Edmond W. H. Lee, Advances in the Theory of Varieties of Semigroups, 2023, 1
Mark V. Sapir, Combinatorial Algebra: Syntax and Semantics, 2014, 85
Meng Gao, Wen Ting Zhang, Yan Feng Luo, “A non-finitely based involution semigroup of order five”, Algebra Univers., 81, no. 3, 2020, 31
Edmond W. H. Lee, “Intervals of varieties of involution semigroups with contrasting reduct intervals”, Boll Unione Mat Ital, 15, no. 4, 2022, 527
Jian Rong Li, Wen Ting Zhang, Yan Feng Luo, “On the finite basis problem for the variety generated by all n-element semigroups”, Algebra Univers., 73, no. 3-4, 2015, 225
Edmond W.H. Lee, “Finitely based finite involution semigroups with non-finitely based reducts”, Quaestiones Mathematicae, 39, no. 2, 2016, 217
Edmond W. H. Lee, “Variety Membership Problem for Two Classes of Non-Finitely Based Semigroups”, Wuhan Univ. J. Nat. Sci., 23, no. 4, 2018, 323
Edmond W. H. Lee, Wen Ting Zhang, “Finite basis problem for semigroups of order six”, LMS J. Comput. Math., 18, no. 1, 2015, 1
Edmond W. H. Lee, “Equational theories of unstable involution semigroups”, ERA-MS, 24, 2017, 10
Edmond W. H. Lee, Jian Rong Li, Wen Ting Zhang, “Minimal non-finitely based semigroups”, Semigroup Forum, 85, no. 3, 2012, 577