{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T06:55:06Z","timestamp":1777704906944,"version":"3.51.4"},"reference-count":28,"publisher":"SAGE Publications","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IFS"],"published-print":{"date-parts":[[2021,1,4]]},"abstract":"<jats:p>\u00a0In this paper, a multistage decision-making problem concerning uncertainty and ambiguity is discussed using Pythagorean fuzzy sets. Complement Pythagorean fuzzy membership grades and their properties are also considered. Using the definition of an alpha-level set, we introduce the multistage decision-making problems, where the possibility theory and satisfaction grades are declared with the help of Pythagorean membership grades. Pythagorean multistage decision-making is an uncertain theory, where decision-maker has only one opportunity to choose the scenario under the combination of Pythagorean possibility and satisfaction grades at each stage. According to the selection of criteria, a series of decision points are concluded. The payoff collaborates with these decision points at each stage. The multistage decision-making using Pythagorean fuzzy sets is the scenario-based theory in place of other theories like lottery-based theory etc. The results have been calculated using multistage Pythagorean fuzzy sets in which the decision-maker has only one chance to select the optimal solution. The TOPSIS technique has been applied and the comparison between these two techniques is highlighted.<\/jats:p>","DOI":"10.3233\/jifs-201661","type":"journal-article","created":{"date-parts":[[2020,10,27]],"date-time":"2020-10-27T15:21:13Z","timestamp":1603812073000},"page":"1343-1356","source":"Crossref","is-referenced-by-count":4,"title":["Multistage decision approach for short life cycle products using Pythagorean fuzzy set"],"prefix":"10.1177","volume":"40","author":[{"given":"Aamir","family":"Mahboob","sequence":"first","affiliation":[{"name":"Department of Mathematics, University of Management and Technology, Lahore, Pakistan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tabasam","family":"Rashid","sequence":"additional","affiliation":[{"name":"Department of Mathematics, University of Management and Technology, Lahore, 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