building a world. FIRST LIGHT. November 7 2026. Barbican, London

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#New_arXiv_paper *Seokbeom Kim*, *O-joung Kwon*, and Myounghwan Lee, An FPT algorithm for cycle rank on semi-complete digraphs, 2026. arxiv.org/abs/2606.29336

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#New_accepted_paper Jungho Ahn, Kevin Hendrey, *O-joung Kwon*, and *Sang-il Oum*, Unavoidable pivot-minors in graphs of large rank-depth, SIAM J. Discrete Math., accepted, 2026. arxiv.org/abs/2507.12697

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#New_accepted_conference_paper Tuukka Korhonen and *Sang-il Oum*, Branch-width of connectivity functions is fixed-parameter tractable, In the Proceedings of FOCS 2026 (New York City, NY, USA, November 8-11, 2026), accepted, 2026. arxiv.org/abs/2601.04756

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Matt Larson: Counterexamples to two conjectures about matroids https://arxiv.org/abs/2607.02208 https://arxiv.org/pdf/2607.02208 https://arxiv.org/html/2607.02208

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