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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Published

2022-10-31

Issue

Vol. 15 No. 4: (October 2022)

Section

Nonlinear Analysis

License

Copyright (c) 2022 European Journal of Pure and Applied Mathematics

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How to Cite

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