Edit Profile (opens in new tab) Almeida, Jorge Compute Distance To: Compute Author ID: almeida.jorge Published as: Almeida, Jorge; Almeida, J. Homepage: https://cmup.fc.up.pt/cmup/jalmeida/ External Links: MGP · ORCID Documents Indexed: 145 Publications since 1983, including 3 Books 3 Contributions as Editor Reviewing Activity: 101 Reviews Co-Authors: 36 Co-Authors with 88 Joint Publications 497 Co-Co-Authors all top 5 Co-Authors 53 single-authored 16 Zeitoun, Marc 13 Klíma, Ondřej 11 Costa, Alfredo 11 Costa, José Carlos 8 Volkov, Mikhail Vladimirovich 7 Steinberg, Benjamin 6 Azevedo, Assis 6 Weil, Pascal 4 Perrin, Dominique 3 Delgado, Manuel 3 Escada, Ana P. 3 Kyriakoglou, Revekka 3 Margolis, Stuart W. 3 Pin, Jean-Eric 3 Shahzamanian, Mohammadhossein 3 Silva, Pedro V. 2 Higgins, Peter Michael 2 Kunc, Michal 2 Rodaro, Emanuele 2 Trotter, Peter G. 1 Barreira, Luis Manuel 1 Bartoňová, Jana 1 Bordalo, Gabriela 1 Borlido, Célia 1 Cano, Antonio 1 Cardoso, Ângela 1 Couceiro, Miguel 1 Dwinger, Philip 1 Ésik, Zoltán 1 Goldberg, S. V. 1 Gomes, Gracinda M. S. 1 Kufleitner, Manfred 1 Machiavelo, António 1 Martin-Delgado, Miguel Angel 1 Moura, Ana 1 Oliveira, Lina 1 Peralta-Salas, Daniel 1 Reilly, Norman R. 1 Romera, Miguel 1 Sierra, Germán 1 Teixeira, Lurdes 1 Teixeira, Maria Lurdes 1 Waldhauser, Tamás all top 5 Serials 16 Semigroup Forum 16 International Journal of Algebra and Computation 9 Journal of Pure and Applied Algebra 6 Portugaliae Mathematica 5 Journal of Algebra 4 Discrete Mathematics and Theoretical Computer Science. DMTCS 3 Algebra Universalis 3 Proceedings of the Edinburgh Mathematical Society. Series II 3 Theoretical Computer Science 3 Transactions of the American Mathematical Society 3 Portugaliae Mathematica. Nova Série 2 Bulletin of the Australian Mathematical Society 2 Communications in Algebra 2 Information Processing Letters 2 Pacific Journal of Mathematics 2 Publicationes Mathematicae 2 Results in Mathematics 2 Forum Mathematicum 2 RAIRO. Theoretical Informatics and Applications 1 Israel Journal of Mathematics 1 Journal of Mathematical Analysis and Applications 1 Journal of Mathematical Physics 1 Mathematical Proceedings of the Cambridge Philosophical Society 1 Arkiv för Matematik 1 Acta Cybernetica 1 Archiv der Mathematik 1 Canadian Journal of Mathematics 1 Glasgow Mathematical Journal 1 Illinois Journal of Mathematics 1 Journal of the London Mathematical Society. Second Series 1 Monatshefte für Mathematik 1 Proceedings of the London Mathematical Society. Third Series 1 European Journal of Combinatorics 1 Bulletin of the Iranian Mathematical Society 1 Physica D 1 Order 1 Boletim da Sociedade Portuguesa de Matemática 1 Publicacions Matemàtiques 1 International Journal of Foundations of Computer Science 1 RAIRO. Informatique Théorique et Applications 1 International Journal of Robust and Nonlinear Control 1 Russian Mathematics 1 Journal of Mathematical Sciences (New York) 1 Fundamental’naya i Prikladnaya Matematika 1 Bulletin of the European Association for Theoretical Computer Science EATCS 1 RIMS Kokyuroku 1 LMS Journal of Computation and Mathematics 1 The Quarterly Journal of Mathematics 1 Journal of Multiple-Valued Logic and Soft Computing 1 Journal of Algebra and its Applications 1 Lecture Notes in Mathematics 1 Series in Algebra 1 International Journal of Algebra 1 Journal of Physics A: Mathematical and Theoretical all top 5 Fields 120 Group theory and generalizations (20-XX) 57 General algebraic systems (08-XX) 42 Computer science (68-XX) 13 Dynamical systems and ergodic theory (37-XX) 12 Topological groups, Lie groups (22-XX) 10 Order, lattices, ordered algebraic structures (06-XX) 7 Mathematical logic and foundations (03-XX) 6 Combinatorics (05-XX) 4 General and overarching topics; collections (00-XX) 4 Category theory; homological algebra (18-XX) 3 History and biography (01-XX) 2 Nonassociative rings and algebras (17-XX) 2 Functional analysis (46-XX) 2 Operator theory (47-XX) 2 