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Araújo, João

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Author ID: araujo.joao Recent zbMATH articles by "Araújo, João"
Published as: Araújo, J.; Araújo, João
Homepage: https://docentes.fct.unl.pt/jj-araujo
External Links: MGP · ORCID · ResearchGate · dblp
Documents Indexed: 67 Publications since 2000

Publications by Year

Citations contained in zbMATH

57 Publications have been cited 414 times in 154 Documents Cited by Year
Semigroups of transformations preserving an equivalence relation and a cross-section. Zbl 1068.20061
Araújo, João; Konieczny, Janusz
32
2004
Automorphism groups of centralizers of idempotents. Zbl 1037.20062
Araújo, João; Konieczny, Janusz
29
2003
Minimal paths in the commuting graphs of semigroups. Zbl 1227.05161
Araújo, João; Kinyon, Michael; Konieczny, Janusz
20
2011
The rank of the endomorphism monoid of a uniform partition. Zbl 1176.20059
Araújo, João; Schneider, Csaba
16
2009
Between primitive and 2-transitive: synchronization and its friends. Zbl 1402.68124
Araújo, João; Cameron, Peter J.; Steinberg, Benjamin
14
2017
General theorems on automorphisms of semigroups and their applications. Zbl 1194.20059
Araújo, João; Konieczny, Janusz
12
2009
Relative ranks in the monoid of endomorphisms of an independence algebra. Zbl 1126.20045
Araújo, J.; Mitchell, J. D.
12
2007
Two generalizations of homogeneity in groups with applications to regular semigroups. Zbl 1375.20003
Araújo, João; Cameron, Peter J.
11
2016
The rank of the semigroup of transformations stabilising a partition of a finite set. Zbl 1371.20055
Araújo, João; Bentz, Wolfram; Mitchell, James D.; Schneider, Csaba
11
2015
Primitive groups synchronize non-uniform maps of extreme ranks. Zbl 1297.05162
Araújo, João; Cameron, Peter J.
11
2014
An elementary proof that every singular matrix is a product of idempotent matrices. Zbl 1124.15006
Araújo, J.; Mitchell, J. D.
11
2005
Groups synchronizing a transformation of non-uniform kernel. Zbl 1295.68162
Araújo, João; Bentz, Wolfram; Cameron, Peter J.
10
2013
Primitive groups, graph endomorphisms and synchronization. Zbl 1360.05072
Araújo, João; Bentz, Wolfram; Cameron, Peter J.; Royle, Gordon; Schaefer, Artur
9
2016
The classification of partition homogeneous groups with applications to semigroup theory. Zbl 1382.20004
André, Jorge; Araújo, João; Cameron, Peter J.
9
2016
Centralizers in the full transformation semigroup. Zbl 1267.20090
Araújo, João; Konieczny, Janusz
9
2013
Groups that together with any transformation generate regular semigroups or idempotent generated semigroups. Zbl 1241.20071
Araújo, J.; Mitchell, J. D.; Schneider, Csaba
9
2011
The origins of independence algebras. Zbl 1189.08001
Araújo, João; Fountain, John
9
2004
Idempotent generated endomorphisms of an independence algebra. Zbl 1048.20038
Araújo, João
9
2003
The classification of normalizing groups. Zbl 1277.20073
Araújo, João; Cameron, Peter J.; Mitchell, James D.; Neunhöffer, Max
8
2013
Automorphisms of partial endomorphism semigroups. Zbl 1235.20055
Araújo, João; Fernandes, Vítor H.; Jesus, Manuel M.; Maltcev, Victor; Mitchell, James D.
8
2011
Computing automorphisms of semigroups. Zbl 1186.20049
Araújo, J.; Bünau, P. V.; Mitchell, J. D.; Neunhöffer, M.
8
2010
A method of finding automorphism groups of endomorphism monoids of relational systems. Zbl 1123.20054
Araújo, João; Konieczny, Janusz
8
2007
On generating countable sets of endomorphisms. Zbl 1091.08002
Araújo, J.; Mitchell, J. D.; Silva, N.
