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yjdeq113307.subsection.2:12 Item: Title: 3.3 Normal form at transverse points Destination: yjdeq113307.subsection.3:16 Item: Title: 3.4 Passage near transverse points Destination: yjdeq113307.subsection.4:19 Item: Title: 4 Proof of Theorem 2 Destination: yjdeq113307.section.4:25 Item: Title: 5 Numerical example Destination: yjdeq113307.section.5:31 Item: Title: 6 Proof of Theorem 1 Destination: yjdeq113307.section.6:33 Item: Title: Acknowledgments Destination: yjdeq113307.section.6:38 Item: Title: Data availability Destination: yjdeq113307.section.6:41 Item: Title: References Destination: yjdeq113307.section.6:42 Info: Title: Limit cycles and critical periods with non-hyperbolic slow-fast systems Author: Peter De Maesschalck Subject: Journal of Differential Equations, 433 (2025) 113307. 10.1016/j.jde.2025.113307 Creator: Elsevier Producer: Acrobat Distiller 24.0 (Windows) CreationDate: Thu Apr 24 08:44:49 CEST 2025 ModDate: Thu Apr 24 08:44:49 CEST 2025 ID: 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Symbolic FontBBox: -180, -293, 1090, 1010 FontFile3: true EncodingDictionary: Differences: true ToUnicode: true XMP: 1 https://www.elsevier.com/tdm/tdmrep-policy.json application/pdf doi:10.1016/j.jde.2025.113307 Limit cycles and critical periods with non-hyperbolic slow-fast systems Peter De Maesschalck Joan Torregrosa Critical periods Non-hyperbolic slow-fast systems Journal of Differential Equations, 433 (2025) 113307. 10.1016/j.jde.2025.113307 Elsevier Inc. journal Journal of Differential Equations © 2025 The Authors. 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