참고문헌
- P. Jitjankarn and T. Rungratgasame, A note on isomorphism theorems for semigroups of order-preserving transformations with restricted range, Int. J. Math. Math. Sci. 2015 (2015), Art. ID 187026, 6 pp.
- Y. Kemprasit, W. Mora, and T. Rungratgasame, Isomorphism theorems for semigroups of order-preserving partial transformations, Int. J. Algebra 4 (2010), no. 17-20, 799-808.
- S. Mendes-Goncalves and R. P. Sullivan, Semigroups of transformations restricted by an equivalence, Cent. Eur. J. Math. 8 (2010), no. 6, 1120-1131. https://doi.org/10.2478/s11533-010-0066-8
- H. Pei, Regularity and Green's relations for semigroups of transformations that preserve an equivalence, Comm. Algebra 33 (2005), no. 1, 109-118. https://doi.org/10.1081/AGB-200040921
- T. Saito, K. Aoki, and K. Kajitori, Remarks on isomorphisms of regressive transformation semigroups, Semigroup Forum 53 (1996), no. 1, 129-134. https://doi.org/10.1007/BF02574127
- J. Sanwong and W. Sommanee, Regularity and Green's relations on a semigroup of trans- formations with restricted range, Int. J. Math. Math. Sci. 2008 (2008), Art. ID 794013, 11 pp.
- A. Umar, Semigroups of order-decreasing transformations: the isomorphism theorem, Semigroup Forum 53 (1996), no. 2, 220-224. https://doi.org/10.1007/BF02574137