Matthias Hammer

I am a PostDoc in the group of Jochen Blath at TU Berlin.

Contact:

Dr. Matthias Hammer
TU Berlin, Fakultät II
Institut für Mathematik, MA 7-5
Straße des 17. Juni 136
D-10623 Berlin

E-Mail: hammer 'at' math.tu-berlin.de
Tel.: +49-30-314-79366

Office: MA 778

Office hour: By appointment.

• Stochastic partial differential equations and their dual interacting particle systems.
• Spatial branching particle systems, in particular branching Markov processes, with and without immigration.

• Matthias Hammer, Reinhard Hoepfner, and Tobias Berg:
  Ergodic branching diffusions with immigration: properties of invariant occupation measure, identification of particles under high-frequency observation, and estimation of the diffusion coefficient at nonparametric rates
  Preprint, arXiv:1905.02656, 2019.
• Matthias Hammer and Yu-Ting Chen:
  Coexistence in competing species models
  Erscheint in: Lecture Notes Series, Institute for Mathematical Sciences, National University of Singapore (2019+), arXiv:1802.10476.
• Matthias Hammer, Marcel Ortgiese, and Florian Voellering:
  Entrance laws for annihilating Brownian motions and the continuous-space voter model
  Preprint, arXiv:1801.06197, 2019.
• Matthias Hammer, Marcel Ortgiese, and Florian Voellering:
  A new look at duality for the symbiotic branching model.
  Ann. Probab. 46 (5), 2800-2862, 2018.
• Jochen Blath, Mathias Cronjaeger, Bjarki Eldon, and Matthias Hammer:
  The site-frequency spectrum associated with Xi-coalescents
  Theor. Pop. Biol. 110, 36-50, 2016.
• Jochen Blath, Matthias Hammer, and Marcel Ortgiese:
  The scaling limit of the interface of the continuous-space symbiotic branching model.
  Ann. Probab. 44 (2), 807-866, 2016.
• Matthias Hammer and Marcel Ortgiese:
  The infinite rate symbiotic branching model: from discrete to continuous space
  Preprint, arXiv:1508.07826, 2016.
• Matthias Hammer
  Ergodicity and regularity of invariant measure for branching Markov processes with immigration.
  PhD thesis, Johannes Gutenberg Universitaet Mainz, 2012.