General topology (54-XX) 2 Quantum theory (81-XX) 2 Information and communication theory, circuits (94-XX) 1 Number theory (11-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Associative rings and algebras (16-XX) 1 Measure and integration (28-XX) 1 Statistical mechanics, structure of matter (82-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 1 Systems theory; control (93-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 120 Publications have been cited 1,025 times in 378 Documents Cited by ▼ Year ▼ Finite semigroups and universal algebra. Rev. and transl. by the author. Zbl 0844.20039Almeida, Jorge 87 1994 On the decidability of iterated semidirect products with applications to complexity. Zbl 1027.20033Almeida, Jorge; Steinberg, Benjamin 42 2000 Profinite categories and semidirect products. Zbl 0891.20037Almeida, J.; Weil, P. 38 1998 A syntactical proof of locality of DA. Zbl 0858.20052Almeida, Jorge 35 1996 Representation theory of finite semigroups, semigroup radicals and formal language theory. Zbl 1185.20058Almeida, Jorge; Margolis, Stuart; Steinberg, Benjamin; Volkov, Mikhail 35 2009 Hyperdecidable pseudovarieties and the calculation of semidirect products. Zbl 1028.20038Almeida, Jorge 34 1999 Can two chaotic systems give rise to order? Zbl 1064.37025Almeida, J.; Peralta-Salas, D.; Romera, M. 29 2005 On pseudovarieties, varieties of languages, filters of congruences, pseudoidentities and related topics. Zbl 0715.08006Almeida, Jorge 27 1990 Implicit operations on finite \({\mathcal J}\)-trivial semigroups and a conjecture of I. Simon. Zbl 0724.08003Almeida, Jorge 26 1990 Relatively free profinite monoids: An introduction and examples. Zbl 0877.20038Almeida, J.; Weil, P. 22 1995 Profinite semigroups and applications. Zbl 1109.20050Almeida, Jorge 22 2005 Finite semigroups: an introduction to a unified theory of pseudovarieties. Zbl 1033.20067Almeida, Jorge 20 2002 Finite semigroups and universal algebra. (Semigrupos finitos e álgebra universal.) Zbl 0757.08001Almeida, Jorge 18 1991 Dynamics of implicit operations and tameness of pseudovarieties of groups. Zbl 0988.20014Almeida, Jorge 17 2002 Syntactic and global semigroup theory: A synthesis approach. Zbl 0947.20043Almeida, Jorge; Steinberg, Benjamin 17 2000 The gap between partial and full. Zbl 0970.20031Almeida, J.; Volkov, M. V. 16 1998 Subword complexity of profinite words and subgroups of free profinite semigroups. Zbl 1186.20040Almeida, J.; Volkov, M. V. 16 2006 An automata-theoretic approach to the word problem for \(\omega\)-terms over R. Zbl 1110.68059Almeida, Jorge; Zeitoun, Marc 16 2007 Semidirect products of pseudovarieties from the universal algebraist’s point of view. Zbl 0687.20053Almeida, Jorge 16 1989 Profinite identities for finite semigroups whose subgroups belong to a given pseudovariety. Zbl 1061.20050Almeida, J.; Volkov, M. V. 15 2003 Infinite-vertex free profinite semigroupoids and symbolic dynamics. Zbl 1179.20050Almeida, Jorge; Costa, Alfredo 14 2009 Tameness of pseudovariety joins involving R. Zbl 1091.20036Almeida, Jorge; Carlos Costa, José; Zeitoun, Marc 14 2005 Reduced factorizations in free profinite groups and join decompositions of pseudovarieties. Zbl 0818.20024Almeida, Jorge; Weil, Pascal 13 1994 Some order properties of the lattice of varieties of commutative semigroups. Zbl 0594.20053Almeida, Jorge 13 1986 The algebra of implicit operations. Zbl 0671.08003Almeida, Jorge 13 1989 Pseudovariety joins involving \(\mathcal J\)-trivial semigroups. Zbl 1012.20054Almeida, Jorge; Azevedo, Assis; Zeitoun, Marc 12 1999 Semigroups whose idempotents form a subsemigroup. Zbl 0751.20042Almeida, J.; Pin, J.