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On relative ranks of the semigroup of orientation-preserving transformations on infinite chain with restricted range
- Publication Year :
- 2021
-
Abstract
- Let $X$ be an infinite linearly ordered set and let $Y$ be a nonempty subset of $X$. We calculate the relative rank of the semigroup $OP(X,Y)$ of all orientation-preserving transformations on $X$ with restricted range $Y$ modulo the semigroup $O(X,Y)$ of all order-preserving transformations on $X$ with restricted range $Y$. For $Y = X$, we characterize the relative generating sets of minimal size.
- Subjects :
- Mathematics - Rings and Algebras
20M20
Subjects
Details
- Database :
- arXiv
- Publication Type :
- Report
- Accession number :
- edsarx.2102.03118
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1080/00927872.2021.2000998