Almeida J. Some pseudovariety joins involving the pseudovariety of finite groups. Semigroup Forum. 1988;37:53-57.Edit

Almeida J. Residually finite congruences and quasiregular subsets in uniform algebras. In: Proceedings of the Second Meeting of Portuguese Algebraists (Portuguese) (Porto, 1987). Univ. Porto, Porto; 1987. 1. p. 11-31p. Edit

Almeida J, Azevedo A. Implicit operations on certain classes of semigroups. In: Semigroups and their applications (Chico, Calif., 1986). Reidel, Dordrecht; 1987. 1. p. 1-11p. Edit

Almeida J. Power pseudovarieties of semigroups. I, II. Semigroup Forum. 1986;33:357-373, 375-390.Edit

Almeida J. Some order properties of the lattice of varieties of commutative semigroups. Canad. J. Math.. 1986;38:19-47.Edit

Almeida J. Minimal nonpermutative pseudovarieties of semigroups. I, II. Pacific J. Math.. 1986;121:257-270, 271-279.Edit

Almeida J. Minimal nonpermutative pseudovarieties of semigroups. III. Algebra Universalis. 1985;21:256-279.Edit

Almeida J. Some quasi-ordered classes of finite commutative semigroups. Semigroup Forum. 1985;32:189-200.Edit

Almeida J, Reilly N.. Generalized varieties of commutative and nilpotent semigroups. Semigroup Forum. 1984;30:77-98.Edit

Almeida J. Some algorithms on the star operation applied to finite languages. Semigroup Forum. 1984;28:187-197.Edit

Almeida J. Overlapping of words in rational languages. In: Combinatorics on words (Waterloo, Ont., 1982). Academic Press, Toronto, ON; 1983. 1. p. 119-131p. Edit

Almeida J, Cano A., Klíma O, Pin J.. On fixed points of the lower set operator. Int. J. Algebra Comput.. 2015;25(1-2):259-292.Edit

[2015-33] Almeida J, Costa JC, Zeitoun M. Factoriality and the Pin-Reutenauer procedure .Edit

[2015-34] Almeida J, Klíma O. Representations of relatively free profinite semigroups, irreducibility, and order primitivity .Edit

[2015-35] Almeida J, Shahzamanian M., Steinberg B. The pro-nilpotent group topology on a free group .Edit

[2015-36] Almeida J, Shahzamanian M.. The rank of variants of nilpotent pseudovarieties .Edit

[2015-37] Almeida J, Borlido C. Complete kappa-reducibility of pseudovarieties of the form DRH .Edit

Almeida J, Bartoňová J., Klíma O, Kunc M.. On Decidability of Intermediate Levels of Concatenation Hierarchies. In: 19th International Conference Developments in Language Theory (DLT 2015). Vol Developments in Language Theory, LNCS 9168. UK, Liverpool: Springer; 2015. 5. p. 58-70p. Edit

Almeida J. Semigrupos finitos e álgebra universal Universidade de São Paulo, Instituto de Matemática e Estatí stica, São Paulo 1991.Edit

Almeida J, Costa A. A note on pseudovarieties of completely regular semigroups. Bulletin of the Australian Mathematical Society. 2015;92(2):233-237.Edit

[2016-2] Almeida J, Klíma O, Kunc M.. The omega-inequality problem for concatenation hierarchies of star-free languages .Edit

Almeida J, Costa A. A geometric interpretation of the Schützenberger group of a minimal subshift. Arkiv för Matematik. 2016;54(2):243-275.Edit

Almeida J, Rodaro E. Semisimple synchronizing automata and the Wedderburn-Artin theory. Internat. J. Foundat. Comput. Sci.. 2016;27(2):127-145.Edit

Almeida J, Klíma O. Reducibility vs. definability for pseudovarieties of semigroups. International Journal of Algebra and Computation. 2016;26(7):1483-1495.Edit

Almeida J, Couceiro M, Waldhauser T. On the topological semigroup of equational classes of finite functions under composition. J. of Mult.-Valued Logic & Soft Computing. 2017;28(1):5-28.Edit