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| On Closed Homotypical Varieties of Semigroups | ||
| Journal of Algebra and Related Topics | ||
| دوره 9، شماره 2، اسفند 2021، صفحه 83-95 اصل مقاله (261.12 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22124/jart.2021.18949.1255 | ||
| نویسندگان | ||
| Sh. Abbas؛ W. Ashraf؛ N. Noor Rafiquee* | ||
| Department of Mathematics, Aligarh Muslim University, Aligarh, India | ||
| چکیده | ||
| It is known that all subvarieties of the variety of all semigroups are not absolutely closed. So, we determine some closed homotypical varieties of semigroups determined by the identities $axy=x^2ayx$, $axy=xa^2ya$, $axy=yay^2x$, $axy=xaya^2$, $axy=y^2ayx$ and $axy=xayx^2$. | ||
| کلیدواژهها | ||
| Zigzag equations؛ Homotypical؛ Variety؛ Identity and Closed | ||
| آمار تعداد مشاهده مقاله: 713 تعداد دریافت فایل اصل مقاله: 768 | ||