8
2003
Semigroups of linear endomorphisms closed under conjugation. Zbl 0961.20049
Araújo, João; Silva, Fernando C.
8
2000
Independent axiom systems for nearlattices. Zbl 1249.06003
Araújo, J.; Kinyon, M.
7
2011
\(v^*\)-algebras, independence algebras and logic. Zbl 1242.03060
Araújo, João; Edmundo, Mário; Givant, Steven
7
2011
Regular centralizers of idempotent transformations. Zbl 1227.20054
André, Jorge; Araújo, João; Konieczny, Janusz
7
2011
Automorphisms of endomorphism monoids of relatively free bands. Zbl 1123.20048
Araújo, João; Konieczny, Janusz
7
2007
Conjugation in semigroups. Zbl 1302.20065
Araújo, João; Konieczny, Janusz; Malheiro, António
6
2014
Automorphisms of endomorphism monoids of 1-simple free algebras. Zbl 1168.08001
Araújo, João; Konieczny, Janusz
6
2009
Dense relations are determined by their endomorphism monoids. Zbl 1069.20059
Araújo, João; Konieczny, Janusz
6
2005
Normal semigroups of endomorphisms of proper independence algebras are idempotent generated. Zbl 1012.20059
Araújo, João
6
2002
Automorphisms of endomorphism semigroups of reflexive digraphs. Zbl 1208.20055
Araújo, João; Dobson, Edward; Konieczny, Janusz
5
2010
Computer solutions of problems in inverse semigroups. Zbl 1202.20065
Araújo, João; McCune, William
5
2010
Embedding properties of endomorphism semigroups. Zbl 1175.20053
Araújo, João; Wehrung, Friedrich
5
2009
Orbits of primitive \(k\)-homogenous groups on \((n-k)\)-partitions with applications to semigroups. Zbl 06993228
Araújo, João; Bentz, Wolfram; Cameron, Peter J.
4
2019
Four notions of conjugacy for abstract semigroups. Zbl 06835758
Araújo, João; Kinyon, Michael; Konieczny, Janusz; Malheiro, António
4
2017
Inverse semigroups with idempotent-fixing automorphisms. Zbl 1307.20054
Araújo, João; Kinyon, Michael
4
2014
The largest subsemilattices of the endomorphism monoid of an independence algebra. Zbl 1302.08005
Araújo, João; Bentz, Wolfram; Konieczny, Janusz
4
2014
A characterization of adequate semigroups by forbidden subsemigroups. Zbl 1302.20060
Araújo, João; Kinyon, Michael; Malheiro, António
4
2013
On a problem of M. Kambites regarding abundant semigroups. Zbl 1263.20055
Araújo, João; Kinyon, Michael
4
2012
Automorphism groups of circulant digraphs with applications to semigroup theory. Zbl 1399.05099
Araújo, João; Bentz, Wolfram; Dobson, Edward; Konieczny, Janusz; Morris, Joy
3
2018
Imprimitive permutations in primitive groups. Zbl 1431.20004
Araújo, J.; Araújo, J. P.; Cameron, P. J.; Dobson, T.; Hulpke, A.; Lopes, P.
3
2017
The commuting graph of the symmetric inverse semigroup. Zbl 1314.05226
Araújo, João; Bentz, Wolfram; Janusz, Konieczny
3
2015
Semigroups of matrices closed under conjugation by normal linear groups. Zbl 1096.20048
Araújo, João; Silva, Fernando C.
