Publications

1. Small counterexamples to the fat minor conjecture

with Marc Distel and Agelos Georgakopoulos

2026, submitted

2. Locally interval graphs are circular-arc graphs

with Tara Abrishami, Nathan Bowler, Paul Knappe and Jana K. Nickel

2025, submitted

3. Displaying prescribed sets of ends by linked tree-decompositions 

with Max Pitz and Roman Schaut

2025, submitted

4. Excluding K_2,t as a fat minor 

with Marc Distel and Agelos Georgakopoulos

2025, submitted

5. Counterexample to the conjectured coarse grid theorem 

with James Davies

2025, submitted

6. A coarse Halin Grid Theorem with applications to quasi-transitive, locally finite graphs 

with Matthias Hamann 

2025, submitted

7. Asymptotic half-grid and full-grid minors 

with Matthias Hamann

Journal of Combinatorial Theory, Series B, 176, 440 - 485 (2026)

8. On vertex sets inducing tangles 

with Hanno von Bergen, Raphael W. Jacobs, Paul Knappe and Paul Wollan

2024, submitted

9. A characterisation of graphs quasi-isometric to K_4-minor-free graphs 

with Raphael W. Jacobs, Paul Knappe and Paul Wollan 

Combinatorica, 45:61 (2025)

10. Tangle-tree duality in infinite graphs

2024, submitted

11. Counterexamples regarding linked and lean tree-decompositions of infinite graphs 

with Raphael W. Jacobs, Paul Knappe and Max Pitz

Journal of Graph Theory, 110 (4), 398 - 407 (2025)

12. Linked tree-decompositions into finite parts 

with Raphael W. Jacobs, Paul Knappe and Max Pitz

2024, submitted

13. Refining tree-decompositions so that they display the k-blocks

Journal of Graph Theory, 109 (3), 310 - 314 (2025)

14. A structural duality for path-decompositions into parts of small radius 

with Reinhard Diestel, Ann-Kathrin Elm, Eva Fluck, Raphael W. Jacobs, Paul Knappe and Paul Wollan

2023, submitted

15. A Menger-type theorem for two induced paths 

with Tony Huynh, Raphael W. Jacobs, Paul Knappe and Paul Wollan 

SIAM Journal on Discrete Mathematics, 38 (2), 1438 - 1450 (2024)

16. Optimal trees of tangles: refining the essential parts

2023, submitted

17. Refining trees of tangles in abstract separation systems: inessential parts

Combinatorial Theory, 4 (1) (2024)