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Cumulative continuity of horizontally quasicontinuous multifunctions
Nesterenko Vasyl Volodymyrovych 1 , Fotiy Olena Georgiivna 1
1 Department of Mathematical Analysis, Yuriy Fedkovych Chernivtsi National University, Chernivtsi, 58000, Ukraine
Keywords: quasicontinuous multifunctions
Abstract

Let X , Y be topologRa! spaces, B be a countable type subset of Y and Z be a separable metrizable space. We obtarn that for any set-valued /compact-valued/ multifunction ___ whmh !s upper /lower/ horizontally quasi-continuous and lower /upper/ continuous whh respect to the second variable there ex!sts a res!dual subset at every pornt of A x B.

References

1. Kempisty S. Sur les fuctions quasicontinues // Fund. Math. - 1932. - 19. - P. 184 - 197.
2. Neubrunn T. Quasi-continuity // Real Anal. Exch. - 1988. -1989. -14, No. 3. - P. 259 - 306.
3. Fotii O.G. Connections between different types of continuity of multivalued mappings: Dissertation...candidate of physical and mathematical sciences: 01.01.01.- Chernivtsi, 2008. - 122p.
4. Maslyuchenko V.K., Nesterenko V.V. Cumulative continuity and quasi-continuity of horizontally quasi-continuous functions // Ukr. mat. zhurn. - 2000. - 52, No. 12. - P. 1711 - 1714.

Cite
ACS Style
Nesterenko, V.V.; Fotiy, O.G. Cumulative continuity of horizontally quasicontinuous multifunctions. Bukovinian Mathematical Journal. 2018, 1
AMA Style
Nesterenko VV, Fotiy OG. Cumulative continuity of horizontally quasicontinuous multifunctions. Bukovinian Mathematical Journal. 2018; 1(4).
Chicago/Turabian Style
Vasyl Volodymyrovych Nesterenko, Olena Georgiivna Fotiy. 2018. "Cumulative continuity of horizontally quasicontinuous multifunctions". Bukovinian Mathematical Journal. 1 no. 4.
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