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M. Sc. Christian Winter
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Tuesdays, 13:00-14:00, or by appointment
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Kollegiengebäude Mathematik (20.30)
1.025
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christian.winter@kit.edu
Semester | Titel | Typ |
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Summer Semester 2023 | Advanced Mathematics 2 | Lecture |
Winter Semester 2022/23 | Advanced Mathematics I | Lecture |
Summer Semester 2022 | Combinatorics | Lecture |
AG Discrete Mathematics | Seminar | |
Winter Semester 2021/22 | Advanced Mathematics I (Lecture) | Lecture |
Position: Ph.D. student under the guidance of Maria Axenovich, research group Discrete Mathematics.
Research Interest: Extremal Combinatorics, in particular Ramsey-type and saturation problems concerning inter alia:
- Graphs
- (Non-uniform) hypergraphs
- Posets and Boolean lattices
Publications:
- C. Winter. Poset Ramsey number R(P,Q_n). IV. Chain Compositions. Preprint on arXiv.
- M. Axenovich, C. Winter. Poset Ramsey number R(P,Q_n). III. N-shaped poset. Submitted, preprint on arXiv.
- C. Winter. Poset Ramsey number R(P, Q_n). II. Antichains. Submitted, preprint on arXiv.
- C. Winter. Poset Ramsey number R(P, Q_n). I. Complete multipartite posets. Submitted, preprint on arXiv.
- M. Axenovich, C. Winter. Poset Ramsey numbers: large Boolean lattice versus a fixed poset. Combinatorics, Probability and Computing, 1-16, 2023. (see preprint on arXiv).
- C. Winter. Lower Bound on the Size-Ramsey Number of Tight Paths. Journal of Combinatorics, Volume 14, Issue 2, 271-279, 2023. (see preprint on arXiv).
- C. Winter. Size-Ramsey Number of Uniform Hypergraph Paths. Master Thesis, University of Hamburg, 2021. (available here)
- M. Axenovich, C. Winter. A note on saturation for Berge-G hypergraphs. Graphs and Combinatorics, Volume 35, Issue 4, 933-939, 2019. (see preprint on arXiv)
- C. Winter. Berge saturation of non-uniform hypergraphs. Bachelor Thesis, Karlsruhe Institute of Technology, 2018. (available here)