Special α-limit sets

dc.contributor.authorKolyada, Sergiǐ
dc.contributor.authorMisiurewicz, Michał
dc.contributor.authorSnoha, L’ubomír
dc.date.accessioned2022-05-12T14:48:46Z
dc.date.available2022-05-12T14:48:46Z
dc.date.issued2020
dc.description.abstractWe investigate the notion of the special α-limit set of a point. For a continuous selfmap of a compact metric space, it is defined as the union of the sets of accumulation points over all backward branches of the map. The main question is whether a special α-limit set has to be closed. We show that it is not the case in general. It is unknown even whether a special α-limit set has to be Borel or at least analytic (it is in general an uncountable union of closed sets). However, we answer this question affirmatively for interval maps for which the set of all periodic points is closed. We also give examples showing how those sets may look like and we provide some conjectures and a problem.en_US
dc.identifier.citationKolyada, S., Misiurewicz, M., & Snoha, L. (2020). Special α-limit sets. In P. Moree, A. Pohl, L. Snoha, & T. Ward (Eds.), Contemporary Mathematics (Vol. 744, pp. 157–173). American Mathematical Society. https://doi.org/10.1090/conm/744/14976en_US
dc.identifier.urihttps://hdl.handle.net/1805/28957
dc.language.isoenen_US
dc.publisherAmerican Mathematical Societyen_US
dc.relation.isversionof10.1090/conm/744/14976en_US
dc.subjectα-limit seten_US
dc.subjectinterval mapsen_US
dc.subjectperiodic pointsen_US
dc.titleSpecial α-limit setsen_US
dc.typeBook chapteren_US
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