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On certain order-preserving transformation semigroups |
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| Authors: | Jia Zhang |
| Affiliation: | 1. School of Mathematics and Statistics, Lanzhou University, Gansu, China;2. School of Mathematics and Computer Science, Northwest University for Nationalities, Gansu, China |
| Abstract: | |
| Keywords: | Abundant semigroups Green’s relations order-preserving transformations regular elements |