Papers in International Journals

• Hamdi, Haleh (2025) c-Injectivity over Krull domains 

• Hamdi, Haleh; Sahandi, Parviz (2025) Graded pseudo-almost valuation domains Journal of Algebra and Its Applications: 24 (4), 2550100.

• Gomes, Gracinda M. S.; Ana-Catarina C. Monteiro (2024) Formations and i-Fitting classes of inverse semigroups, congruences and languages Semigroup Forum: 109 (1), 87-115.

• Hamdi, Haleh; Sahandi, Parviz (2024) Graded almost pseudo-valuation domains Communications in Algebra: 52(1), 315-326.

• Hamdi, Haleh (2024) Noetherian Extensions of Commutative Rings London Mathematical Society Newsletter: 511, 17-22.

• Hamdi, Haleh; Ay Saylam, Basak; Gurbuz, Ezgi (2024) w-locally isomorphic torsionless modules over weakly Matlis domains Communications in Algebra: 52(9), 3721-3733.

• Gomes, Gracinda M. S.; Ana-Catarina C. Monteiro (2023) Formations of orthodox semigroups Semigroup Forum: 107, 651–679.

• Hamdi, Haleh; Ay Saylam, Basak; Gurbuz, Ezgi (2023) Unique decomposition into w-ideals for strong Mori domains Journal of Algebra and Its Applications: 22(12), 2350250(1)-2350250(14).

• 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.

• Hamdi, Haleh; Ay Saylam, Basak (2021) ES-w-stability Communications in Algebra: 49(8), 3457-3476.

• Gouveia, M. J.; Lehtonen, Erkko (2021) Permutation reconstruction from a few large patterns Electronic Journal of Combinatorics: 28(3), #P3.41.

• Hamdi, Haleh; Chang, Gyu Whan (2020) Graded Prufer domains with Clifford homogeneous class semigroups Communications in Algebra: 48(2), 508-522.

• Araújo, João; Kinyon, M.; R. Padmanabhan (2019) A 2-base for inverse semigroups (submitted).

• Hamdi, Haleh; Chang, Gyu Whan (2019) Bazzoni's conjecture and almost Prufer domains Communications in Algebra: 47(7), 2931-2940.

• 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.

• Hamdi, Haleh; Sahandi, Parviz; Chang, Gyu Whan (2019) Graded integral domains in which each nonzero homogeneous t-ideal is divisorial Journal of Algebra and Its Applications: 18 (1), 1950018(1)-1950018(20).

• Hamdi, Haleh; Chang, Gyu Whan (2019) Noetherian extensions of commutative rings Journal of Algebra: 534, 344-357.

• 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.

• Hamdi, Haleh; Sahandi, Parviz (2018) Graded primitive and INC-extensions Communications of the Korean Mathematical Society: 33, 397-408.

• 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.

• Hamdi, Haleh; Sahandi, Parviz (2018) Uppers to zero in polynomial rings over graded domains and UMt-domains Bulletin of the Korean Mathematical Society: 55, 187-204.

• 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.