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Edalatzadeh, Behrouz, H. Sultan Al-Husseinawi, Abdulrasool, Karaaslan, Faruk, Shaveisi, Farzad, Dawood Dawood, Mohammed. (1404). Hesitant t-spherical fuzzy hamacher aggregation operators and their applications in multiple criteria group decision making. پژوهشنامه مدیریت اجرایی, 15(1), 198-235. doi: 10.22080/cjms.2026.30866.1795
Behrouz Edalatzadeh; Abdulrasool H. Sultan Al-Husseinawi; Faruk Karaaslan; Farzad Shaveisi; Mohammed Dawood Dawood. "Hesitant t-spherical fuzzy hamacher aggregation operators and their applications in multiple criteria group decision making". پژوهشنامه مدیریت اجرایی, 15, 1, 1404, 198-235. doi: 10.22080/cjms.2026.30866.1795
Edalatzadeh, Behrouz, H. Sultan Al-Husseinawi, Abdulrasool, Karaaslan, Faruk, Shaveisi, Farzad, Dawood Dawood, Mohammed. (1404). 'Hesitant t-spherical fuzzy hamacher aggregation operators and their applications in multiple criteria group decision making', پژوهشنامه مدیریت اجرایی, 15(1), pp. 198-235. doi: 10.22080/cjms.2026.30866.1795
Edalatzadeh, Behrouz, H. Sultan Al-Husseinawi, Abdulrasool, Karaaslan, Faruk, Shaveisi, Farzad, Dawood Dawood, Mohammed. Hesitant t-spherical fuzzy hamacher aggregation operators and their applications in multiple criteria group decision making. پژوهشنامه مدیریت اجرایی, 1404; 15(1): 198-235. doi: 10.22080/cjms.2026.30866.1795

Hesitant t-spherical fuzzy hamacher aggregation operators and their applications in multiple criteria group decision making

Caspian Journal of Mathematical Sciences
دوره 15، شماره 1 - شماره پیاپی 29، 2026، صفحه 198-235    اصل مقاله (809.44 K)
نوع مقاله: Research Articles
شناسه دیجیتال (DOI): 10.22080/cjms.2026.30866.1795
نویسندگان
Behrouz Edalatzadeh* 1؛ Abdulrasool H. Sultan Al-Husseinawi2؛ Faruk Karaaslan3؛ Farzad Shaveisi2؛ Mohammed Dawood Dawood4
1Department of Mathematics, Faculty of Science, Razi University, Kermanshah, Iran
2Department of Mathematics, Faculty of Science, Razi University, Kermanshah, Iran
3Department of Mathematics, Faculty of Sciences, Cankiri Karatekin University, 18100, Cankiri, Turkey
4Directorate of Anbar education, Iraq
تاریخ دریافت: 02 دی 1404،  تاریخ بازنگری: 07 اسفند 1404،  تاریخ پذیرش: 26 اسفند 1404 
چکیده
Building upon the foundation of Hesitant Fuzzy (HF) sets and T-Spherical Fuzzy (T-SFS) sets, this paper introduces the Hesitant T-Spherical Fuzzy (HT-SFS) set and presents its fundamental set-theoretical and Hamacher operations.
To provide a flexible and general framework for aggregating HT-SF information, this paper leverages the generalized Hamacher t-norm and t-conorm, which subsume several other operational laws as special cases. We introduce a family of novel aggregation operators based on these Hamacher operations, including the hesitant T-spherical fuzzy Hamacher weighted arithmetic averaging (HTSFHWAA) operator, hesitant T-spherical fuzzy Hamacher weighted geometric averaging (HTSFHWGA) operator, hesitant T-spherical fuzzy Hamacher ordered weighted arithmetic averaging (HTSFHOWAA) operator, and hesitant T-spherical fuzzy Hamacher ordered weighted geometric averaging (HTSFHOWGA) operator. The fundamental properties of these operators are investigated. Additionally, we provide a multi-criteria group decision-making (MCGDM) method and algorithm of the suggested method under the hesitant T-spherical fuzzy environment. To demonstrate the proposed method, we present an example related to filling a project manager position in child protection at an international organization.
کلیدواژه‌ها
Hesitant fuzzy set؛ T-spherical fuzzy set؛ HT-spherical fuzzy set؛ Hamacher operator؛ decision-making
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