On upper and lower a l p h a -continuous multifunctions

Valeriu Popa; Takashi Noiri

Mathematica Slovaca (1993)

  • Volume: 43, Issue: 4, page 477-491
  • ISSN: 0139-9918

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Popa, Valeriu, and Noiri, Takashi. "On upper and lower $alpha$-continuous multifunctions." Mathematica Slovaca 43.4 (1993): 477-491. <http://eudml.org/doc/31885>.

@article{Popa1993,
author = {Popa, Valeriu, Noiri, Takashi},
journal = {Mathematica Slovaca},
keywords = {upper -continuous multifunctions; lower -continuous multifunctions},
language = {eng},
number = {4},
pages = {477-491},
publisher = {Mathematical Institute of the Slovak Academy of Sciences},
title = {On upper and lower $alpha$-continuous multifunctions},
url = {http://eudml.org/doc/31885},
volume = {43},
year = {1993},
}

TY - JOUR
AU - Popa, Valeriu
AU - Noiri, Takashi
TI - On upper and lower $alpha$-continuous multifunctions
JO - Mathematica Slovaca
PY - 1993
PB - Mathematical Institute of the Slovak Academy of Sciences
VL - 43
IS - 4
SP - 477
EP - 491
LA - eng
KW - upper -continuous multifunctions; lower -continuous multifunctions
UR - http://eudml.org/doc/31885
ER -

References

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  1. ANDRIJEVIĆ D., Some properties of the topology of σ-sets, Mat. Vesnik 36 (1984), 1-10. (1984) MR0880637
  2. BÁNZARU T., On some properties of multifunctions, (Romanian), Stud. Cerc. Mat. 24 (1972), 1503-1510. (1972) MR0383345
  3. CROSSLEY S. G., HILDEBRAND S. K., Semi-closure, Texas J. Sci. 22 (1971), 99-112. (1971) 
  4. DI MAIO G., NOIRI T., On s-closed spaces, Indian J. Pure Appl. Math. 18 (1987), 226-233. (1987) Zbl0625.54031MR0880176
  5. HASANEIN I. A., LONG P. E., MASHHOUR A. S., Functions with σ-closed graphs and preclosed graphs, (Reprint). 
  6. KOVAČEVIĆ I., Subsets and paracompactness, Univ. u Novom Sadu Zb. Rad. Prirod.-Mat. Fak. Ser. Mat. 14 (1984), 79-87. (1984) Zbl0597.54021MR0850242
  7. LEVINE N., Semi-open sets and semi-continuity in topological spaces, Amer. Math. Monthly 70 (1963), 36-41. (1963) Zbl0113.16304MR0166752
  8. MAHESHWARI S. N., JAIN P. C., Some new mappings, Mathematica (Cluj) 24(47) (1982), 53-55. (1982) Zbl0513.54008MR0692185
  9. MAHESHWARI S. N., THAKUR S. S., On α-compact spaces, Bull. Inst. Math. Acad. Sinica 13 (1985), 341-347. (1985) MR0866569
  10. MAHESHWARI S. N., TAPI U. D., Note on some applications on feebly open sets, Madhya Bharati, J. Univ. Saugar, (To appear). 
  11. MASHHOUR A. S., ABD EL-MONSEF M. E., EL-DEEB S. N., On precontinuous and weak precontinuous mappings, Proc. Math. Phys. Soc. Egypt 53 (1982), 47-53. (1982) MR0830896
  12. MASHHOUR A. S., HASANEIN I. A., EL-DEEB S. N., α-continuous and α-open mappings, Acta Math. Hungar. 41 (1983), 213-218. (1983) MR0703734
  13. ABD EL-MONSEF M. E., EL-DEEB S. N., MAHMOUD R. A., β-open sets and β-continuous mappings, Bull. Fac. Sci. Assiut Univ. 12 (1983), 77-90. (1983) MR0828081
  14. NEUBRUNN T., Strongly quasi-continuous multivalued mappings, In: General Topology and its Relations to Modern Analysis and Algebra VI (Prague 1986), Heldermann, Berlin, 1988, pp. 351-359. (1986) MR0952621
  15. NJÅSTAD O., On some classes of nearly open sets, Pacific J. Math. 15 (1965), 961-970. (1965) Zbl0137.41903MR0195040
  16. NOIRI T., On semi-continuous mappings, Atti Accad. Naz. Lincei Rend. Cl. Sci. Fis. Mat. Natur. (8) 54 (1973), 210-214. (1973) Zbl0275.54010MR0350686
  17. NOIRI T., A note on semi-continuous mappings, Atti Accad. Naz. Lincei Rend. Cl. Sci. Fis. Mat. Natur. (8) 55 (1973), 400-403. (1973) MR0367897
  18. NOIRI T., A function which preserves connected spaces, Časopis Pěst. Mat. 107 (1982), 393-396. (1982) Zbl0511.54008MR0683820
  19. NOIRI T., On α-continuous functions, Časopis Pěst. Mat. 109 (1984), 118-126. (1984) MR0744869
  20. NOIRI T., DI MAIO G., Properties of α-compact spaces, In: Third National Conference on Topology (Trieste, 1986) (Italian), Rend. Circ. Mat. Palermo (2) Suppl. 18 (1988), 359-369. (1986) MR0958747
  21. NOIRI T., POPA V., On upper and lower β-continuous multifunctions, (Preparing). 
  22. POPA V., Weakly continuous multifunctions, Boll. Un. Mat. Ital. A (5) 15 (1978), 379-388. (1978) Zbl0391.54010MR0514990
  23. POPA V., On characterizations of feebly continuous functions, Mathematica (Cluj) 27(52) (1985), 167-170. (1985) Zbl0602.54013MR0853505
  24. POPA V., Sur certaines formes faibles de continuity pour les multifonctions, Rev. Roumaine Math. Pures Appl. 30 (1985), 539-546. (1985) MR0826235
  25. POPA V., Some properties of H-almost continuous multifunctions, Problemy Mat. 10 (1988), 9-26. (1988) MR1068292
  26. REILLY I. L., VAMANAMURTHY M. K., Connectedness and strong semi-continuity, Časopis Pěst. Mat. 109 (1984), 261-265. (1984) Zbl0553.54005MR0755590
  27. WINE J. D., Locally paracompact spaces, Glasnik Mat. 10(30) (1975), 351-357. (1975) Zbl0312.54027MR0410666

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