Email: lastname [at]
Phone: +49-681-302-2480
Address: Mathematik und Informatik
Gebäude E.2.4 - Raum: 222
Universität des Saarlandes
66123 Saarbrücken (Germany)
Office hour: by appointment
Research interests:
  • algebraic surfaces, especially K3 and Enriques surfaces
  • irreducible holomorphic symplectic varieties
  • automorphisms and dynamics of surfaces
  • quadratic and hermitian forms and their applications to algebraic geometry
  • Simon Brandhorst, Alberto Cattaneo. Prime order isometries of unimodular lattices and automorphisms of IHS manifolds, arXiv:1912.07119.
  • Simon Brandhorst, Kenji Hashimoto. Extensions of maximal symplectic actions on K3 surfaces, arXiv:1910.05952
  • Simon Brandhorst, Sławomir Rams, Ichiro Shimada. On characteristic polynomials of automorphisms of Enriques surfaces, arXiv:1909.10813
  • Simon Brandhorst, Ichiro Shimada. Borcherds' method for Enriques surfaces, arXiv:1903.01087
  • Simon Brandhorst. On the stable dynamical spectrum of complex surfaces, Math. Ann. to appear, arXiv:1708.06169.


  1. Simon Brandhorst. The classification of purely non-symplectic automorphisms of high order on K3 surfaces. J. Algebra, 533:229--265, 2019, arXiv.
  2. Simon Brandhorst, Víctor González-Alonso. Automorphisms of minimal entropy on supersingular K3 surfaces, London Math. Soc., 97: 282-305 (2018), arXiv.
  3. Simon Brandhorst. Automorphisms of Salem degree 22 on supersingular K3 surfaces of higher Artin invariant, Math. Res. Let. Vol 25 (2018) No 4, pp. 1143-1150, arXiv.
  4. Simon Brandhorst. Dynamics on supersingular K3 surfaces and automorphisms of Salem degree 22, Nagoya Math. J. Vol 227 (2017), pp. 1-15 , arXiv.
  5. Simon Brandhorst, Marcel Erné. Tychonoff-like product theorems for local topological properties, Topology Proc. 45 (2015), 121-138, arXiv.