Contra-(Λ, sp)-continuity and δ(Λ, sp)-closed sets

Authors

  • Chawalit Boonpok Mahasarakham University
  • Chokchai Viriyapong Mahasarakham University

DOI:

https://doi.org/10.29020/nybg.ejpam.v15i4.4370

Keywords:

$\delta(\Lambda,sp)$-closed set, upper contra-$(\Lambda,sp)$-continuous multifunction, lower contra-$(\Lambda,sp)$-continuous multifunction

Abstract

This paper deals with the concepts of upper and lower contra-(Λ, sp)-continuous multifunctions. Moreover, some characterizations of upper and lower contra-(Λ, sp)-continuous multifunctions are investigated.

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How to Cite

Boonpok, C., & Viriyapong, C. (2022). Contra-(Λ, sp)-continuity and δ(Λ, sp)-closed sets. European Journal of Pure and Applied Mathematics, 15(4), 1694–1704. https://doi.org/10.29020/nybg.ejpam.v15i4.4370

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