Anderson, Brian D.O.2026-01-012026-01-010018-9286ORCID:/0000-0002-1493-4774/work/174739608https://hdl.handle.net/1885/733799511Multiple-input-mulriple-ourput systems are considered which are linear, time-invariant, and finite dimensional and which possess a decentralized fixed mode. A transfer function characterization of this property is developed, which allows characterization also of the degree of a fixed mode, this concept being given a meaningful definition in the course of the paper.7en198210.1109/TAC.1982.11031030020291310