3
2005
On idempotent generated semigroups. Zbl 1005.20045
Araújo, João
3
2002
Directed graphs of inner translations of semigroups. Zbl 1423.05078
Araújo, João; Bentz, Wolfram; Konieczny, Janusz
2
2017
A method for finding new sets of axioms for classes of semigroups. Zbl 1262.20059
Araújo, João; Konieczny, Janusz
2
2012
Axioms for unary semigroups via division operations. Zbl 1261.20067
Araújo, João; Kinyon, Michael
2
2012
An elegant 3-basis for inverse semigroups. Zbl 1222.20043
Araújo, João; Kinyon, Michael
2
2011
Molaei’s generalized groups are completely simple semigroups. Zbl 1064.20065
Araújo, João; Konieczny, Janusz
2
2002
Generators for the semigroup of endomorphisms of an independence algebra. Zbl 1022.20033
Araújo, João
2
2002
Primitive permutation groups and strongly factorizable transformation semigroups. Zbl 07262042
Araújo, João; Bentz, Wolfram; Cameron, Peter J.
1
2021
Varieties of regular semigroups with uniquely defined inversion. Zbl 07198396
Araújo, João; Kinyon, Michael; Robert, Yves
1
2019
Permutation groups and transformation semigroups: results and problems. Zbl 1346.20078
Araújo, João; Cameron, Peter J.
1
2015
On finite complete presentations and exact decompositions of semigroups. Zbl 1242.20063
Araújo, João; Malheiro, António
1
2011
Lifts for semigroups of endomorphisms of an independence algebra. Zbl 1097.08001
Araújo, João
1
2006
Primitive permutation groups and strongly factorizable transformation semigroups. Zbl 07262042
Araújo, João; Bentz, Wolfram; Cameron, Peter J.
1
2021
Orbits of primitive \(k\)-homogenous groups on \((n-k)\)-partitions with applications to semigroups. Zbl 06993228
Araújo, João; Bentz, Wolfram; Cameron, Peter J.
4
2019
Varieties of regular semigroups with uniquely defined inversion. Zbl 07198396
Araújo, João; Kinyon, Michael; Robert, Yves
1
2019
Automorphism groups of circulant digraphs with applications to semigroup theory. Zbl 1399.05099
Araújo, João; Bentz, Wolfram; Dobson, Edward; Konieczny, Janusz; Morris, Joy
3
2018
Between primitive and 2-transitive: synchronization and its friends. Zbl 1402.68124
Araújo, João; Cameron, Peter J.; Steinberg, Benjamin
14
2017
Four notions of conjugacy for abstract semigroups. Zbl 06835758
Araújo, João; Kinyon, Michael; Konieczny, Janusz; Malheiro, António
4
2017
Imprimitive permutations in primitive groups. Zbl 1431.20004
Araújo, J.; Araújo, J. P.; Cameron, P. J.; Dobson, T.; Hulpke, A.; Lopes, P.
3
2017
Directed graphs of inner translations of semigroups. Zbl 1423.05078
Araújo, João; Bentz, Wolfram; Konieczny, Janusz
2
2017
Two generalizations of homogeneity in groups with applications to regular semigroups. Zbl 1375.20003
Araújo, João; Cameron, Peter J.
11
2016
Primitive groups, graph endomorphisms and synchronization. Zbl 1360.05072
Araújo, João; Bentz, Wolfram; Cameron, Peter J.; Royle, Gordon; Schaefer, Artur
9
2016
The classification of partition homogeneous groups with applications to semigroup theory. Zbl 1382.20004
André, Jorge; Araújo, João; Cameron, Peter J.
9
2016
The rank of the semigroup of transformations stabilising a partition of a finite set. Zbl 1371.20055
Araújo, João; Bentz, Wolfram; Mitchell, James D.; Schneider, Csaba
11
2015
The commuting graph of the symmetric inverse semigroup. Zbl 1314.05226
Araújo, João; Bentz, Wolfram; Janusz, Konieczny
3
2015
Permutation groups and transformation semigroups: results and problems. Zbl 1346.20078
Araújo, João; Cameron, Peter J.
1
2015
Primitive groups synchronize non-uniform maps of extreme ranks. Zbl 1297.05162
Araújo, João; Cameron, Peter J.
