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Hyper-Fitting Ideals of Krasner Hypercomultiplication Hypermodules | ||
| Journal of Algebra and Related Topics | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 06 مهر 1405 اصل مقاله (151 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22124/jart.2026.33217.1928 | ||
| نویسنده | ||
| S. Hadjirezaei* | ||
| Department of Mathematics, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran | ||
| چکیده | ||
| Let R be a commutative hyperring with identity and let M be an R-hypermodule. For Krasner hypermodules admitting finite free presentations, we define hyper-Fitting ideals via an internal determinantal construction and prove that, after fundamental saturation, they coincide with the pullbacks of the classical Fitting ideals of the fundamental module. This gives a presentation-independent notion of hyper-Fitting ideals. We also introduce hypercomultiplication hypermodules, show that their fundamental modules are classical comultiplication modules, and obtain criteria for fundamental cyclicity, simplicity, and semisimplicity. | ||
| کلیدواژهها | ||
| Krasner hypermodules؛ Hyper-Fitting ideals؛ Fundamental modules؛ Comultiplication modules؛ Hypercomultiplication hypermodules | ||
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