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Papers in International Journals

Araújo, João; Bentz, Wolfram; Cameron, P. J. (2018) Orbits of Primitive k-Homogenous Groups on (n?k)-Partitions with Applications to Semigroups . Transactions of the American Mathematical Society.
Araújo, João; Janusz Konieczny; António Malheiro (2017) Four Notions of Conjugacy for Abstract Semigroups . Proceedings of the Royal Academy of the Edinbourgh Mathematical Society.
Araújo, João; Peter J Cameron; Benjamin Steinberg (2017) Between primitive and $2$-transitive: Synchronization and its friends . European Mathematical Society Surveys.
Araújo, João; Bentz, Wolfram; Gomes, Gracinda M. S. (2017) Congruences on Direct Products of Transformation and Matrix Monoids .  .
Araújo, João; Cameron, P. J. (2017) Primitive groups, road closures, and idempotent generation .  .
Araújo, João; Bentz, Wolfram; Janusz Konieczny (2017) Directed graphs of inner translations of semigroups. Semigroup Forum: 94(3), 650-673.
Branco, Mário J. J.; Gomes, Gracinda M. S.; Pedro V. Silva (2017) Takahasi semigroups. Forum Mathematicum: 29(5), 1145-1161.
Araújo, João; Cameron, P. J.; Hulpke, A.; Lopes,P. (2017) Imprimitive Permutations in Primitive Groups . Journal of Algebra.
Araújo, João; Kinyon, M. (2017) Decidability and Independence of Conjugacy Problems in Finitely Presented Monoids . submitted.
Araújo, João; Bentz, Wolfram; Janusz Konieczny; Joy Morris (2017) Automorphism Groups of Circulant Digraphs with Applications to Semigroup Theory. Combinatorica, 1-28.
Bleak, Collin; Matucci, Francesco; Neunhöffer, Max  (2016) Embeddings into Thompson's group V and coCF groups. Journal of the London Mathematical Society: 94(2), 583-597.
Martinez-Perez, Conchita; Matucci, Francesco; Nucinkis, Brita (2016) Cohomological finiteness conditions and centralisers in generalisations of Thompson's group V. Forum Mathematicum : 28(5), 909-921.
Belk, James; Matucci, Francesco (2016) Röver’s simple group is of type F_\infty. Publicacions Matematiques: 60(2), 501-524.
Araújo, João; Bentz, Wolfram; Cameron, P. J.; Gordon Royle; Artur Schaefer (2016) Primitive Groups, Graph Endomorphisms and Synchronization. Proceedings of the London Mathematical Society: 113, 829--867.
Araújo, João; Cameron, Peter (2016) Two Generalizations of Homogeneity in Groups with Applications to Regular Semigroups . Trans. Amer. Math. Soc.: 368, 1159--1188.
André, Jorge M.; Araújo, João; Cameron, Peter (2016) The classification of partition homogeneous groups with applications to semigroup theory. Journal of Algebra: 452, 288--310.
Burillo, José; Matucci, Francesco; Ventura, Enric (2016) The Conjugacy Problem in Extensions of Thompson's group F. Israel Journal of Mathematics: 216(1), 15-59.
Soares, Filipa (2016) Howson's Property for Semidirect Products of Semilattices by Groups. Communications in Algebra: 44, 2482-2494.
Branco, Mário J. J.; Gomes, Gracinda M. S. (2015) Ehresmann monoids.  J. Algebra : 443, 349–382.
Couceiro, Miguel; Lehtonen, Erkko; Waldhauser, Tamás (2015) On equational definability of function classes. J. Mult.-Valued Logic Soft Comput.: 24, 203–222.
Couceiro, Miguel; Lehtonen, Erkko; Schölzel, Karsten (2015) Hypomorphic Sperner systems and non-reconstructible functions. Order: 32, 255–292.
Lehtonen, Erkko (2015) On functions with a unique identification minor. Order.
Araújo, João; Bentz, Wolfram; Mitchell, James D.; Schneider, Csaba (2015) The rank of the semigroup of transformations stabilising a partition of a finite set.  Math. Proc. Cambridge Philos. Soc.: 159, 339-353.
Gomes, Gracinda M. S.; Santa-Clara, Catarina; Soares, Filipa (2015) The semigroup ring of a restriction semigroup with an inverse skeleton. Semigroup Forum: 90 (2015), no. 2, 449–474.