-E.; Weil, P. 11 1992 On finitely based pseudovarieties of the forms \({\mathbf V}*{\mathbf D}\) and \({\mathbf V}*{\mathbf D}_n\). Zbl 0944.20041Almeida, Jorge; Azevedo, Assis; Teixeira, Lurdes 11 2000 The pseudoidentity problem and reducibility for completely regular semigroups. Zbl 0982.20042Almeida, Jorge; Trotter, Peter G. 11 2001 Complete reducibility of systems of equations with respect to \(\mathbf R\). Zbl 1148.20042Almeida, Jorge; Costa, José Carlos; Zeitoun, Marc 11 2007 The pseudovariety \(J\) is hyperdecidable. Zbl 0928.20046Almeida, J.; Zeitoun, M. 10 1997 On the hyperdecidability of semidirect products of pseudovarieties. Zbl 0931.20047Almeida, Jorge; Silva, Pedro V. 10 1998 On regular implicit operations. Zbl 0802.20049Almeida, Jorge; Azevedo, Assis 10 1993 Some algorithmic problems for pseudovarieties. Zbl 0981.20049Almeida, Jorge 10 1999 Free profinite \(\mathcal R\)-trivial monoids. Zbl 0892.20035Weil, Pascal; Almeida, Jorge 10 1997 The join of the pseudovarieties of \(\mathcal R\)-trivial and \(\mathcal L\)-trivial monoids. Zbl 0687.20054Almeida, Jorge; Azevedo, Assis 10 1989 Tameness of the pseudovariety of Abelian groups. Zbl 1083.20045Almeida, Jorge; Delgado, Manuel 9 2005 Profinite groups associated with weakly primitive substitutions. Zbl 1110.20022Almeida, J. 8 2005 Complexity of the identity checking problem for finite semigroups. Zbl 1213.20052Almeida, J.; Volkov, M. V.; Goldberg, S. V. 8 2009 Residually finite congruences and quasi-regular subsets in uniform algebras. Zbl 0688.08001Almeida, Jorge 8 1989 On iterated semidirect products of finite semilattices. Zbl 0743.20056Almeida, Jorge 7 1991 On some systems of equations with constraints in a free group. (Sur certains systèmes d’équations avec contraintes dans un groupe libre.) Zbl 0960.20014Almeida, J.; Delgado, M. 7 1999 Hausdorff dimension in convex bornological spaces. Zbl 1022.46004Almeida, J.; Barreira, L. 7 2002 Free profinite semigroups over semidirect products. Zbl 0847.20055Almeida, J.; Weil, P. 7 1995 On some systems of equations with constraints in a free group. – Addenda. (Sur certains systèmes d’équations avec constraintes dans un groupe libre. – Addenda.) Zbl 1046.20023Almeida, J.; Delgado, M. 7 2001 Cooperative control of multiple surface vessels in the presence of ocean currents and parametric model uncertainty. Zbl 1204.93008Almeida, J.; Silvestre, C.; Pascoal, A. 7 2010 Matrix mortality and the Černý-Pin conjecture. Zbl 1247.68123Almeida, Jorge; Steinberg, Benjamin 7 2009 Monoids respecting \(n\)-chains of intervals. Zbl 0873.20040Almeida, Jorge; Higgins, Peter M. 7 1997 On hyperdecidable pseudovarieties of simple semigroups. Zbl 1010.20042Almeida, Jorge 6 2000 On the equation \({\mathbf V}*{\mathbf G}={\mathcal E}{\mathbf V}\). Zbl 0997.20053Almeida, J.; Escada, A. 6 2002 Power semigroups: results and problems. Zbl 1030.20036Almeida, J. 6 1999 Generalized varieties of commutative and nilpotent semigroups. Zbl 0528.20042Almeida, J.; Reilly, N. R. 6 1984 McCammond’s normal forms for free aperiodic semigroups revisited. Zbl 1315.20050Almeida, J.; Costa, J. C.; Zeitoun, M. 6 2015 Power pseudovarieties of semigroups. I. Zbl 0588.20033Almeida, Jorge 6 1986 On power varieties of semigroups. Zbl 0679.20052Almeida, J. 6 1989 Minimal non-permutative pseudovarieties of semigroups. I. Zbl 0582.20040Almeida, Jorge 6 1986 The linear nature of pseudowords. Zbl 07094859Almeida, Jorge; Costa, Alfredo; Costa, José Carlos; Zeitoun, Marc 5 2019 The pseudovariety of semigroups of triangular matrices over a finite field. Zbl 1086.20029Almeida, Jorge; Margolis, Stuart W.; Volkov, Mikhail V. 5 2005 Globals of pseudovarieties of commutative semigroups: the finite basis problem, decidability and gaps. Zbl 0993.20035Almeida, Jorge; Azevedo, Assis 5 2001 SC-hyperdecidability of \(\mathbf R\). Zbl 0989.20045Almeida, J.; Silva, P. V. 5 2001 Tameness of some locally trivial pseudovarieties. Zbl 1027.20034Almeida, Jorge; Zeitoun, Marc 5 2003 Pointlike sets with respect to R and J. Zbl 1133.20045Almeida, Jorge; Costa, José Carlos; Zeitoun, Marc 5 2008 Description and analysis of a bottom-up DFA minimization algorithm. Zbl 1186.68242Almeida, Jorge; Zeitoun, Marc 5 2008 Presentations of Schützenberger groups of minimal subshifts. Zbl 