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Rigorous integratio...
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Galias, ZbigniewAGH Univ Sci & Technol, Dept Elect Engn, Mickiewicza 30, PL-30059 Krakow, Poland
(författare)
Rigorous integration of smooth vector fields around spiral saddles with an application to the cubic Chua's attractor
- Artikel/kapitelEngelska2019
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Elsevier BV,2019
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LIBRIS-ID:oai:DiVA.org:uu-375798
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-375798URI
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https://doi.org/10.1016/j.jde.2018.08.035DOI
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Språk:engelska
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Sammanfattning på:engelska
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In this paper, we present a general mathematical framework for integrating smooth vector fields in the vicinity of a fixed point with a spiral saddle. We restrict our study to the three-dimensional setting, where the stable manifold is of spiral type (and thus two-dimensional), and the unstable manifold is one-dimensional. The aim is to produce a general purpose set of bounds that can be applied to any system of this type. The existence (and explicit computation) of such bounds is important when integrating along the flow near the spiral saddle fixed point. As an application, we apply our work to a concrete situation: the cubic Chua's equations. Here, we present a computer assisted proof of the existence of a trapping region for the flow.
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Tucker, Warwick,1970-Uppsala universitet,Matematiska institutionen(Swepub:uu)watuc425
(författare)
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AGH Univ Sci & Technol, Dept Elect Engn, Mickiewicza 30, PL-30059 Krakow, PolandMatematiska institutionen
(creator_code:org_t)
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Ingår i:Journal of Differential Equations: Elsevier BV266:5, s. 2408-24340022-03961090-2732
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