Fachbereich Mathematik 
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Merlin Christ

I HAVE MOVED. Please consult my external personal webpage for up to date information.

I completed my PhD in 2023 in mathematics in the Quantum Universe Research School under the supervision of Tobias Dyckerhoff.

Research interests:
-Higher category theory: categorified perverse sheaves (perverse schobers), aspects of categorified homological algebra.
-Representation theory: categorifications of cluster algebras, Calabi-Yau (dg-)algebras arising from surfaces, relation with Fukaya-categories.
-Applying higher category theory in representation theory.

Publications and preprints:

  • Perverse schobers, stability conditions and quadratic differentials (with Fabian Haiden and Yu Qiu)
    Preprint: arXiv:2303.18249. Submitted.
  • Complexes of stable ∞-categories (with Tobias Dyckerhoff and Tashi Walde)
    Preprint: arxiv:2301.02606
  • Cluster theory of topological Fukaya categories
    Preprint: arXiv:2209.06595
  • Geometric models for the derived categories of Ginzburg algebras of n-angulated surfaces via local-to-global principles
    Preprint: arXiv:2107.10091. Submitted.
  • Ginzburg algebras of triangulated surfaces and perverse schobers
    Forum Math. Sigma, 10:e8, 2022, doi:10.1017/fms.2022.1 (open access). arXiv:2101.01939
  • Spherical monadic adjunctions of stable infinity categories
    Int. Math. Res. Not. IMRN, 2023(15):13153–13213, 2022, doi:10.1093/imrn/rnac187. arXiv:2010.05294




  • Summer semester 2023: Tutor Linear Algebra II, Seminar on Symplectic and Hochschild (co)homology (coorganized)
  • Winter semester 2022/23: No teaching
  • Summer semester 2022: No teaching
  • Winter semester 2021/22: Tutor Linear Algebra I
  • Summer semester 2021: Tutor Algebraic Topology
  • Winter semester 2020/21: Tutor Mathematics for Physicists III
  • Summer semester 2020: Tutor Mathematics for Physicists II
  • Winter semester 2019/20: Student tutor Algebra I
  • Summer semester 2019: Student tutor Linear Algebra II
  • Winter semester 2018/19: Student tutor Linear Algebra I


Department of Mathematics
Research Group: Algebra and number theory
Bundesstraße 55
20146 Hamburg
Room 340
email: merlin.christ (at) uni-hamburg.de

Office hours: By appointment.

  Seitenanfang  Impress 2023-09-29, Merlin Christ