1293.20054Almeida, Jorge; Costa, Alfredo 5 2013 Some pseudovariety joins involving the pseudovariety of finite groups. Zbl 0633.20040Almeida, Jorge 5 1988 On finite simple semigroups. Zbl 0752.20030Almeida, Jorge 4 1991 Equidivisible pseudovarieties of semigroups. Zbl 1399.20058Almeida, Jorge; Costa, Alfredo 4 2017 Semidirect product with an order-computable pseudovariety and tameness. Zbl 1229.20059Almeida, J.; Costa, J. C.; Teixeira, M. L. 4 2010 Power pseudovarieties of semigroups. II. Zbl 0588.20034Almeida, Jorge 4 1986 The equational theory of \(\omega\)-terms for finite \(\mathcal R\)-trivial semigroups. Zbl 1189.20050Almeida, Jorge; Zeitoun, Marc 4 2004 On decidability of intermediate levels of concatenation hierarchies. Zbl 1434.68224Almeida, Jorge; Bartoňová, Jana; Klíma, Ondřej; Kunc, Michal 4 2015 Reducibility of pointlike problems. Zbl 1422.20025Almeida, J.; Costa, J. C.; Zeitoun, M. 4 2017 Iterated periodicity over finite aperiodic semigroups. Zbl 1282.05212Almeida, Jorge; Costa, José Carlos; Zeitoun, Marc 4 2014 Hyperdecidability of pseudovarieties of orthogroups. Zbl 0982.20040Almeida, Jorge; Trotter, Peter G. 3 2001 Semisimple synchronizing automata and the Wedderburn-Artin theory. Zbl 1352.68172Almeida, Jorge; Rodaro, Emanuele 3 2016 On the irreducibility of pseudovarieties of semigroups. Zbl 1336.20055Almeida, J.; Klíma, O. 3 2016 Semidirectly closed pseudovarieties of locally trivial semigroups. Zbl 0711.20032Almeida, Jorge 3 1990 Idempotent-generated semigroups and pseudovarieties. Zbl 1235.20050Almeida, J.; Moura, Ana 3 2011 A geometric interpretation of the Schützenberger group of a minimal subshift. Zbl 1394.20033Almeida, Jorge; Costa, Alfredo 3 2016 Some algorithms on the star operation applied to finite languages. Zbl 0541.20044Almeida, Jorge 3 1984 Minimal non-permutative pseudovarieties of semigroups. II. Zbl 0582.20041Almeida, Jorge 3 1986 Towards a pseudoequational proof theory. Zbl 07031079Almeida, Jorge; Klíma, Ondřej 2 2018 On direct product decompositions of finite \(\mathcal J\)-trivial semigroups. Zbl 0786.20038Almeida, Jorge 2 1991 The gap between partial and full: an addendum. Zbl 1029.20029Almeida, J.; Higgins, P. M.; Volkov, M. V. 2 2001 Power exponents of aperiodic pseudovarieties. Zbl 0948.20033Almeida, Jorge 2 1999 Some key problems on finite semigroups. Zbl 1005.20039Almeida, Jorge 2 2002 The space of state vectors: a hyperfinite approach. Zbl 1070.81033Almeida, J.; Teixeira, J. 2 2004 Complete reducibility of pseudovarieties. Zbl 1133.20044Almeida, J.; Costa, J. C.; Zeitoun, M. 2 2007 Characterization of group radicals with an application to Mal’cev products. Zbl 1250.20046Almeida, Jorge; Margolis, Stuart; Steinberg, Benjamin; Volkov, Mikhail 2 2010 On fixed points of the lower set operator. Zbl 1330.20084Almeida, J.; Cano, A.; Klíma, O.; Pin, J.-É. 2 2015 A note on pseudovarieties of completely regular semigroups. Zbl 1346.20074Almeida, Jorge; Costa, Alfredo 2 2015 Closures of regular languages for profinite topologies. Zbl 1307.20048Almeida, J.; Costa, J. C.; Zeitoun, M. 2 2014 On the membership problem for pseudovarieties of commutative semigroups. Zbl 0728.20050Almeida, Jorge 2 1991 Representations of relatively free profinite semigroups, irreducibility, and order primitivity. Zbl 1443.20085Almeida, Jorge; Klíma, Ondřej 2 2020 Implicit operations on certain classes of semigroups. Zbl 0623.20041Almeida, Jorge; Azevedo, Assis 2 1987 Factoriality and the Pin-Reutenauer procedure. Zbl 1400.20055Almeida, J.; Costa, J. C.; Zeitoun, M. 2 2016 The pro-nilpotent group topology on a free group. Zbl 1472.20124Almeida, J.; Shahzamanian, M. H.; Steinberg, B. 2 2017 On the transition semigroups of centrally labeled Rauzy graphs. Zbl 1256.20052Almeida, Jorge; Costa, Alfredo 2 2012 Profinite semigroups and symbolic dynamics. Zbl 07243218Almeida, Jorge; Costa, Alfredo; Kyriakoglou, Revekka; Perrin, Dominique 1 2020 A note on the finite basis and finite rank properties