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--- start [2023/03/31 19:48] – [Results] ross.kang
+++ start [2023/09/22 15:14] – [A Sparse (Graphs) Coalition] ross.kang
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 ====== A Sparse (Graphs) Coalition ======
-This is a loose European-based network of researchers, formed in 2020 to stimulate research and collaboration in graph theory, particularly through remote means.
+This is a Europe-centred network of researchers, formed in 2020 to stimulate research and collaboration in graph theory, particularly through remote means.
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   * Dreier, Gajarsky, Jiang, Ossona de Mendez, Raymond. Twin-width and generalized coloring numbers. https://arxiv.org/abs/2104.09360
   * Groenland, Kaiser, Treffers, Wales. Graphs of low average degree without independent transversals. https://arxiv.org/abs/2106.15175
-  * Davies, Illingworth. The $\chi$-Ramsey problem for triangle-free graphs. https://arxiv.org/abs/2107.12288
+  * Davies, Illingworth. The χ-Ramsey problem for triangle-free graphs. https://arxiv.org/abs/2107.12288
   * Hurley, Pirot. A first moment proof of the Johansson-Molloy theorem. https://arxiv.org/abs/2109.15215
   * Davies, Keller, Kleist, Smorodinsky, Walczak. A solution to Ringel’s circle problem. https://arxiv.org/abs/2112.05042
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   * Cook, Masařík, Pilipczuk, Reinald, Souza. Proving a directed analogue of the Gyárfás-Sumner conjecture for orientations of $P_4$. https://arxiv.org/abs/2209.06171
   * Hurley, Pirot. Uniformly Random Colourings of Sparse Graphs. https://arxiv.org/abs/2303.15367
+  * Duraj, Kang, La, Narboni, Pokrývka, Rambaud, Reinald. The χ-binding function for d-directional segment graphs. https://arxiv.org/abs/2309.06072
 We believe that this method of working has broader scope, see https://euromathsoc.org/magazine/issues/120/mag-23. We are happy to share our experiences with this "online research guild".