice a month on Fridays at varying locations in or close to Holland, most frequently in Leiden, Amsterdam, Groningen, Utrecht, Nijmegen and Eindhoven.

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