for pseudovarieties of semigroups. Zbl 1401.20066Almeida, J.; Shahzamanian, M. H. 1 2018 Representations of relatively free profinite semigroups, irreducibility, and order primitivity. Zbl 1443.20085Almeida, Jorge; Klíma, Ondřej 2 2020 Profinite semigroups and symbolic dynamics. Zbl 07243218Almeida, Jorge; Costa, Alfredo; Kyriakoglou, Revekka; Perrin, Dominique 1 2020 The linear nature of pseudowords. Zbl 07094859Almeida, Jorge; Costa, Alfredo; Costa, José Carlos; Zeitoun, Marc 5 2019 Pseudovarieties of ordered completely regular semigroups. Zbl 07067814Almeida, Jorge; Klíma, Ondřej 1 2019 Towards a pseudoequational proof theory. Zbl 07031079Almeida, Jorge; Klíma, Ondřej 2 2018 A note on the finite basis and finite rank properties for pseudovarieties of semigroups. Zbl 1401.20066Almeida, J.; Shahzamanian, M. H. 1 2018 The \(\omega\)-inequality problem for concatenation hierarchies of star-free languages. Zbl 1429.20040Almeida, Jorge; Klíma, Ondřej; Kunc, Michal 1 2018 Equidivisible pseudovarieties of semigroups. Zbl 1399.20058Almeida, Jorge; Costa, Alfredo 4 2017 Reducibility of pointlike problems. Zbl 1422.20025Almeida, J.; Costa, J. C.; Zeitoun, M. 4 2017 The pro-nilpotent group topology on a free group. Zbl 1472.20124Almeida, J.; Shahzamanian, M. H.; Steinberg, B. 2 2017 Commutative positive varieties of languages. Zbl 1389.68055Almeida, Jorge; Ésik, Zoltán; Pin, Jean-Éric 1 2017 Complete \(\kappa\)-reducibility of pseudovarieties of the form DRH. Zbl 1472.20123Almeida, Jorge; Borlido, Célia 1 2017 Semisimple synchronizing automata and the Wedderburn-Artin theory. Zbl 1352.68172Almeida, Jorge; Rodaro, Emanuele 3 2016 On the irreducibility of pseudovarieties of semigroups. Zbl 1336.20055Almeida, J.; Klíma, O. 3 2016 A geometric interpretation of the Schützenberger group of a minimal subshift. Zbl 1394.20033Almeida, Jorge; Costa, Alfredo 3 2016 Factoriality and the Pin-Reutenauer procedure. Zbl 1400.20055Almeida, J.; Costa, J. C.; Zeitoun, M. 2 2016 Reducibility vs. definability for pseudovarieties of semigroups. Zbl 1385.20017Almeida, J.; Klíma, O. 1 2016 McCammond’s normal forms for free aperiodic semigroups revisited. Zbl 1315.20050Almeida, J.; Costa, J. C.; Zeitoun, M. 6 2015 On decidability of intermediate levels of concatenation hierarchies. Zbl 1434.68224Almeida, Jorge; Bartoňová, Jana; Klíma, Ondřej; Kunc, Michal 4 2015 On fixed points of the lower set operator. Zbl 1330.20084Almeida, J.; Cano, A.; Klíma, O.; Pin, J.-É. 2 2015 A note on pseudovarieties of completely regular semigroups. Zbl 1346.20074Almeida, Jorge; Costa, Alfredo 2 2015 Iterated periodicity over finite aperiodic semigroups. Zbl 1282.05212Almeida, Jorge; Costa, José Carlos; Zeitoun, Marc 4 2014 Closures of regular languages for profinite topologies. Zbl 1307.20048Almeida, J.; Costa, J. C.; Zeitoun, M. 2 2014 Presentations of Schützenberger groups of minimal subshifts. Zbl 1293.20054Almeida, Jorge; Costa, Alfredo 5 2013 On the transition semigroups of centrally labeled Rauzy graphs. Zbl 1256.20052Almeida, Jorge; Costa, Alfredo 2 2012 Idempotent-generated semigroups and pseudovarieties. Zbl 1235.20050Almeida, J.; Moura, Ana 3 2011 A decomposition theorem for Lie ideals in nest algebras. Zbl 1230.47105Almeida, J.; Oliveira, L. 1 2011 Cooperative control of multiple surface vessels in the presence of ocean currents and parametric model uncertainty. Zbl 1204.93008Almeida, J.; Silvestre, C.; Pascoal, A. 7 2010 Semidirect product with an order-computable pseudovariety and tameness. Zbl 1229.20059Almeida, J.; Costa, J. C.; Teixeira, M. L. 4 2010 Characterization of group radicals with an application to Mal’cev products. Zbl 1250.20046Almeida, Jorge; Margolis, Stuart; Steinberg, Benjamin; Volkov, Mikhail 2 2010 New decidable upper bound of the second level in the Straubing-Thérien concatenation hierarchy of star-free languages. Zbl 1286.68272Almeida, Jorge; Klíma, Ondrej 1 2010 Representation theory of finite semigroups, semigroup