TY - JOUR AU - Sánchez Gabites, Jaime Jorge PY - 2024 DO - 10.1017/prm.2024.101 SN - 0308-2105 SN - 1473-7124 UR - https://hdl.handle.net/20.500.14352/114676 T2 - Proceedings of the Royal Society of Edinburgh Section A: Mathematics AB - Consider a flow in R3 and let K be the biggest invariant subset of some compact region of interest N ⊆ R. The set K is often not computable, but the way the flow crosses the boundary of N can provide indirect information about it. For example,... LA - eng PB - Cambridge University Press TI - A criterion to detect a non-trivial homology of an invariant set of a flow in R3 TY - journal article ER -