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

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

Almeida J. On the membership problem for pseudovarieties of commutative semigroups. Semigroup Forum. 1991;42:47-51.Edit

Almeida J. The mathematician Hugo Ribeiro. Portugal. Math.. 1995;52:1-14.Edit

Almeida J, Higgins PM. Monoids respecting $n$-chains of intervals. J. Algebra. 1997;187:183-202.Edit

[2005-26] Almeida J, Margolis SW, Steinberg B, Volkov M. Modular and threshold subword counting and matrix representations of finite monoids .Edit

[2009-13] Almeida J, Steinberg B. Matrix Mortality and the Cerny-Pin Conjecture .Edit

Almeida J, Steinberg B. Matrix mortality and the Černý-Pin conjecture. In: Developments in language theory. Vol 5583. Springer, Berlin; 2009. 6. p. 67-80p. (Lecture Notes in Comput. Sci.; vol 5583).Edit

[2012-3] Almeida J, Costa JC, Zeitoun M. McCammond's normal forms for free aperiodic semigroups revisited .Edit

Almeida J, Costa JC, Zeitoun M. McCammond's normal forms for free aperiodic semigroups revisited. LMS J. Comput. Math.. 2015;18:130-147.Edit