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List of My Publications

  1. Lekkoksung, N. (2026a). On a reduction of full words and its applications to ideal elements in $le$-semigroups. Asian-European Journal of Mathematics, 19(4), 2550092. [DOI]
  2. Lekkoksung, N. (2026b). Simplicity in $le$-semigroups via partitions of full words, and its applications to regularity conditions induced by linear inequalities. Turkish Journal of Mathematics, 50(2), 208–227. [DOI]
  3. Lekkoksung, N., & Gaketem, T. (2026). Fuzzy almost hyperideals and fuzzy almost quasi-hyperideals in semihypergroups. Kragujevac Journal of Mathematics, 50(1), 137–149. [DOI]
  4. Palakawong na Ayutthaya, P., & Lekkoksung, N. (2025). Ordered constraint semigroups: A novel class of algebraic systems. Journal of Mathematics and Computer Science, 37(2), 201–213. [DOI]
  5. Sanborisoot, J., & Lekkoksung, N. (2025). On the radical of ideals in semirings. International Journal of Innovative Computing, Information and Control, 21(1), 85–98. [DOI]
  6. Tiprachot, N., Lekkoksung, S., & Lekkoksung, N. (2025). On fuzzy $\alpha$-ideals in ordered semigroups. Journal of Engineering and Innovative Research, 3(2), 9–15. [LINK]
  7. Tiprachot, N., Pibaljommee, B., & Lekkoksung, N. (2025). On the purities of $\alpha$-ideals in ordered semigroups. Discussiones Mathematicae—General Algebra and Applications, 15(2), 493–505. [DOI]
  8. Iampan, A., Lekkoksung, N., Lekkoksung, S., & Julatha, P. (2024). General types of $\sup$-hesitant fuzzy ideals of ternary semigroups. Journal of Mathematics and Computer Science, 33(1), 108–123. [DOI]
  9. Jun, Y. B., Tinpun, K., & Lekkoksung, N. (2024). Exploring regularities of ordered semigroups through generalized fuzzy ideals. International Journal of Fuzzy Logic and Intelligent Systems, 24(2), 141–152. [DOI]
  10. Lekkoksung, N., Tiprachot, N., & Lekkoksung, S. (2024). The coincidence of hybrid hyperideals and hybrid interior hyperideals in ordered hypersemigroups. Journal of Applied Mathematics and Informatics, 42(1), 31–47. [DOI]
  11. Lekkoksung, S., Davvaz, B., & Lekkoksung, N. (2024). An application of generalized fuzzy ideals in ordered semigroups. European Journal of Pure and Applied Mathematics, 17(4), 2962–2984. [DOI]
  12. Mekwian, J., & Lekkoksung, N. (2024). The connection between hyperideals and hybrid hyperideals through their level sets and characteristic functions in hypersemigroups. Journal of Engineering and Innovative Research, 2(2), 1–6. [LINK]
  13. Suayngam, K., Prasertpong, R., Lekkoksung, N., Julatha, P., & Iampan, A. (2024). Fermatean fuzzy set theory applied to IUP-algebras. European Journal of Pure and Applied Mathematics, 17(4), 3022–3042. [DOI]
  14. Wattanasiripong, N., Lekkoksung, N., & Lekkoksung, S. (2024). Description of regular and intra-regular ordered semigroups by tripolar fuzzy ideals. Journal of Mathematics and Computer Science, 33(3), 290–297. [DOI]
  15. Chanmanee, C., Prasertpong, R., Julatha, P., Lekkoksung, N., & Iampan, A. (2023). On external direct products of IUP-algebras. International Journal of Innovative Computing, Information and Control, 19(3), 775–787. [DOI]
  16. Davvaz, B., Chinram, R., Lekkoksung, S., & Lekkoksung, N. (2023). Characterizations of generalized fuzzy ideals in ordered semigroups. Journal of Intelligent & Fuzzy Systems, 45(2), 2367–2380. [DOI]
  17. Lekkoksung, N., & Lekkoksung, S. (2023). On the new type of hybrid structures in ordered semigroups. Annals of Fuzzy Mathematics and Informatics, 26(3), 261–271. [DOI]
  18. Lekkoksung, N., & Nakkhasen, W. (2023). On weakly bi-ideals in ordered semigroups and their fuzzifications. Journal of Mathematics and Computer Science, 30(2), 165–172. [DOI]
  19. Lekkoksung, S., Iampan, A., Julatha, P., & Lekkoksung, N. (2023). Representations of ordered semigroups and their interconnection. Journal of Intelligent & Fuzzy Systems, 44(4), 6877–6884. [DOI]
  20. Mekwian, J., & Lekkoksung, N. (2023). A connection between hybrid one-sided hyperideals and hybrid bi-hyperideals in hypersemigroups. Journal of Engineering and Innovative Research, 1(2), 19–24. [DOI]
  21. Tangtragoon, J., Jun, Y. B., Lekkoksung, N., & Saengsura, K. (2023). A study on bi-interior hyperideals in hypersemigroups. International Journal of Innovative Computing, Information and Control, 19(4), 991–1006. [DOI]
