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List of My Publications

  1. Tiprachot, N., Pibaljommee, B., Lekkoksung, N.. (2025). On the purities of $\alpha$-ideals in ordered semigroups. Discussiones Mathematicae—General Algebra and Applications, 45(2), 493–505. [DOI]
  2. Lekkoksung, N. (2025). On a reduction of full words and its applications to ideal elements in $le$-semigroups. Asian–European Journal of Mathematics, 2550092. [DOI]
  3. 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]
  4. 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]
  5. 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]
  6. 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]
  7. 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]
  8. 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]
  9. 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]
  10. 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]
  11. 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]
  12. 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]
  13. 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]
  14. Lekkoksung, N., & Gaketem, T. (2026). Fuzzy almost hyperideals and fuzzy almost quasi-hyperideals in semihypergroups. Kragujevac Journal of Mathematics, 50(1), 137–149. [ONLINE]
  15. Tiprachot, N., Lekkoksung, N., & Lekkoksung, S. (2023). On hybrid simple ordered hypersemigroups. Annals of Fuzzy Mathematics and Informatics, 26(2), 125–140. [DOI]
  16. 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]
  17. 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]
  18. 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]
  19. 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]
  20. 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]
  21. 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]
  22. 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]
  23. 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]
  24. 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]
  25. 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]
  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. 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]
  28. 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]
  29. 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]
  30. 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]
  31. Tiprachot, N., Lekkoksung, N., & Pibaljommee, B. (2022). On regularities of ordered semigroups. Asian–European Journal of Mathematics, 15(12), 2250207. [DOI]
  32. 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]
  33. 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]
  34. Tiprachot, N., Lekkoksung, N., & Pibaljommee, B. (2022). 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]
  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. 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]
  37. Mekwian, J., Lekkoksung, N., & Sanpan, H. (2022). A connection between bi-hyperideals and hybrid bi-hyperideals in hypersemigroups. The 14th International Conference on Science, Technology and Innovation for Sustainable Well-Being (STISWB2022), 140–144.
  38. 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]
  39. Lekkoksung, N., & Lekkoksung, S. (2021). On partial clones of $k$-terms. Discussiones Mathematicae—General Algebra and Applications, 41(2), 361–379. [DOI]
  40. 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]
  41. Lekkoksung, N. (2021). A remark on hesitant fuzzy ideals in ordered semigroups. Journal of Mathematical and Computational Science, 11(4), 4711–4719. [DOI]
  42. 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]
  43. 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]
  44. Phusanga, D., & Lekkoksung, N. (2021). The order of linear relational hypersubstitutions for algebraic systems. Thai Journal of Mathematics, 83–91. [LINK]
  45. Lekkoksung, S., & Lekkoksung, N. (2020). On interval valued intuitionistic fuzzy hyperideals of ordered semihypergroups. The Korean Journal of Mathematics, 28(4), 753–774. [DOI]
  46. Lehtonen, E., Lekkoksung, N. (2020). Variants of essential arity for partial functions. Kyungpook Mathematical Journal, 60(3), 423–443. [DOI]
  47. Lekkoksung, N., Denecke, K. (2019). The partial clone of linear tree languages. Siberian Mathematical Journal, 60, 640–654. [DOI]
  48. Lekkoksung, N., Jampachon, P. (2018). Idempotent elements of weak projection generalized hypersubstitutions. Discussiones Mathematicae—General Algebra and Applications, 38, 99–114. [DOI]
  49. 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]
  50. Lekkoksung, N., Lekkoksung, S. Green’s relations on the semigroup of non-regular simple hypersubstitutions. Proceeding of the 13th Conference of Young Algebraists in Thailand, Silpakorn University, Nakhon Pathom, December 6–8, 2017: 15–21. [LINK]
  51. Lekkoksung, N., Jampachon, P. Some properties of generalized full hypersubstitutions. Far East Journal of Mathematical Sciences (FJMS), 100, 343–359 (2016). [LINK]
  52. Lekkoksung, N., Jampachon, P. Idempotent elements of pre-generalized hypersubstitutions of type $(m,n)$. Italian Journal of Pure and Applied Mathematics, 36, 827–842 (2016). [LINK]
  53. Lekkoksung, N., Koppitz, J. A note on finite generalized subsemigroups of $T(X,Y)$. Mathematics for Applications, 4, 25–30 (2015). [DOI]
  54. Lekkoksung, N., Jampachon, P. Non-deterministic linear hypersubstitutions. Discussiones Mathematicae—General Algebra and Applications, 35, 97–103 (2015). [DOI]
  55. Lekkoksung, N., Jampachon, P. On right weakly regular ordered ternary semigroups. Quasigroups and Related Systems, 22, 257–266 (2014). [LINK]
  56. Lekkoksung, N., Jampachon, P. On regular ordered ternary semigroups. Far East Journal of Mathematical Sciences (FJMS), 92, 67–84 (2014). [LINK]
  57. Kondo, M., Lekkoksung, N. On intra-regular ordered $\Gamma$-semihypergroups. International Journal of Mathematical Analysis, 7, 1379–1386 (2013). [DOI]
  58. Lekkoksung, N., Jampachon, P. Characterizations of regular ordered ternary semigroups in term of fuzzy subsets. Southeast Asian Journal of Science and Technology (SAJST), 2, 141–153 (2013). [LINK]
  59. Lekkoksung, S., Lekkoksung, N. On intra-regular ordered ternary semigroups. International Journal of Mathematical Analysis, 6, 69–73 (2012). [LINK]
  60. Lekkoksung, S., Lekkoksung, N. On generalized anti fuzzy bi-ideals in ordered $\Gamma$-semigroups. International Journal of Contemporary Mathematical Sciences, 16, 759–764 (2012). [LINK]
  61. Lekkoksung, S., Lekkoksung, N. On fuzzy ideals extensions of $\Gamma$-semigroups. International Mathematical Forum, 7, 1027–1031 (2012). [LINK]
  62. Jampachon, P., Lekkoksung, N. Characterization of intra-regular ordered $\Gamma$-semigroups. Proceeding of the 7th Conference of Science and Technology for Youth (2012), Bangkok, Thailand, 2012: 81–86.