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On upper and lower δ-precontinuous multifunctions

✍ Scribed by Jin Han Park; Bu Young Lee; Mi Jung Son

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
122 KB
Volume
19
Category
Article
ISSN
0960-0779

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✦ Synopsis

In this paper we introduce and study d-precontinuous multifunctions as a generalization of precontinuous multifunctions due to Popa [Problemy Mat. 10 (1988) 9]. Some characterizations and several properties concerning upper (lower) d-precontinuous multifunctions are obtained. The relationships between upper (lower) d-precontinuous multifunctions and some known concepts are also discussed.

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