Gerard van der Geer

• Arithmetic algebraic geometry
• Classification of algebraic varieties
• Hilbert modular surfaces
• Hilbert Modular Surfaces (Ergebnisse der Mathematik und ihrer Grenzgebiete. 3. Folge / A Series of Modern Surveys in Mathematics)
• K3 Surfaces and Their Moduli
• Modular forms on schiermonnikoog
• Moduli of Abelian Varieties
• Moduli of Abelian varieties
• Number fields and function fields
• Number Fields and Function Fields – Two Parallel Worlds (Progress in Mathematics Book 239)
• The moduli space of curves
• Rationality of Varieties