Colin Jahel
colin.jahel at tu-dresden.de
I am working at the intersection of Model Theory, Dynamics and Probability Theory.
I defended my PhD in 2021 in Lyon, France under the supervision of Lionel Nguyen Van Thé and Todor Tsankov. I was a postdoc for two years at Carnegie Mellon University and am now a postdoc at TU Dresden.
Papers and Preprints
-
A non-de Finetti theorem for countable Euclidian spaces (with Pierre Perruchaud), Arviv
-
Unitary representations of the isometry groups of Urysohn spaces (with Remi Barritault et Matthieu Joseph), Arxiv
-
When invariance implies exchangeability (and applications to invariant Keisler measures), (with Sam Braunfeld and Paolo Marimon), Arxiv
-
Quasi-invariant measures concentrating on countable structures (with Clinton Conley and Aristotelis Panagiotopoulos), Arxiv
- Extension property for partial automorphisms of the n-partite and semigeneric tournaments (with Jan Hubička, Matěj Konečný, Marcin Sabok), Arxiv
- Stabilizers for ergodic actions and invariant random expansions of non-archimedean Polish groups (with Matthieu Joseph), Arxiv.
- Asymptotic Theories of Classes Defined by Forbidden Homomorphisms (with Manuel Bodirsky), Arxiv.
- Invariant measures on products and on the space of linear orders (with Todor Tsankov), Journal de l'Ecole Polytechnique, Mathématiques, Tome 9 (2022), pp. 155-176, Arxiv.
- Minimal model-universal flows for locally compact Polish groups (with Andy Zucker), accepted at Israel Journal of Mathematics, Arxiv.
- Extending partial automorphisms of n-partite tournaments (with Jan Hubička, Matěj Konečný and Marcin Sabok), accepted at Eurocomb 2019, Arxiv.
- Unique ergodicity of the automorphism group of the semigeneric directed graph, accepted at Ergodic Theory and Dynamical Systems Arxiv.
- Topological dynamics of Polish group extensions (with Andy Zucker), accepted at European Journal of Combinatorics, Arxiv.