Soft set
Template:Short description 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.[1] A soft set is a parameterised family of sets - intuitively, this is "soft" because the boundary of the set depends on the parameters. Formally, a soft set, over a universal set X and set of parameters E is a pair (f, A) where A is a subset of E, and f is a function from A to the power set of X. For each e in A, the set f(e) is called the value set of e in (f, A).
A systematic literature review on soft set theory was published in the journal Neural Computing and Applications in February 2024.[2]
One of the most important steps[why?] 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.[3] Soft sets have also been applied to the problem of medical diagnosis for use in medical expert systems. Fuzzy soft sets[4] and N-soft sets[5] have also been introduced. Mappings on fuzzy soft sets were defined and studied by Kharal and Ahmad.[6]
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Notes
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- ^ Page Module:Citation/CS1/styles.css has no content.Molodtsov, D. A. (1999). "Soft set theory—First results". Computers & Mathematics with Applications. 37 (4): 19–31. doi:10.1016/S0898-1221(99)00056-5.
- ^ Page Module:Citation/CS1/styles.css has no content.Alcantud, José Carlos R.; Khameneh, Azadeh Zahedi; Santos-García, Gustavo; Akram, Muhammad (2024-02-25). "A systematic literature review of soft set theory". Neural Computing and Applications. 36 (16): 8951–8975. doi:10.1007/s00521-024-09552-x. hdl:10366/156170. ISSN 1433-3058.
- ^ Page Module:Citation/CS1/styles.css has no content.Kharal, Athar; B. Ahmad (September 2011). "Mappings on Soft Classes". New Mathematics and Natural Computation. 7 (3): 471–481. arXiv:1006.4940. doi:10.1142/S1793005711002025.
- ^ Page Module:Citation/CS1/styles.css has no content.Maji, P.; Biswas, R.; Roy, A. (2001). "Fuzzy soft sets". J Fuzzy Math. 9: 589–602.
- ^ Page Module:Citation/CS1/styles.css has no content.Fatimah, Fatia; Rosadi, Dedi; Hakim, R. B. Fajriya; Alcantud, José Carlos R. (2018-06-01). "N-soft sets and their decision making algorithms". Soft Computing. 22 (12): 3829–3842. doi:10.1007/s00500-017-2838-6. ISSN 1433-7479.
- ^ Page Module:Citation/CS1/styles.css has no content.Kharal, Athar; B. Ahmad (2009). "Mappings on Fuzzy Soft Classes". Advances in Fuzzy Systems. 2009: 1–6. doi:10.1155/2009/407890.
References
- Molodtsov D. A. A theory of soft sets. Moscow: Editorial URSS, 2004.
- Matsievsky S. V. Sets, multisets, fuzzy and soft sets without universe. Vestnik IKSUR, 2007, N. 10, pp. 44–52.
- Ahmad, B., Kharal, A.On Fuzzy Soft Sets. Advances in Fuzzy Systems Volume 2009 (2009), Article ID 586507, 6 pages Script error: No such module "CS1 identifiers"..
