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Artigos em Revistas Internacionais
Gomes, Gracinda M. S.
; Nobre, Isabel J. (2022)
Formations of inverse semigroups
Semigroup Forum: 105, 217–243.
Gomes, Gracinda M. S.
; Bernardo H. Fernandes (2021)
omega sharp algebras
Communications in Algebra: 49 (9), 3969–3999.
Gomes, Gracinda M. S.
; Bernardo H. Fernandes (2021)
A topological shuttle between inequalities and pseudoinequalities
Semigroup Forum: 102, no. 3, 916–924.
Gouveia, M. J.
;
Lehtonen, Erkko
(2021)
Permutation reconstruction from a few large patterns
Electronic Journal of Combinatorics: 28(3), #P3.41.
Araújo, João
;
Kinyon, M.
; R. Padmanabhan (2019)
A 2-base for inverse semigroups
(submitted).
Ghilardi S.;
Gouveia, M. J.
; Santocanale L (2019)
Fixed-Point Elimination in the Intuitionistic Propositional Calculus
ACM Transactions on Computational Logic: 21(1), 1-37.
Branco, Mário J. J.
;
Gomes, Gracinda M. S.
; Silva, Pedro V. (2019)
On the semigroup rank of a group
Semigroup Forum: 99, 568-578.
Araújo, João
;
Cameron, P. J.
(2019)
Primitive groups, road closures, and idempotent generation
(submitted).
Araújo, João
;
Kinyon, M.
;
Vigário, Edgar
(2019)
Short equational bases for MV-Algebras, commutative BCK-Algebras and LBCK-algebras
(submitted).
Araújo, João
;
Gomes, Gracinda M. S.
;
Bentz, Wolfram
(2018)
Congruences on direct products of transformation and matrix monoids
Semigroup Forum: 97, 384-416.
Araújo, João
;
Kinyon, M.
(2018)
Decidability and Independence of Conjugacy Problems in Finitely Presented Monoids
Theoretical Computer Science.
Branco, Mário J. J.
;
Gomes, Gracinda M. S.
; Gould, Victoria; Wang, Yanhui (2018)
Ehresmann monoids: adequacy and expansions
Journal of Algebra: 513, 344-367.
Soares, Filipa
; Silva, Pedro V.; Volkov, Mikhail V. (2018)
Local finiteness for Green's relations in semigroup varieties
Communications in Algebra: 40 (10), 4625-4653.
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
;
Bentz, Wolfram
; Janusz Konieczny; Joy Morris (2017)
Automorphism Groups of Circulant Digraphs with Applications to Semigroup Theory
Combinatorica, 1-28.
Araújo, João
; Peter J Cameron; Benjamin Steinberg (2017)
Between primitive and $2$-transitive: Synchronization and its friends
European Mathematical Society Surveys: 4:2, 101-184.
Araújo, João
;
Bentz, Wolfram
; Janusz Konieczny (2017)
Directed graphs of inner translations of semigroups
Semigroup Forum: 94(3), 650-673.
Araújo, João
; Janusz Konieczny; António Malheiro (2017)
Four Notions of Conjugacy for Abstract Semigroups
Proceedings of the Royal Academy of the Edinbourgh Mathematical Society: 147 A, 1169-1214.
Araújo, João
;
Cameron, P. J.
; Hulpke, A.; Lopes,P. (2017)
Imprimitive Permutations in Primitive Groups
Journal of Algebra: 486, 396-416.
Branco, Mário J. J.
;
Gomes, Gracinda M. S.
; Silva, Pedro V. (2017)
Takahasi semigroups
Forum Mathematicum: 29(5), 1145-1161.
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.
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.
Soares, Filipa
; Silva, Pedro V. (2016)
Howson's Property for Semidirect Products of Semilattices by Groups
Communications in Algebra: 44, 2482-2494.
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.
Belk, James;
Matucci, Francesco
(2016)
Röver’s simple group is of type F_\infty
Publicacions Matematiques: 60(2), 501-524.
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.
Araújo, João
; Cameron, Peter (2016)
Two Generalizations of Homogeneity in Groups with Applications to Regular Semigroups
Trans. Amer. Math. Soc.: 368, 1159--1188.
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.
Cameron, P. J.
; Sebastian M. Cioaba (2015)
A graph partition problem
American Mathematical Monthly: 122, 972-983.
Araújo, João
;
Kinyon, M.
(2015)
A natural characterization of semilattices of rectangular bands and groups of exponent two
Semigroup Forum: 91, 295-298.
Couceiro, Miguel;
Lehtonen, Erkko
; Waldhauser, Tamás (2015)
A survey on the arity gap
Journal of Multiple-Valued Logic and Soft Computing: 24, 223–249.
Drapal, A.;
Kinyon, M.
(2015)
Buchsteiner loops: associators and constructions
Algebra and its Applications: 14(4), 1550050.
Kinyon, M.
; J. Leech; J. Pita Costa (2015)
Distributivity in skew lattices
Semigroup Forum: 91, 378-400.
Branco, Mário J. J.
;
Gomes, Gracinda M. S.
; Gould, Victoria (2015)
Ehresmann monoids
J. Algebra: 443, 349–382.
Lehtonen, Erkko
; Pilitowska, Agata (2015)
Entropicity and generalized entropic property in idempotent n-semigroups
Semigroup Forum: 91, 260–281.
Couceiro, Miguel;
Lehtonen, Erkko
; Schölzel, Karsten (2015)
Hypomorphic Sperner systems and non-reconstructible functions
Order: 32, 255–292.
Kinyon, M.
; I. Wanless (2015)
Loops with exponent 3 in all isotopes
International Journal of Algebra and Computation: 25(7), 1159-1177.
László Babai;
Cameron, P. J.
(2015)
Most primitive groups are full automorphism groups of edge-transitive hypergraphs
Journal of Algebra: 421, 512--523.
Cameron, P. J.
; Pablo Spiga (2015)
Most switching classes with primitive automorphism groups contain graphs with trivial groups
Australasian J. Combinatorics: 62, 76-90.
Couceiro, Miguel;
Lehtonen, Erkko
; Waldhauser, Tamás (2015)
On equational definability of function classes
J. Mult.-Valued Logic Soft Comput.: 24, 203–222.
Lehtonen, Erkko
(2015)
On functions with a unique identification minor
Order.
R. Almeida;
Teixeira, Alberto
(2015)
On the convergence of a predictor-corrector variant algorithm
TOP: 23(2), 401 - 418.
Couceiro, Miguel;
Lehtonen, Erkko
; Schölzel, Karsten (2015)
Set-reconstructibility of Post classes
Discrete Applied Mathematics: 187, 12–18.
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.
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 (2014)
Additive decomposition schemes for polynomial functions over fields
Novi Sad J. Math.: 44(2), 89–105.
Lehtonen, Erkko
; Marichal, Jean-Luc; Teheux, Bruno (2014)
Associative string functions
Asian-Eur. J. Math.: 7(4), 1450059, 18 pp..
Martins, Rachel
(2014)
C*-bundle dynamical systems
, (submitted).
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CEMAT
- Center for Computational and Stochastic Mathematics
Instituto Superior Têcnico
Faculdade de Ciências
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