Soft set theory is a generalization of fuzzy set theory, that was proposed by Molodtsov in 1999 to deal with uncertainty in a parametric manner.
A systematic literature review on soft set theory was published in the journal Neural Computing and Applications in February 2024.
for the new theory of soft sets was to define mappings on soft sets, which was achieved in 2009 by the mathematicians Athar Kharal and Bashir Ahmad, with the results published in 2011.
Mappings on fuzzy soft sets were defined and studied by Kharal and Ahmad.
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