11
2014
Conjugation in semigroups. Zbl 1302.20065
Araújo, João; Konieczny, Janusz; Malheiro, António
6
2014
Inverse semigroups with idempotent-fixing automorphisms. Zbl 1307.20054
Araújo, João; Kinyon, Michael
4
2014
The largest subsemilattices of the endomorphism monoid of an independence algebra. Zbl 1302.08005
Araújo, João; Bentz, Wolfram; Konieczny, Janusz
4
2014
Groups synchronizing a transformation of non-uniform kernel. Zbl 1295.68162
Araújo, João; Bentz, Wolfram; Cameron, Peter J.
10
2013
Centralizers in the full transformation semigroup. Zbl 1267.20090
Araújo, João; Konieczny, Janusz
9
2013
The classification of normalizing groups. Zbl 1277.20073
Araújo, João; Cameron, Peter J.; Mitchell, James D.; Neunhöffer, Max
8
2013
A characterization of adequate semigroups by forbidden subsemigroups. Zbl 1302.20060
Araújo, João; Kinyon, Michael; Malheiro, António
4
2013
On a problem of M. Kambites regarding abundant semigroups. Zbl 1263.20055
Araújo, João; Kinyon, Michael
4
2012
A method for finding new sets of axioms for classes of semigroups. Zbl 1262.20059
Araújo, João; Konieczny, Janusz
2
2012
Axioms for unary semigroups via division operations. Zbl 1261.20067
Araújo, João; Kinyon, Michael
2
2012
Minimal paths in the commuting graphs of semigroups. Zbl 1227.05161
Araújo, João; Kinyon, Michael; Konieczny, Janusz
20
2011
Groups that together with any transformation generate regular semigroups or idempotent generated semigroups. Zbl 1241.20071
Araújo, J.; Mitchell, J. D.; Schneider, Csaba
9
2011
Automorphisms of partial endomorphism semigroups. Zbl 1235.20055
Araújo, João; Fernandes, Vítor H.; Jesus, Manuel M.; Maltcev, Victor; Mitchell, James D.
8
2011
Independent axiom systems for nearlattices. Zbl 1249.06003
Araújo, J.; Kinyon, M.
7
2011
\(v^*\)-algebras, independence algebras and logic. Zbl 1242.03060
Araújo, João; Edmundo, Mário; Givant, Steven
7
2011
Regular centralizers of idempotent transformations. Zbl 1227.20054
André, Jorge; Araújo, João; Konieczny, Janusz
7
2011
An elegant 3-basis for inverse semigroups. Zbl 1222.20043
Araújo, João; Kinyon, Michael
2
2011
On finite complete presentations and exact decompositions of semigroups. Zbl 1242.20063
Araújo, João; Malheiro, António
1
2011
Computing automorphisms of semigroups. Zbl 1186.20049
Araújo, J.; Bünau, P. V.; Mitchell, J. D.; Neunhöffer, M.
8
2010
Automorphisms of endomorphism semigroups of reflexive digraphs. Zbl 1208.20055
Araújo, João; Dobson, Edward; Konieczny, Janusz
5
2010
Computer solutions of problems in inverse semigroups. Zbl 1202.20065
Araújo, João; McCune, William
5
2010
The rank of the endomorphism monoid of a uniform partition. Zbl 1176.20059
Araújo, João; Schneider, Csaba
16
2009
General theorems on automorphisms of semigroups and their applications. Zbl 1194.20059
Araújo, João; Konieczny, Janusz
12
2009
Automorphisms of endomorphism monoids of 1-simple free algebras. Zbl 1168.08001
Araújo, João; Konieczny, Janusz
6
2009
Embedding properties of endomorphism semigroups. Zbl 1175.20053
Araújo, João; Wehrung, Friedrich
5
2009
Relative ranks in the monoid of endomorphisms of an independence algebra. Zbl 1126.20045
Araújo, J.; Mitchell, J. D.