  22. Tiprachot, N., Lekkoksung, N., & Lekkoksung, S. (2023). On hybrid simple ordered hypersemigroups. Annals of Fuzzy Mathematics and Informatics, 26(2), 125–140. [DOI]
  23. Tiprachot, N., Lekkoksung, S., Pibaljommee, B., & Lekkoksung, N. (2023). Hybrid $n$-interior ideals and hybrid $(m, n)$-ideals in ordered semigroups. Fuzzy Information and Engineering, 15(2), 128–148. [DOI]
  24. Wattanasiripong, N., Lekkoksung, N., & Lekkoksung, S. (2023). On tripolar fuzzy ideals in ordered semigroups. Journal of Applied Mathematics and Informatics, 41(1), 133–154. [DOI]
  25. Chanmanee, C., Chinram, R., Phrommarat, N., Julatha, P., Lekkoksung, N., & Iampan, A. (2022). External and weak direct products of UP (BCC)-algebras. Journal of Mathematics and Computer Science, 29(1), 90–105. [DOI]
  26. Iampan, A., Julatha, P., & Lekkoksung, N. (2022). A brief note on QS/BP/BOI-algebras. International Journal of Analysis and Applications, 20, 31. [DOI]
  27. Lekkoksung, N., & Jampachon, P. (2022). A study of generalized clones of rank $k$ and generalized $k$-hypersubstitutions. Thai Journal of Mathematics, 20(1), 405–416. [DOI]
  28. Lekkoksung, N., Phokaew, C., & Tinpun, K. (2022). The study on the relative rank of transformation semigroups with restricted range. International Journal of Mathematics and Computer Science, 17(3), 1103–1111. [LINK]
  29. Lekkoksung, S., Iampan, A., & Lekkoksung, N. (2022). On ideal elements of partially ordered semigroups with the greatest element. International Journal of Innovative Computing, Information and Control, 18(6), 1941–1955. [DOI]
  30. Linesawat, K., Lekkoksung, N., & Lekkoksung, S. (2022). Anti-hybrid pure ideals in ordered semigroups. International Journal of Innovative Computing, Information and Control, 18(4), 1275–1290. [DOI]
  31. Linesawat, K., Lekkoksung, S., & Lekkoksung, N. (2022). Anti-hybrid ideals in ordered semigroups. Journal of Applied Mathematics and Informatics, 40(3-4), 769–784. [DOI]
  32. Mekwian, J., & Lekkoksung, N. (2022). Characterizing ordered semihypergroups by using generalized int-soft hyperideals. International Journal of Mathematics and Computer Science, 17(1), 143–161. [LINK]
  33. Mekwian, J., Lekkoksung, N., & Sanpan, H. (2022). A connection between bi-hyperideals and hybrid bi-hyperideals in hypersemigroups. In The 14th International Conference on Science, Technology and Innovation for Sustainable Well-Being (STISWB2022) (pp. 140–144).
  34. Mekwian, J., Lekkoksung, S., & Lekkoksung, N. (2022). Characterizations of regularities in ordered semihypergroups in terms of some generalized union soft hyperideals. Journal of Mathematics and Computer Science, 26(3), 309–321. [DOI]
  35. Tiprachot, N., & Lekkoksung, N. (2022). A note on almost $\alpha$-ideals in semigroups. International Journal of Mathematics and Computer Science, 17(1), 325–330. [LINK]
  36. Tiprachot, N., Lekkoksung, N., & Pibaljommee, B. (2022a). On regularities of ordered semigroups. Asian-European Journal of Mathematics, 15(12), 2250207. [DOI]
  37. Tiprachot, N., Lekkoksung, N., & Pibaljommee, B. (2022b). Regularities of ordered semigroups in terms of $(m, n)$-ideals and $n$-interior ideals. International Journal of Mathematics and Computer Science, 17(2), 723–730. [LINK]
  38. Tiprachot, N., Lekkoksung, S., Lekkoksung, N., & Pibaljommee, B. (2022). Regularities in terms of hybrid $n$-interior ideals and hybrid $(m, n)$-ideals of ordered semigroups. International Journal of Innovative Computing, Information and Control, 18(5), 1347–1362. [DOI]
  39. Wattanasiripong, N., Lekkoksung, N., & Lekkoksung, S. (2022). On tripolar fuzzy interior ideals in ordered semigroups. International Journal of Innovative Computing, Information and Control, 18(4), 1291–1304. [DOI]
  40. Lekkoksung, N. (2021). A remark on hesitant fuzzy ideals in ordered semigroups. Journal of Mathematical and Computational Science, 11(4), 4711–4719. [DOI]
  41. Lekkoksung, N., & Lekkoksung, S. (2021). On partial clones of $k$-terms. Discussiones Mathematicae—General Algebra and Applications, 41(2), 361–379. [DOI]
  42. Lekkoksung, N., Sanpan, H., & Lekkoksung, S. (2021). Characterizations of some regularities in ordered ternary semigroups in terms of fuzzy subsets. Communications in Mathematics and Applications, 12(2), 325–333. [LINK]
