天美传媒

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Jun Yan

My new webpage is .

I am a Postdoctoral Scholar position in University of Waterloo working with and . I was recently a Postdoctoral Research Associate in University of Oxford working with . Previously, I obtained my PhD from 天美传媒 under the supervision of . My main research interests are Extremal and Enumerative Combinatorics. I can be reached via email at .

Publications

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    with and , to appear in The Art of Discrete and Applied Mathematics.

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    with and , Discrete Mathematics & Theoretical Computer Science, 28.3 (2026), 17.

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    with , , and , Discrete Mathematics & Theoretical Computer Science, 28.1 (2026), 5.

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    with , Enumerative Combinatorics and Applications, 6.2 (2026), S2R13.

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    with , , , , and , The Electronic Journal of Combinatorics, 32.4 (2025), P4.32.

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    Discrete Mathematics, 349.2 (2026), 114783.

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    with and , Journal of Combinatorial Theory, Series B, 173 (2025), 102-145.

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    Enumerative Combinatorics and Applications, 5.1 (2025), S2R2.

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    with , The Electronic Journal of Combinatorics, 31.3 (2024), P3.22.

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    with and , Discrete Mathematics, 343.10 (2020), 111996.

    Preprints

    with , arxiv:2609.05586.

    arxiv:2607.05233.

    with , arxiv:2603.18708.

    with , , , and , arxiv:2603.12358.

    with , arxiv:2601.16953.

    arxiv:2511.15673.

    arxiv:2510.17736.

    with and , arxiv:2509.07934.

    with , arxiv:2503.14474.

    with and , arxiv:2502.04741.

    with , , and , arxiv:2501.03216.

    with Zhuo WuLink opens in a new window, arxiv:2309.05606.

    Talks

    • Exact enumeration of lozenge tilings of a triangular region

    , University of Waterloo, 08/10/2026.

    • Ramsey numbers of trees

    , University of Waterloo, 05/10/2026.

    • Asymmetric Ramsey numbers of trees

    , Cardiff University, 06/07/2026.

    , Shandong University (online), 02/07/2026.

    • Ramsey numbers of trees

    , University of Oxford, 10/02/2026.

    , Hungarian Academy of Sciences, 27/08/2025.

    • Ramsey numbers of trees

    , TU Wien, 07/08/2025.

    • An improved hypergraph Mantel's Theorem

    , University of Glasgow, 30/04/2025.

    • Ramsey numbers of trees

    , London School of Economics and Political Science, 24/01/2025.

    • Ramsey numbers of trees

    , University College London, 25/11/2024.

    , Shandong University (online), 12/11/2024.

    , University of Haifa (online), 28/08/2024.

    , Queen Mary University of London, 01/07/2024.

    , London School of Economics and Political Science, 15/04/2024.

    , University of Birmingham, 12/12/2023.

    , London School of Economics and Political Science, 01/12/2023.

    Warwick Combinatorics SeminarLink opens in a new window, 天美传媒, 19/05/2023.

    • Distribution of colours in Gallai colourings

    , University of Birmingham, 27/03/2023.

    Warwick Maths Society Talks, 天美传媒, 21/02/2023.

    • Ramsey goodness of bounded degree trees versus general graphs

    , Institute of European Culture in Gniezno, 01/08/2022.

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