Couceiro, Miguel; Lehtonen, Erkko; Schölzel, Karsten (2015) Set-reconstructibility of Post classes. Discrete Applied Mathematics: 187, 12–18.
Craig, A.; Gouveia, M. J.; Haviar, M. (2015) TiRS graphs and TiRS frames: a new setting for duals of canonical extensions. , (in press).
Couceiro, Miguel; Lehtonen, Erkko; Waldhauser, Tamás (2015) A survey on the arity gap. Journal of Multiple-Valued Logic and Soft Computing: 24, 223–249.
Lehtonen, Erkko; Pilitowska, Agata (2015) Entropicity and generalized entropic property in idempotent n-semigroups. Semigroup Forum: 91, 260–281.
Soares, Graça (2015) Some further notes on the matrix equations A^TXB+B^TX^TA=C and A^T X B+ B^T XA=C. Acta Mathematica Scientia: 1(35), (in press).
Couceiro, Miguel; Lehtonen, Erkko; Schölzel, Karsten (2015) A complete classification of equational classes of threshold functions included in clones. RAIRO Operations Research: 49, 39–66.
Lehtonen, Erkko (2014) Totally symmetric functions are reconstructible from identification minors. The Electronic Journal of Combinatorics: 21(2), #P2.6.
Araújo, João; Kinyon, M. (2014) Inverse semigroups with idempotent-fixing automorphisms. Semigroup Forum: 89(2), 469-474.
Couceiro, Miguel; Lehtonen, Erkko; Waldhauser, Tamás (2014) Additive decomposition schemes for polynomial functions over fields. Novi Sad J. Math.: 44(2), 89–105.
Bentz, Wolfram; Davey, Brian; Pitkethly, Jane; Willard, Ross (2014) Dualizability of Automatic Algebras. Journal of Pure and Applied Algebra: 218(7), 1324–1345.
Martins, Rachel (2014) C*-bundle dynamical systems. , (submitted).
Araújo, João; Bentz, Wolfram; Janusz Konieczny (2014) The Commuting Graph of the Symmetric Inverse Semigroup. Israel Journal of Mathematics: 207, 103-149.
Biringer, Ian; Bou-Rabee, Khalid; Kassabov, Martin; Matucci, Francesco (2014) Intersection growth in groups. Transactions of the American Mathematical Society, (in press).
Araújo, João; Kinyon, M.; Vigário, Edgar (2014) Short equational bases for MV-Algebras, commutative BCK-Algebras and LBCK-algebras. , (submitted).
Araújo, João; Janusz Konieczny; Malheiro, António (2014) Conjugation in semigroups. Journal of Algebra: 403, 93-134.
Lehtonen, Erkko (2014) Reconstructing multisets over commutative groupoids and affine functions over nonassociative semirings. International Journal of Algebra and Computation: 24(1), 11-31.
Araújo, João; Bentz, Wolfram; Konieczny, Janusz (2014) The largest subsemilattices of the endomorphism monoid of an independence algebra. Linear Algebra and its Applications: 458, 50-79.
Bentz, Wolfram; Mayr, P. (2014) Supernilpotence prevents dualizability. Journal of the Australian Mathematical Society: 96(1), 1-24.
Lehtonen, Erkko; Pilitowska, Agata (2014) Generalized entropy in expanded semigroups and in algebras with neutral element. Semigroup Forum: 88(3), 702–714.
Medeiros, Paulo (2014) Compatible total orders on w-regular semigroups. Semigroup Forum: 89(1), 217-235.
Gomes, Gracinda M. S.; Ruskuc, Nik (2014) John Macintosh Howie: Work and Legacy. Semigroup Forum: 89(1), 2-19.
Bentz, Wolfram; Sequeira, Luís (2014) Taylor's modularity conjecture holds for linear idempotent varieties. Algebra Universalis: 71(2), 101-107.
Kassabov, Martin; Matucci, Francesco (2014) On groups with slow intersection growth. , (submitted).
Martins, Rachel (2014) Spectral C*-categories and Fell bundles with path-lifting. , (submitted).
Gouveia, M. J.; Priestley, H. A. (2014) Canonical extensions and profinite completions of semilattices and lattices . Order: 31(2), 189-216.
Belk, James; Matucci, Francesco (2014) Conjugacy and Dynamics in Thompson's groups. Geometriae Dedicata: 169(1), 239-261.
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