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Finally, it is proved that when the second-order fuzzy coefficient p \u02dc ( t ) in the second-order fuzzy homogeneous differential equation is a fuzzy number, the solution set of its corresponding second-order granular homogeneous differential equation becomes larger, that is, the solution set of fuzzy differential equations with real numbers is a subset of the solution set with fuzzy coefficients as fuzzy numbers.<\/jats:p>","DOI":"10.3233\/jifs-223003","type":"journal-article","created":{"date-parts":[[2023,1,20]],"date-time":"2023-01-20T10:49:59Z","timestamp":1674211799000},"page":"6327-6340","source":"Crossref","is-referenced-by-count":3,"title":["Solving the homogeneous BVP of second order linear FDEs with fuzzy parameters under granular differentiability concept1"],"prefix":"10.1177","volume":"44","author":[{"given":"Hong","family":"Yang","sequence":"first","affiliation":[{"name":"College of Mathematics and Statistics, Northwest Normal University, Lanzhou, PR 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