article published yes Loukas Grafakos author Monica Visan author 056daca0-b8d1-11f0-964f-f91054abf8ca We discuss how countable subadditivity of operators can be derived from subadditivity under mild forms of continuity, and provide examples manifesting such circumstances. Cambridge University Press2024 eng 0308-2105 1473-7124 2304.0783110.1017/prm.2023.77 15451504-1517 yes L. Grafakos, M. Vişan, Proceedings of the Royal Society of Edinburgh: Section A Mathematics 154 (2024) 1504–1517. Grafakos L, Vişan M. 2024. Remarks on countable subadditivity. Proceedings of the Royal Society of Edinburgh: Section A Mathematics. 154(5), 1504–1517. Grafakos, Loukas, and Monica Vişan. “Remarks on Countable Subadditivity.” <i>Proceedings of the Royal Society of Edinburgh: Section A Mathematics</i>, vol. 154, no. 5, Cambridge University Press, 2024, pp. 1504–17, doi:<a href="https://doi.org/10.1017/prm.2023.77">10.1017/prm.2023.77</a>. Grafakos, Loukas, and Monica Vişan. “Remarks on Countable Subadditivity.” <i>Proceedings of the Royal Society of Edinburgh: Section A Mathematics</i>. Cambridge University Press, 2024. <a href="https://doi.org/10.1017/prm.2023.77">https://doi.org/10.1017/prm.2023.77</a>. Grafakos, L., &#38; Vişan, M. (2024). Remarks on countable subadditivity. <i>Proceedings of the Royal Society of Edinburgh: Section A Mathematics</i>. Cambridge University Press. <a href="https://doi.org/10.1017/prm.2023.77">https://doi.org/10.1017/prm.2023.77</a> Grafakos L, Vişan M. Remarks on countable subadditivity. <i>Proceedings of the Royal Society of Edinburgh: Section A Mathematics</i>. 2024;154(5):1504-1517. doi:<a href="https://doi.org/10.1017/prm.2023.77">10.1017/prm.2023.77</a> L. Grafakos and M. Vişan, “Remarks on countable subadditivity,” <i>Proceedings of the Royal Society of Edinburgh: Section A Mathematics</i>, vol. 154, no. 5. Cambridge University Press, pp. 1504–1517, 2024. 220742026-06-19T08:22:51Z2026-06-30T11:03:28Z