radicals and formal language theory. Zbl 1185.20058Almeida, Jorge; Margolis, Stuart; Steinberg, Benjamin; Volkov, Mikhail 35 2009 Infinite-vertex free profinite semigroupoids and symbolic dynamics. Zbl 1179.20050Almeida, Jorge; Costa, Alfredo 14 2009 Complexity of the identity checking problem for finite semigroups. Zbl 1213.20052Almeida, J.; Volkov, M. V.; Goldberg, S. V. 8 2009 Matrix mortality and the Černý-Pin conjecture. Zbl 1247.68123Almeida, Jorge; Steinberg, Benjamin 7 2009 Gérard Lallement (1935-2006). Zbl 1167.01313Almeida, Jorge; Perrin, Dominique 1 2009 Pointlike sets with respect to R and J. Zbl 1133.20045Almeida, Jorge; Costa, José Carlos; Zeitoun, Marc 5 2008 Description and analysis of a bottom-up DFA minimization algorithm. Zbl 1186.68242Almeida, Jorge; Zeitoun, Marc 5 2008 Decidability and tameness in the theory of finite semigroups. Zbl 1160.20056Almeida, Jorge 1 2008 An automata-theoretic approach to the word problem for \(\omega\)-terms over R. Zbl 1110.68059Almeida, Jorge; Zeitoun, Marc 16 2007 Complete reducibility of systems of equations with respect to \(\mathbf R\). Zbl 1148.20042Almeida, Jorge; Costa, José Carlos; Zeitoun, Marc 11 2007 Complete reducibility of pseudovarieties. Zbl 1133.20044Almeida, J.; Costa, J. C.; Zeitoun, M. 2 2007 Subword complexity of profinite words and subgroups of free profinite semigroups. Zbl 1186.20040Almeida, J.; Volkov, M. V. 16 2006 Can two chaotic systems give rise to order? Zbl 1064.37025Almeida, J.; Peralta-Salas, D.; Romera, M. 29 2005 Profinite semigroups and applications. Zbl 1109.20050Almeida, Jorge 22 2005 Tameness of pseudovariety joins involving R. Zbl 1091.20036Almeida, Jorge; Carlos Costa, José; Zeitoun, Marc 14 2005 Tameness of the pseudovariety of Abelian groups. Zbl 1083.20045Almeida, Jorge; Delgado, Manuel 9 2005 Profinite groups associated with weakly primitive substitutions. Zbl 1110.20022Almeida, J. 8 2005 The pseudovariety of semigroups of triangular matrices over a finite field. Zbl 1086.20029Almeida, Jorge; Margolis, Stuart W.; Volkov, Mikhail V. 5 2005 The equational theory of \(\omega\)-terms for finite \(\mathcal R\)-trivial semigroups. Zbl 1189.20050Almeida, Jorge; Zeitoun, Marc 4 2004 The space of state vectors: a hyperfinite approach. Zbl 1070.81033Almeida, J.; Teixeira, J. 2 2004 The globals of some subpseudovarieties of DA. Zbl 1080.20053Almeida, J.; Escada, A. 1 2004 Profinite identities for finite semigroups whose subgroups belong to a given pseudovariety. Zbl 1061.20050Almeida, J.; Volkov, M. V. 15 2003 Tameness of some locally trivial pseudovarieties. Zbl 1027.20034Almeida, Jorge; Zeitoun, Marc 5 2003 Finite semigroups: an introduction to a unified theory of pseudovarieties. Zbl 1033.20067Almeida, Jorge 20 2002 Dynamics of implicit operations and tameness of pseudovarieties of groups. Zbl 0988.20014Almeida, Jorge 17 2002 Hausdorff dimension in convex bornological spaces. Zbl 1022.46004Almeida, J.; Barreira, L. 7 2002 On the equation \({\mathbf V}*{\mathbf G}={\mathcal E}{\mathbf V}\). Zbl 0997.20053Almeida, J.; Escada, A. 6 2002 Some key problems on finite semigroups. Zbl 1005.20039Almeida, Jorge 2 2002 Dynamics of finite semigroups. Zbl 1034.20051Almeida, J. 1 2002 The pseudoidentity problem and reducibility for completely regular semigroups. Zbl 0982.20042Almeida, Jorge; Trotter, Peter G. 11 2001 On some systems of equations with constraints in a free group. – Addenda. (Sur certains systèmes d’équations avec constraintes dans un groupe libre. – Addenda.) Zbl 1046.20023Almeida, J.; Delgado, M. 7 2001 Globals of pseudovarieties of commutative semigroups: the finite basis problem, decidability and gaps. Zbl 0993.20035Almeida, Jorge; Azevedo, Assis 5 2001 SC-hyperdecidability of \(\mathbf R\). Zbl 0989.20045Almeida, J.; Silva, P. V. 5 2001 Hyperdecidability of pseudovarieties of orthogroups. Zbl 0982.20040Almeida, Jorge; Trotter, Peter G. 3 2001 The gap between partial and full: an addendum. Zbl 