Engel, Nilpotent and Solvable BCI-algebras

[1] R. Ameri, R. A. Borzooei, E. Mohammadzadeh, Engel fuzzy subgroups, Italian Journal of Pure and Applied Mathematics, 34 (2015), 251-262.Search in Google Scholar

[2] R. A. Borzooei, E. Mohammadzadeh, Violeta Fotea, On Engel Fuzzy Subpolygroups, New Mathematics and Natural Computation, 13 (2) (2017), 195 - 206.10.1142/S1793005717500089Search in Google Scholar

[3] B. Davvaz, Polygroup theory and related systems, World Scientific, 2013.10.1142/8593Search in Google Scholar

[4] E. S. Golod, Some problems of Burnside type, in Proc. Int. Congr. Math., Moscow, (1966), 284-289.Search in Google Scholar

[5] H. Heineken, Engelsche Elemente der Lange drei, Illionis J. Math., 5 (1961), 681-707.Search in Google Scholar

[6] W. Hung, Nil-radical in BCI-algebras, Math. Japon, 37 (1992), 363-366.Search in Google Scholar

[7] Y. Imai, K. Iseki, On axiom systems of propositional calculi XIV, Proc. Japan Academy, 42 (1966), 19-22.Search in Google Scholar

[8] K. Iseki, An algebras related with a propositional calculus, Math. Japonica, 42 (1966), 26-29.Search in Google Scholar

[9] K. Iseki, BCK-algebras, Math. Seminar Notes, 4 (1976), 77-86.Search in Google Scholar

[10] K. Iseki, On ideals in BCK-algebras, Math. Seminar Notes, 3 (1975), 1-12.Search in Google Scholar

[11] K. Iseki, On BCI-algebras, Math. Sem Notes, 8 (1980), 125-130.Search in Google Scholar

[12] K. Iseki, S. Tanaka, A. Rosenfeld, An introduction to theory of BCK-algebras, Math. Japonica, 23 (1978), 1-26.Search in Google Scholar

[13] Y. B. Jun and E. H. Roh, Nil ideals in BCI-algebras, Math. Japon., 41(2) (1995), 297-302.Search in Google Scholar

[14] Y. B. Jun, J. Meng and E. H. Roh, On nil ideals in BCI-algebras, Math. Japon., 38 (1993), 1051-1056.Search in Google Scholar

[15] L. C. Kappe, W. P. Kappe, On three-Engle groups, Bull. Austral. Math. Soc., 7 (1972), 391-405.10.1017/S000497270004524XSearch in Google Scholar

[16] J. Meng, Y. B. Jun, BCK-algebras, Kyung Moon Sa Co. Seoul, Korea, (1994).Search in Google Scholar

[17] E. Mohammadzadeh, R. A. Borzooei, Nilpotent Fuzzy Subgroups, Mathematics, 6, 27(2018); doi:10.3390/math60200027.Search in Google Scholar

[18] A. Najafi, Peseudo-commutators in BCK algebras, Pure Mathematical Science, 2(1) (2013), 29-32.10.12988/pms.2013.13004Search in Google Scholar

[19] A. Najafi, A. B. Saeid, Solvable BCK algebras, Cankaya University Journal of Science and Engineering, 11(2) (2014), 19-28.Search in Google Scholar

[20] A. Najafi, A. Borumand Saeid, E. Elami, Commutators in BCI algebras, Journal of Intelligent and Fuzzy Systems, 31 (2016), 357-366.10.3233/IFS-162148Search in Google Scholar

[21] X. Pin, The study of nilpotent element in BCI-algebras, Journal of Shaanxi University of Technology, 30 (2003), 112-123.Search in Google Scholar

[22] D. J. S. Robinson, A Course in the theory of groups, Springer-Verlag (1980).Search in Google Scholar

[23] A. Wronski, BCK-algebras do not form a variety, Math. Japonica, 28 (1983), 211-213.Search in Google Scholar

[24] H. Yisheng, BCI Algebra, Science Pess, 2003.Search in Google Scholar