Buse, OlgutaLi, Jun2025-05-022025-05-022023Buse, O., & Li, J. (2023). Symplectic isotopy on non-minimal ruled surfaces. Mathematische Zeitschrift, 304(3), 44. https://doi.org/10.1007/s00209-023-03298-3https://hdl.handle.net/1805/47661We prove the stability of Symp(X,w) \Diff0(X) for a one-point blow-up of irrational ruled surfaces and study their topological colimit. Non-trivial generators of π0[Symp(X,w) \Diff0(X)] that differ from Lagrangian Dehn twists are detected.enPublisher Policysymplectomorphism groupsnon-minimal irrational ruled surfacesSymplectic isotopy on non-minimal ruled surfacesArticle