X-ray polarisation in AGN circumnuclear media - Polarisation framework and 2D torus models Bert Vander Meulen, Peter Camps, Ðorđe Savić, Maarten Baes, Giorgio Matt and Marko Stalevski A&A, 689 (2024) A297 Published online: 19 September 2024 DOI: 10.1051/0004-6361/202450773