12
2007
A method of finding automorphism groups of endomorphism monoids of relational systems. Zbl 1123.20054
Araújo, João; Konieczny, Janusz
8
2007
Automorphisms of endomorphism monoids of relatively free bands. Zbl 1123.20048
Araújo, João; Konieczny, Janusz
7
2007
Lifts for semigroups of endomorphisms of an independence algebra. Zbl 1097.08001
Araújo, João
1
2006
An elementary proof that every singular matrix is a product of idempotent matrices. Zbl 1124.15006
Araújo, J.; Mitchell, J. D.
11
2005
Dense relations are determined by their endomorphism monoids. Zbl 1069.20059
Araújo, João; Konieczny, Janusz
6
2005
Semigroups of matrices closed under conjugation by normal linear groups. Zbl 1096.20048
Araújo, João; Silva, Fernando C.
3
2005
Semigroups of transformations preserving an equivalence relation and a cross-section. Zbl 1068.20061
Araújo, João; Konieczny, Janusz
32
2004
The origins of independence algebras. Zbl 1189.08001
Araújo, João; Fountain, John
9
2004
Automorphism groups of centralizers of idempotents. Zbl 1037.20062
Araújo, João; Konieczny, Janusz
29
2003
Idempotent generated endomorphisms of an independence algebra. Zbl 1048.20038
Araújo, João
9
2003
On generating countable sets of endomorphisms. Zbl 1091.08002
Araújo, J.; Mitchell, J. D.; Silva, N.
8
2003
Normal semigroups of endomorphisms of proper independence algebras are idempotent generated. Zbl 1012.20059
Araújo, João
6
2002
On idempotent generated semigroups. Zbl 1005.20045
Araújo, João
3
2002
Molaei’s generalized groups are completely simple semigroups. Zbl 1064.20065
Araújo, João; Konieczny, Janusz
2
2002
Generators for the semigroup of endomorphisms of an independence algebra. Zbl 1022.20033
Araújo, João
2
2002
Semigroups of linear endomorphisms closed under conjugation. Zbl 0961.20049
Araújo, João; Silva, Fernando C.
8
2000
all top 5

Cited by 172 Authors

