email: robert last name 1990 (all one word) at gmail dot com

I am currently a maths postdoc at Charles University in Prague, mentored by Samuel Braunfeld. (Previously I was a postdoc at the University of Münster, mentored by Aleksandra Kwiatkowska.)

Papers

• Sharply k-transitive actions on ultrahomogeneous structures.
  (with J. de la Nuez González)
  early draft. arxiv

• Extensive embeddings into Fraïssé structures and stationary weak independence relations.
  (with A. Kwiatkowska and J. Winkel)
  submitted. arxiv

• Embeddings into the generic poset.
  (with A. Kwiatkowska and J. Winkel)
  submitted. arxiv

• Flows of linear orders on sparse graphs.
  Commentationes Mathematicae Universitatis Carolinae (2025). arxiv

• The externally definable Ramsey property and fixed points on type spaces.
  (with N. Meir)
  Arch. Math. Logic (2024). arxiv

• Sparse graphs and the fixed points on type spaces property.
  Model Theory, Vol. 3 (2024), No. 3, 861–882. arxiv

Current projects

• Simplicity of automorphism groups of ultrahomogeneous oriented graphs.
  (with S. Yang)

• Generic embeddings into ultrahomogeneous structures.
  (with A. Codenotti, A. Panagiotopoulos, J. Winkel)
  (see the slides from a talk I gave in Będlewo in Oct 2023 for an overview)

PhD thesis

Aspects of the topological dynamics of sparse graph automorphism groups.
I completed my PhD at Imperial College London in January 2022, under the supervision of David Evans.
https://doi.org/10.25560/95184

Teaching

Model Theory and Combinatorics.
Master's seminar co-organised with Martin Hils, 2024 summer term, University of Münster.
Informal typed notes (by Josia Pietsch, a Master's student who attended the seminar - I have not checked these)

Logic 3: Abstract Topological Dynamics and Descriptive Set Theory.
Teaching assistant: master's course, 2023/24 winter term, University of Münster. Lectured by Aleksandra Kwiatkowska.
Problem sheets and notes (website of lecturer)

Topics in Ramsey Theory.
Lecturer: master's course, 2022/23 winter term, University of Münster.
Handwritten notes

Slides from talks

Generic embeddings into Fraïssé structures.
Będlewo, Oct 2023: Conference on Generic Structures.
slides

The externally definable Ramsey property.
Berlin, Sep 2022: annual meeting of the Deutsche Mathematiker-Vereinigung.
slides

CV

Available here. (old - last updated December 2023)