Schriftzug: Fachbereich Mathematik 
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Lorenz Hilfiker


PhD student

Research interests: Integrability

Research cluster: SFB 676 (A11) Particles, Strings and the Early Universe

Bio: I obtained my Bachelor in physics (major) and mathematics (minor) in Bern. After an exchange semester in Berlin I went on to complete the Masters in Particles, Strings and Cosmology in Durham (UK). In my PhD project I study functional equations in 2-dimensional integrable quantum field theories (mostly within the framework of topological defects in conformal field theory and its relevant perturbations) and their solutions. The emergence of these equations is a consequence of the high amount of symmetry in integrable systems, and understanding their solutions often amounts to solving the spectral problem of an integrable model.

Department of Mathematics
Section Algebra and Number Theory
Bundesstraße 55 (Geomatikum)
20146 Hamburg
Room 318
Tel.: +49 40 42838-5181
E-Mail: lorenz.hilfiker (at)


Existence and uniqueness of solutions to Y-systems and TBA equations (with Ingo Runkel) arXiv:1708.00001

  Seitenanfang  Impress 2017-10-08, Lorenz Hilfiker