@article{van2026improved,
  title={An improved bound on the treewidth of planar graphs excluding a grid minor},
  author={van Batenburg, Wouter Cames and Claus, Quentin and Joret, Gwena{\"e}l and Petit, Robin and Raymond, Jean-Florent and Robinson, Eileen},
  journal={arXiv preprint arXiv:2609.15596},
  year={2026}
}