Theoretical analysis demonstrates characterizations of contra and almost-contra continuous multifunctions, advancing foundational frameworks in general topology.
The authors have introduced and studied the concept of αg*s-continuous multifunction which are known as upper(lower) contra and almost-contra αg*s-continuous multifunction and basic characterizations and fundamental properties related to contra and almost-contra upper and lower αg*s-continuous multifunction’s. Also, weakly αg*s-continuous multifunctions are discussed and studied their basic properties.
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Patil et al. (2026) studied this question.
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