Jędrzej Hodor

Papers:

Preprints:
all my arxiv records

1. Treedepth and 2-treedepth in graphs with no long induced paths (2025)
   with Freddie Illingworth, Tomasz Mazur
   arxiv:2508.04445

2. Centered colorings in minor-closed graph classes (2024)
   with Hoang La, Piotr Micek, Clément Rambaud
   arxiv:2411.02122

3. Quickly excluding an apex-forest (2024)
   with Hoang La, Piotr Micek, Clément Rambaud
   arxiv:2404.17306

4. Treewidth is Polynomial in Maximum Degree on Graphs Excluding a Planar Induced Minor (2024)
   with Édouard Bonnet, Tuukka Korhonen, Tomáš Masařík
   arxiv:2312.07962

Published or accepted:

5. Forcing the Wheel (2025)
   with William T. Trotter
   Order
   doi:10.1007/s11083-025-09695-z
   arxiv:2304.08112

6. The depth of Tsirelson's norm (2025)
   with Kevin Beanland
   Studia Mathematica
   doi:10.4064/sm230707-24-9
   arxiv:2306.10344

7. Weak coloring numbers of minor-closed graph classes (2025)
   with Hoang La, Piotr Micek, Clément Rambaud
   SODA 2025
   doi:10.1137/1.9781611978322.107 (extended abstract)
   arxiv:2407.04588

8. Boolean dimension of a Boolean lattice (2024)
   with Marcin Briański, Hoang La, Piotr Micek, Katzper Michno
   Order
   doi:10.1007/s11083-024-09666-w
   arxiv:2307.16671 

9. The grid-minor theorem revisited (2024)
   with Vida Dujmović, Robert Hickingbotham, Gweanël Joret, Hoang La, Piotr Micek, Pat Morin, Clément Rambaud, David R. Wood
   SODA 2024
   doi:10.1137/1.9781611977912.48 (extended abstract)
   arxiv:2307.02816 (full version)

10. Counting Unions of Schreier Sets (2024)
    with Kevin Beanland, Dmitriy Gorovoy, Daniil Homza
    Bulletin of the Australian Mathematical Society
    doi:10.1017/S0004972723001326
    arxiv:2211.01049 (see both versions)

11. Reconfiguring Independent Sets on Interval Graphs (2021)
    with Marcin Briański, Stefan Felsner, Piotr Micek
    MFCS 2021
    doi:10.4230/LIPIcs.MFCS.2021.23 

My talks:

External talks:
08/2025 Eurocomb'25, "Quickly excluding an apex forest"
05/2025 28th Ontario Combinatorics Workshop, "Planarity and dimension", slides
05/2025 CanaDAM 2025, "Excluding a rooted minor", slides
01/2025 Annual ACM-SIAM Symposium on Discrete Algorithms [SODA], "Weak coloring numbers of minor-closed graph classes", slides
11/2024 Université de Bordeaux, LaBri, "Planarity and dimension", slides
09/2024 10th Polish Combinatorial Conference, "Weak coloring numbers of minor-closed graph classes", slides

Talks at JU:
10/2024 Uniwersytet Jagielloński, TCS, "Weak coloring numbers of minor-closed graph classes", slides,  recording
11/2022 Uniwersytet Jagielloński, Dynamical systems, "The dynamical zeta function and roots of toral endomorphism",  slides
11/2022 Uniwersytet Jagielloński, TCS, "Dimension of planar posets", slides,  recording

More talks

My research-related travels:
Thirteenth Annual Workshop on Geometry and Graphs, Holetown, 🇧🇧 02/2026
47th Australasian Combinatorics Conference, Wellington, 🇳🇿 12/2025
A research visit, Melbourne, 🇦🇺 11/2025
The First China-France Conference on Structural and Extremal Graph Theory, Jinan, 🇨🇳 10/2025
10th Cracow Conference on Graph Theory, Kraków, 🇵🇱 09/2025
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Eurocomb'25, Budapest, 🇭🇺 08/2025
28th Ontario Combinatorics Workshop, Ottawa, 🇨🇦 05/2025
Canadian Discrete and Algorithmic Mathematics Conference (CanaDAM), Ottawa, 🇨🇦 05/2025
Twelfth Annual Workshop on Geometry and Graphs, Holetown, 🇧🇧 02/2025
ACM-SIAM Symposium on Discrete Algorithms (SODA), New Orleans, 🇺🇸 01/2025
Homonolo 2024, Nová Louka, 🇨🇿 12/2024
A research visit, Paris, 🇫🇷 11/2024
A research visit, Bordeaux, 🇫🇷 11/2024
10th Polish Combinatorial Conference, Będlewo, 🇵🇱 09/2024
Order &  Geometry Workshop, Wittenberg, 🇩🇪 09/2024
Structural Graph Theory Workshop 2, Chęciny, 🇵🇱 07/2024
50th International Workshop on Graph-Theoretic Concepts in Computer Science (WG), Gozd Martuljek, 🇸🇮 06/2024
Algomanet - spring, Kraków, 🇵🇱 05/2024
EPIT 2024 - Graphs and Algorithms: Conjectures, Aussois, 🇫🇷 05/2024
A mini workshop, Paris, 🇫🇷 02/2024
Structural Graph Theory Workshop, Będlewo, 🇵🇱 09/2023
Structural Graph Theory Bootcamp, Warsaw, 🇵🇱 09/2023
Order & Geometry Workshop, Ciążeń, 🇵🇱 09/2022
Structural Graph Theory Workshop, Gułtowy, 🇵🇱 06/2022 

My studies: (all at Jagiellonian University)

Pure Mathematics:
2016 - 2019 Bachelor's degree
thesis: Sets of Multiples without Asymptotic Density, advised by Dominik Kwietniak
2019 - 2022 Master's degree
thesis: The dynamical zeta function and roots of toral endomorphisms, advised by Jakub Byszewski (it received some awards: 1 2)

Theoretical Computer Science:
2018 - 2021 Bachelor's degree
thesis: Centered coloring bounds in linear colorings and pathwidth, advised by Piotr Micek
2021 - 2023 Master's degree
thesis: Forcing the wheel, advised by Piotr Micek (it received an award: 1)

Some stuff:

• link  A broad collection of scanned notes in various subjects of maths and computer science gathered during my studies. 

• link  A course "Introduction to Order Theory" conducted by Piotr Micek and Stefan Felsner in the fall of 2020 at JU.

• link  Theoretical Computer Science seminar at JU.

• link  A cool poset.

• link  Tsirelson's webpage about his space.

• link  A substantial subset of places that I have visited.

• link  My runs.