1029.20029Almeida, J.; Higgins, P. M.; Volkov, M. V. 2 2001 On the decidability of iterated semidirect products with applications to complexity. Zbl 1027.20033Almeida, Jorge; Steinberg, Benjamin 42 2000 Syntactic and global semigroup theory: A synthesis approach. Zbl 0947.20043Almeida, Jorge; Steinberg, Benjamin 17 2000 On finitely based pseudovarieties of the forms \({\mathbf V}*{\mathbf D}\) and \({\mathbf V}*{\mathbf D}_n\). Zbl 0944.20041Almeida, Jorge; Azevedo, Assis; Teixeira, Lurdes 11 2000 On hyperdecidable pseudovarieties of simple semigroups. Zbl 1010.20042Almeida, Jorge 6 2000 Hyperdecidable pseudovarieties and the calculation of semidirect products. Zbl 1028.20038Almeida, Jorge 34 1999 Pseudovariety joins involving \(\mathcal J\)-trivial semigroups. Zbl 1012.20054Almeida, Jorge; Azevedo, Assis; Zeitoun, Marc 12 1999 Some algorithmic problems for pseudovarieties. Zbl 0981.20049Almeida, Jorge 10 1999 On some systems of equations with constraints in a free group. (Sur certains systèmes d’équations avec contraintes dans un groupe libre.) Zbl 0960.20014Almeida, J.; Delgado, M. 7 1999 Power semigroups: results and problems. Zbl 1030.20036Almeida, J. 6 1999 Power exponents of aperiodic pseudovarieties. Zbl 0948.20033Almeida, Jorge 2 1999 Profinite categories and semidirect products. Zbl 0891.20037Almeida, J.; Weil, P. 38 1998 The gap between partial and full. Zbl 0970.20031Almeida, J.; Volkov, M. V. 16 1998 On the hyperdecidability of semidirect products of pseudovarieties. Zbl 0931.20047Almeida, Jorge; Silva, Pedro V. 10 1998 The pseudovariety \(J\) is hyperdecidable. Zbl 0928.20046Almeida, J.; Zeitoun, M. 10 1997 Free profinite \(\mathcal R\)-trivial monoids. Zbl 0892.20035Weil, Pascal; Almeida, Jorge 10 1997 Monoids respecting \(n\)-chains of intervals. Zbl 0873.20040Almeida, Jorge; Higgins, Peter M. 7 1997 A syntactical proof of locality of DA. Zbl 0858.20052Almeida, Jorge 35 1996 Relatively free profinite monoids: An introduction and examples. Zbl 0877.20038Almeida, J.; Weil, P. 22 1995 Free profinite semigroups over semidirect products. Zbl 0847.20055Almeida, J.; Weil, P. 7 1995 Finite semigroups and universal algebra. Rev. and transl. by the author. Zbl 0844.20039Almeida, Jorge 87 1994 Reduced factorizations in free profinite groups and join decompositions of pseudovarieties. Zbl 0818.20024Almeida, Jorge; Weil, Pascal 13 1994 A classification of aperiodic power monoids. Zbl 0816.20051Almeida, Jorge 1 1994 On regular implicit operations. Zbl 0802.20049Almeida, Jorge; Azevedo, Assis 10 1993 A unified syntactical approach to theorems of Putcha, Margolis, and Straubing on finite power semigroups. Zbl 0765.20029Almeida, Jorge 1 1993 Implicit operations and Knast’s theorem. Zbl 0818.20074Almeida, Jorge 1 1993 Semigroups whose idempotents form a subsemigroup. Zbl 0751.20042Almeida, J.; Pin, J.-E.; Weil, P. 11 1992 On the power semigroup of a finite semigroup. Zbl 0773.20026Almeida, Jorge 1 1992 Counting factors in words, semidirect products and power semigroups. Zbl 0900.20117Almeida, Jorge 1 1992 Finite semigroups and universal algebra. (Semigrupos finitos e álgebra universal.) Zbl 0757.08001Almeida, Jorge 18 1991 On iterated semidirect products of finite semilattices. Zbl 0743.20056Almeida, Jorge 7 1991 On finite simple semigroups. Zbl 0752.20030Almeida, Jorge 4 1991 On direct product decompositions of finite \(\mathcal J\)-trivial semigroups. Zbl 0786.20038Almeida, Jorge 2 1991 On the membership problem for pseudovarieties of commutative semigroups. Zbl 0728.20050Almeida, Jorge 2 1991 On pseudovarieties, varieties of languages, filters of congruences, pseudoidentities and related topics. Zbl 0715.08006Almeida, Jorge 27 1990 ...and 20 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 257 Authors 69 Almeida, Jorge 47 Steinberg, Benjamin 20 Pin, Jean-Eric 18 Costa, José Carlos 16 Volkov, Mikhail Vladimirovich 14 Weil, Pascal 13 Costa, Alfredo 13 Zeitoun, Marc 12 Fernandes, Vítor H. 11 Margolis, Stuart