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ON CLOSED HOMOTYPICAL VARIETIES OF SEMIGROUPS
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نویسنده
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abbas sh. ,ashraf w. ,rafiquee n. noor
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منبع
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journal of algebra and related topics - 2021 - دوره : 9 - شماره : 2 - صفحه:83 -95
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چکیده
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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 = xa2ya, axy = yay2x, axy = xaya2 , axy = y 2ayx and axy = xayx2 .
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کلیدواژه
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Zigzag equations; Homotypical; Variety; Identity and Closed.
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آدرس
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aligarh muslim university, department of mathematics, India, aligarh muslim university, department of mathematics, India, aligarh muslim university, department of mathematics, India
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پست الکترونیکی
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rafiqinaira@gmail.com
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Authors
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