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Limit properties of induced mappings

✍ Scribed by Janusz J. Charatonik; Wl̵odzimierz J. Charatonik


Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
127 KB
Volume
100
Category
Article
ISSN
0166-8641

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✦ Synopsis


Given a class M of mappings f between continua, near-M stands for the class of uniform limits of sequences of mappings from M. Let 2 f and C(f ) mean the induced mappings between hyperspaces. Relations are studied between the conditions: f ∈ near-M, 2 f ∈ near-M and C(f ) ∈ near-M. A special attention is paid to the classes M of open and of monotone mappings.


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Openness of induced mappings
✍ Janusz J. Charatonik; Wl̵odzimierz J. Charatonik; Alejandro Illanes 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 128 KB

Openness of induced mappings between hyperspaces of continua is studied. In particular we investigate continua X such that if for a mapping f : It is shown that, besides hereditarily locally connected continua, all fans have this property, while some Cartesian products do not have it. If f : X × Y