  43. Mekwian, J., & Lekkoksung, N. (2021). Hybrid ideals in ordered semigroups and some characterizations of their regularities. Journal of Mathematical and Computational Science, 11(6), 8075–8092. [DOI]
  44. Sanpan, H., Lekkoksung, N., & Lekkoksung, S. (2021). On generalized interval valued bipolar fuzzy ideals in ordered semigroups. Journal of Mathematical and Computational Science, 11(3), 3613–3636. [DOI]
  45. Sanpan, H., Lekkoksung, N., Lekkoksung, S., & Samormob, W. (2021). Characterizations of some regularities of ordered $\Gamma$-semihypergroups in terms of interval-valued $Q$-fuzzy $\Gamma$-hyperideals. International Journal of Innovative Computing, Information and Control, 17(4), 1391–1400. [DOI]
  46. Lehtonen, E., & Lekkoksung, N. (2020). Variants of essential arity for partial functions. Kyungpook Mathematical Journal, 60(3), 423–443. [DOI]
  47. Lekkoksung, S., & Lekkoksung, N. (2020). On interval valued intuitionistic fuzzy hyperideals of ordered semihypergroups. The Korean Journal of Mathematics, 28(4), 753–774. [DOI]
  48. Phusanga, D., & Lekkoksung, N. (2020). The order of linear relational hypersubstitutions for algebraic systems. Thai Journal of Mathematics (Special Issue: The 14th IMT-GT ICMSA 2018), 83–91. [LINK]
  49. Lekkoksung, N., & Denecke, K. (2019). The partial clone of linear tree languages. Siberian Mathematical Journal, 60(2), 640–654. [DOI]
  50. Lekkoksung, N., & Jampachon, P. (2018). Idempotent elements of weak projection generalized hypersubstitutions. Discussiones Mathematicae—General Algebra and Applications, 38(1), 99–114. [DOI]
  51. Lekkoksung, N., Jampachon, P., & Lekkoksung, S. (2017). Idempotent of weak projection cohypersubstitutions. Thai Journal of Mathematics (Special Issue: Annual Meeting in Mathematics 2017), 59–74. [LINK]
  52. Lekkoksung, N., & Lekkoksung, S. (2017). Green’s relations on the semigroup of non-regular simple hypersubstitutions. In Proceedings of the 13th Conference of Young Algebraists in Thailand (pp. 15–21). Silpakorn University, Nakhon Pathom. [LINK]
  53. Lekkoksung, N., & Jampachon, P. (2016a). Idempotent elements of pre-generalized hypersubstitutions of type $(m,n)$. Italian Journal of Pure and Applied Mathematics, 36, 827–842. [LINK]
  54. Lekkoksung, N., & Jampachon, P. (2016b). Some properties of generalized full hypersubstitutions. Far East Journal of Mathematical Sciences (FJMS), 100(3), 343–359. [LINK]
  55. Lekkoksung, N., & Jampachon, P. (2015). Non-deterministic linear hypersubstitutions. Discussiones Mathematicae—General Algebra and Applications, 35(1), 97–103. [DOI]
  56. Lekkoksung, N., & Koppitz, J. (2015). A note on finite generalized subsemigroups of $T(X,Y)$. Mathematics and Applications, 4(1), 25–30. [DOI]
  57. Lekkoksung, N., & Jampachon, P. (2014a). On regular ordered ternary semigroups. Far East Journal of Mathematical Sciences (FJMS), 92(1), 67–84. [LINK]
  58. Lekkoksung, N., & Jampachon, P. (2014b). On right weakly regular ordered ternary semigroups. Quasigroups and Related Systems, 22(2), 257–266. [LINK]
  59. Kondo, M., & Lekkoksung, N. (2013). On intra-regular ordered $\Gamma$-semihypergroups. International Journal of Mathematical Analysis (Ruse), 7(28), 1379–1386. [DOI]
  60. Lekkoksung, N., & Jampachon, P. (2013). Characterizations of regular ordered ternary semigroups in term of fuzzy subsets. Southeast-Asian Journal of Sciences, 2(2), 141–153. [LINK]
  61. Jampachon, P., & Lekkoksung, N. (2012). Characterization of intra-regular ordered $\Gamma$-semigroups. In Proceedings of the 7th Conference of Science and Technology for Youth (pp. 81–86). Bangkok, Thailand.
  62. Lekkoksung, S., & Lekkoksung, N. (2012a). On fuzzy ideals extensions of $\Gamma$-semigroups. International Mathematical Forum, 7(21-24), 1027–1031. [LINK]
  63. Lekkoksung, S., & Lekkoksung, N. (2012b). On generalized anti fuzzy bi-ideals in ordered $\Gamma$-semigroups. International Journal of Contemporary Mathematical Sciences, 7(16), 759–764. [LINK]
  64. Lekkoksung, S., & Lekkoksung, N. (2012c). On intra-regular ordered ternary semigroups. International Journal of Mathematical Analysis (Ruse), 6(2), 69–73. [LINK]