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Joao Araujo
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Between primitive and 2-transitive: synchronization and its friends
J Ara˙jo, PJ Cameron, B Steinberg
EMS Surveys in Mathematical Sciences 4 (2), 101-184, 2017
762017
Semigroups of transformations preserving an equivalence relation and a cross-section
J Ara˙jo, J Konieczny
Communications in Algebra 32 (5), 1917-1935, 2004
632004
Minimal paths in the commuting graphs of semigroups
J Ara˙jo, M Kinyon, J Konieczny
European Journal of Combinatorics 32 (2), 178-197, 2011
522011
Automorphism groups of centralizers of idempotents
J Ara˙jo, J Konieczny
Journal of Algebra 269 (1), 227-239, 2003
482003
The rank of the endomorphism monoid of a uniform partition
J Ara˙jo, C Schneider
Semigroup Forum 78, 498-510, 2009
472009
The rank of the semigroup of transformations stabilising a partition of a finite set
J Ara˙jo, W Bentz, JD Mitchell, C Schneider
Mathematical Proceedings of the Cambridge Philosophical Society 159 (2), 339-353, 2015
372015
Two generalizations of homogeneity in groups with applications to regular semigroups
J Ara˙jo, P Cameron
Transactions of the American Mathematical Society 368 (2), 1159-1188, 2016
302016
Groups synchronizing a transformation of non-uniform kernel
J Ara˙jo, W Bentz, PJ Cameron
Theoretical Computer Science 498, 1-9, 2013
302013
Conjugation in semigroups
J Ara˙jo, J Konieczny, A Malheiro
Journal of Algebra 403, 93-134, 2014
292014
The commuting graph of the symmetric inverse semigroup
J Ara˙jo, W Bentz, K Janusz
Israel Journal of Mathematics 207, 103-149, 2015
282015
Molaie’s generalized groups are completely simple semigroups
J Ara˙jo, J Konieczny
Bulletin of the Polytechnic Institute of Iassy. Sect. I. Mat. Mec. Teor. Fizá…, 2002
282002
Primitive groups synchronize non-uniform maps of extreme ranks
J Ara˙jo, PJ Cameron
Journal of Combinatorial Theory, Series B 106, 98-114, 2014
262014
Centralizers in the full transformation semigroup
J Ara˙jo, J Konieczny
Semigroup Forum 86, 1-31, 2013
252013
The origins of independence algebras
J ARA┌JO, J Fountain
Semigroups and languages, 54-67, 2004
232004
Relative ranks in the monoid of endomorphisms of an independence algebra
J Ara˙jo, JD Mitchell
Monatshefte fŘr mathematik 151, 1-10, 2007
222007
On generating countable sets of endomorphisms
J Ara˙jo, JD Mitchell, N Silva
Algebra Universalis 50 (1), 61-67, 2003
222003
Independent axiom systems for nearlattices
J Ara˙jo, M Kinyon
Czechoslovak mathematical journal 61 (4), 975-992, 2011
212011
Groups that together with any transformation generate regular semigroups or idempotent generated semigroups
J Araujo, JD Mitchell, C Schneider
Journal of Algebra 343 (1), 93-106, 2011
212011
An elementary proof that every singular matrix is a product of idempotent matrices
J Ara˙jo, JD Mitchell
The American Mathematical Monthly 112 (7), 641-645, 2005
212005
Dense relations are determined by their endomorphism monoids
J Ara˙jo, J Konieczny
Semigroup Forum 70, 302-306, 2005
212005
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