W. 10 Klíma, Ondřej 10 Lee, Edmond W. H. 9 Auinger, Karl 8 Delgado, Manuel 8 Gomes, Gracinda M. S. 8 Rhodes, John Lewis 8 Teixeira, Maria Lurdes 7 Nogueira, Conceição 6 Escada, Ana P. 6 Kufleitner, Manfred 6 Silva, Pedro V. 5 Blanchet-Sadri, Francine 5 Carton, Olivier 5 Gehrke, Mai 5 Luo, Yan Feng 5 Trotter, Peter G. 5 Zhang, Wen Ting 4 Dolinka, Igor 4 Ésik, Zoltán 4 Henckell, Karsten 4 Horváth, Gábor 4 Jackson, Marcel G. 4 Kaďourek, Jiří 4 Krebs, Andreas 4 Masopust, Tomáš 4 Moura, Ana 4 Rodaro, Emanuele 4 Steinby, Magnus 4 Vernitski, Alexei 3 Alibabaei, Khadijeh 3 Ayyer, Arvind 3 Ballester-Bolinches, Adolfo 3 Bedon, Nicolas 3 Borlido, Célia 3 Branco, Mário J. J. 3 Churchill, Genevieve 3 Diekert, Volker 3 Don, Henk 3 Gan, Aiping 3 Grech, Mariusz 3 Gusev, Sergeĭ Valentinovich 3 Higgins, Peter Michael 3 Perrin, Dominique 3 Petković, Tatjana 3 Quinteiro, Teresa M. 3 Straubing, Howard 3 van Gool, Samuel Jacob 3 Vernikov, Boris Munevich 3 Zhao, Xianzhong 2 Adámek, Jiří 2 Ananichev, Dmitry S. 2 Azevedo, Assis 2 Berstel, Jean 2 Boasson, Luc 2 Bogdanović, Stojan M. 2 Cano Gómez, Antonio 2 Cano, Antonio 2 Chen, Liang-Ting 2 Ćirić, Miroslav D. 2 Cosme-Llópez, Enric 2 Fleischer, Lukas 2 Fountain, John Barringham 2 Grunewald, Fritz J. 2 Kambites, Mark 2 Karpova, Olga 2 Kisielewicz, Andrzej Piotr 2 Krötzsch, Markus 2 Kunc, Michal 2 Kunyavskiĭ, Boris Èmmanuilovich 2 Mazorchuk, Volodymyr 2 Milius, Stefan 2 Paperman, Charles 2 Pervukhina, T. V. 2 Plotkin, Eugene 2 Salehi, Saeed 2 Schilling, Anne 2 Selmi, Carla 2 Shur, Arseny M. 2 Stein, Itamar 2 Szabó, Csaba 2 Szykuła, Marek 2 Thérien, Denis 2 Thiéry, Nicolas Marc 2 Thomazo, Michaël 2 Urbat, Henning 2 Vernitskiĭ, A. S. 2 Wächter, Jan Philipp 2 Walter, Tobias 2 Wilke, Thomas 2 Zantema, Hans ...and 157 more Authors all top 5 Cited in 76 Serials 54 International Journal of Algebra and Computation 49 Semigroup Forum 32 Theoretical Computer Science 23 Journal of Pure and Applied Algebra 15 Communications in Algebra 15 Journal of Algebra 13 Transactions of the American Mathematical Society 11 Algebra Universalis 11 International Journal of Foundations of Computer Science 9 Bulletin of the Australian Mathematical Society 9 RAIRO. Theoretical Informatics and Applications 8 Theory of Computing Systems 7 Information and Computation 4 Israel Journal of Mathematics 4 Monatshefte für Mathematik 4 RAIRO. Informatique Théorique et Applications 4 Portugaliae Mathematica. 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Académie des Sciences, Paris 1 Central European Journal of Mathematics 1 Journal of Multiple-Valued Logic and Soft Computing 1 Journal of Algebra and its Applications 1 Journal of Discrete Algorithms 1 Iranian Journal of Fuzzy Systems 1 Electronic Research Announcements in Mathematical Sciences 1 Asian-European Journal of Mathematics 1 ISRN Algebra 1 Algebraic Combinatorics all top 5 Cited in 26 Fields 277 Group theory and generalizations (20-XX) 153 Computer science (68-XX) 96 General algebraic systems (08-XX) 29 Mathematical logic and foundations (03-XX) 22 Combinatorics (05-XX) 21 Order, lattices, ordered algebraic structures (06-XX) 12 Associative rings and algebras (16-XX) 12 Dynamical systems and ergodic theory (37-XX) 10 Category theory; homological algebra (18-XX) 8 Topological groups, Lie groups (22-XX) 4 Probability theory and stochastic processes (60-XX) 3 History and biography (01-XX) 3 Commutative algebra (13-XX) 3 Algebraic geometry (14-XX) 3 Linear and multilinear algebra; matrix theory (15-XX) 3 General topology (54-XX) 2 Nonassociative rings and algebras (17-XX) 2 Information and communication theory, circuits (94-XX) 1 General and overarching topics; collections (00-XX) 1 Number theory (11-XX) 1 Difference and functional equations (39-XX) 1 Operator theory (47-XX) 1 Convex and discrete geometry (52-XX) 1 Algebraic topology (55-XX) 1 Manifolds and cell complexes (57-XX) 1 Statistical mechanics, structure of matter (82-XX) Citations by Year