35 Araújo, João
24 Konieczny, Janusz
12 Cameron, Peter Jephson
11 Bentz, Wolfram
10 East, James
9 Mitchell, James D.
7 Kinyon, Michael K.
6 Dolinka, Igor
6 Fernandes, Vítor H.
6 Sun, Lei
4 Araújo, João Pedro
4 Chinram, Ronnason
4 Gadouleau, Maximilien
4 González, Luciano Javier
4 Gould, Victoria A. R.
4 Malheiro, António
4 Pei, Huisheng
4 Quinteiro, Teresa M.
4 Schneider, Csaba
3 André, Jorge M.
3 Calomino, Ismael
3 Castillo-Ramirez, Alonso
3 Péresse, Yann H.
3 Spiga, Pablo
2 Berlinkov, Mikhail V.
2 Cain, Alan J.
2 Celani, Sergio Arturo
2 Deng, Weina
2 Dobson, Edward
2 Egri-Nagy, Attila
2 Gerencsér, Balázs
2 Gomes, Gracinda M. S.
2 Gusev, Vladimir Valer’evich
2 Honyam, Preeyanuch
2 Jakubíková-Studenovská, Danica
2 Jungers, Raphaël M.
2 Kaewnoi, Thananya
2 Namnak, Chaiwat
2 Neunhöffer, Max
2 Nordahl, Thomas E.
2 Petapirak, Montakarn
2 Sawatraksa, Nares
2 Shitov, Yaroslav Nikolaevich
2 Stokes, Timothy E.
2 Šuličová, Miroslava
2 Volkov, Mikhail Vladimirovich
2 Wang, Limin
2 Wong, Dein
1 Ahmadi Zand, Mohammad Reza
1 Al-aadhami, Asawer Duraid
1 Alahmadi, Adel N.
1 Anderson, David Fenimore
1 Auinger, Karl
1 Badawi, Ayman
1 Banakh, Taras Onufrievich
1 Bartoszewicz, Artur
1 Bauer, Tomer
1 Baupradist, Samruam
1 Bera, Sudip
1 Bergman, George M.
1 Bhaskara Rao, K. P. S.
1 Bondar, Eugenija A.
1 Borralho, Maria
1 Bošnjak, Ivica
1 Bray, John N.
1 Bünau, P. V.
1 Burness, Timothy C.
1 Cai, Qi
1 Casimiro, Ana Cristina
1 Cheng, Eddie
1 Cicalò, Serena
1 Cichoń, Jacek
1 Dandan, Yang
1 de Seguins Pazzis, Clément
1 Derech, V. D.
1 Dey, Hiranya Kishore
1 Dimitrova, Ilinka
1 Distler, Andreas
1 Dobson, Ted
1 Dolžan, David
1 Edmundo, Mário J.
1 Fatehi, Farzad
1 Feng, Yingying
1 Ferens, Robert
1 Ferreira, José Augusto
1 Fountain, John Barringham
1 Garba, Goje Uba
1 García-Marco, Ignacio
1 Garzoni, Daniele
1 Giudici, Michael
1 Givant, Steven R.
1 Głąb, Szymon
1 Gonze, François
1 Gray, Robert D.
1 Greenfeld, Be’eri
1 Han, Xuefeng
1 Harper, Scott
1 Hulpke, Alexander Jörg
1 Ibrahim, Muhammad Jamilu
1 Imam, Abdussamad Tanko
...and 72 more Authors
all top 5

Cited in 64 Serials

26 Semigroup Forum
17 Communications in Algebra
11 Journal of Algebra
6 Journal of Algebra and its Applications
5 International Journal of Algebra and Computation
4 Bulletin of the Australian Mathematical Society
4 Algebra Universalis
4 Transactions of the American Mathematical Society
4 Asian-European Journal of Mathematics
3 European Journal of Combinatorics
3 Linear Algebra and its Applications
2 Israel Journal of Mathematics
2 Linear and Multilinear Algebra
2 Theoretical Computer Science
2 Bulletin of the Iranian Mathematical Society
2 Graphs and Combinatorics
2 Journal of Symbolic Computation
2 Archive for Mathematical Logic
2 Algebra Colloquium
2 Turkish Journal of Mathematics
2 Journal of the Australian Mathematical Society
2 Mathematics
1 Applicable Analysis
1 Discrete Mathematics
1 Mathematical Notes
1 Mathematical Proceedings of the Cambridge Philosophical Society
1 Ukrainian Mathematical Journal
1 Bulletin of the London Mathematical Society
1 Demonstratio Mathematica
1 Journal of Combinatorial Theory. Series A
1 Journal of Combinatorial Theory. Series B
1 Journal of Computer and System Sciences
1 Journal of Pure and Applied Algebra
1 Kyungpook Mathematical Journal
1 Mathematische Nachrichten
1 Mathematika
1 Monatshefte für Mathematik
1 Proceedings of the Edinburgh Mathematical Society. Series II
1 Proceedings of the London Mathematical Society. Third Series
1 Topology and its Applications
1 Combinatorica
1 Information and Computation
1 SIAM Journal on Matrix Analysis and Applications
1 Forum Mathematicum
1 Mathematica Bohemica
1 International Journal of Foundations of Computer Science
1 Indagationes Mathematicae. New Series
1 Journal of Mathematical Sciences (New York)
1 Journal of Mathematical Chemistry
1 Honam Mathematical Journal
1 Soft Computing
1 Journal of Group Theory
1 Journal of the European Mathematical Society (JEMS)
1 Portugaliae Mathematica. Nova Série
1 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
1 Central European Journal of Mathematics
1 Thai Journal of Mathematics
1 Mediterranean Journal of Mathematics
1 European Journal of Pure and Applied Mathematics
1 Carpathian Mathematical Publications
1 Topological Algebra and its Applications
1 Korean Journal of Mathematics
1 Algebraic Combinatorics
1 Prikladnaya Diskretnaya Matematika

Citations by Year