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 $axy=xayx^2$.
Abbas, S., Ashraf, W., & Rafiquee, N. (2021). On Closed Homotypical Varieties of Semigroups. Journal of Algebra and Related Topics, 9(2), 83-95. doi: 10.22124/jart.2021.18949.1255
MLA
Sh. Abbas; W. Ashraf; N. Noor Rafiquee. "On Closed Homotypical Varieties of Semigroups". Journal of Algebra and Related Topics, 9, 2, 2021, 83-95. doi: 10.22124/jart.2021.18949.1255
HARVARD
Abbas, S., Ashraf, W., Rafiquee, N. (2021). 'On Closed Homotypical Varieties of Semigroups', Journal of Algebra and Related Topics, 9(2), pp. 83-95. doi: 10.22124/jart.2021.18949.1255
VANCOUVER
Abbas, S., Ashraf, W., Rafiquee, N. On Closed Homotypical Varieties of Semigroups. Journal of Algebra and Related Topics, 2021; 9(2): 83-95. doi: 10.22124/jart.2021.18949.1255
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