Publicações no âmbito do projecto
1 - J. Araújo, E. Dobson and J.
Konieczny;
Automorphisms of endomorphism semigroups
of reflexive digraphs,
Math. Nachr. 283 (2010), nº. 7, 939-964.
2- J. Araújo, M. Edmundo and S. Givant;
v*-Algebras,
Independence Algebras and Logic,
To
appear in International Journal of Algebra and Computation.
3 - J. Araújo, V.H. Fernandes, M.M. Jesus, V. Maltcev and J.D. Mitchell;
Automorphisms of partial
endomorphism semigroups,
Submitted.
4 - J. Araújo, M. Kinyon and J. Konieczny;
Minimal paths in the commuting
graphs of semigroups,
European
Journal of Combinatorics 32 (2011), nº. 2, 178-197.
5 - J. Araújo and M. Kinyon;
An elegant 3-basis for inverse
semigroups,
To appear in Semigroup Forum.
6 - J. Araújo and M. Kinyon;
Axioms for unary semigroups via
division operations,
To
appear Communications in Algebra.
7 - J. Araújo and M. Kinyon;
Independent axiom systems for nearlattices,
To appear in Czechoslovak Mathematical
Journal.
8 - J. Araújo and J. Konieczny;
The monoid of holomorphic endomorphisms
of a group and its automorphisms. Semigroups, acts and
categories with applications to graphs,
Math. Stud. (Tartu), Est. Math. Soc.,
Tartu, (2008), nº. 3,7-13.
9 - J. Araújo and J. Konieczny;
Automorphisms of endomorphism monoids of
1-simple free algebras,
Comm. Algebra 37 (2009), nº. 1, 83-94.
10 - J. Araújo and J. Konieczny;
General theorems on automorphisms of semigroups
and their applications,
J. Aust. Math. Soc. 87 (2009), nº. 1, 1-17.
11 - J. Araújo and J. Konieczny;
A method for finding new sets of axioms
for classes of semigroups,
Submitted.
12 - J. Araújo and J. Konieczny;
The largest subsemilattices of the
semigroup of transformations on a finite set,
Submitted.
13 - J. Araújo and A. Malheiro;
On finite complete presentations and
exact decompositions of semigroups,
To appear in Comm. Algebra.
14 - J. Araújo and W. McCune;
Computer solutions of problems in
inverse semigroups,
Comm. Algebra 38 (2010), nº. 3, 1104-1121.
15 - J. Araújo, J.D. Mitchell and C.
Schneider;
Groups that together with any
transformation generate regular semigroups or idempotent generated
semigroups,
Submitted.
16 - J. Araújo and C. Schneider;
The rank of the endomorphism monoid of a
uniform partition,
Semigroup Forum 78 (2009), nº. 3, 498-510.
17 - J. Araújo and F. Wehrung;
Embedding properties of endomorphism
semigroups,
Fund. Math. 202 (2009), nº. 2, 125-146.
18 – M.J.J. Branco and G.M.S. Gomes;
The generalized Szendrei expansion of an
R-unipotent semigroup,
Acta Mathematica Hungarica, Vol. 123, No. 1 (2009), 11-26.
19 - M.J.J. Branco, G.M.S. Gomes and V. Gould;
Extensions and covers for semigroups
whose idempotents form a left regular band,
Semigroup Forum, 81 (2010), 51-70.
Left adequate and left
Ehresmann monoids,
21 - M.J.J. Branco and J.-E. Pin;
Equations defining the polynomial
closure of a lattice of regular languages,
Lecture Notes in Computer Science, 5556
(2009), 115-126.
22 – A. Cain;
Automatic Clifford semigroups,
Submitted.
23 – A. Cain, R. Gray and N. Rǔskuc;
Green index in semigroup theory:
generators, presentations and automatic structures,
Submitted.
24 – C. Carvalho, R. Gray and N. Rǔskuc;
Presentations of inverse semigroups,
their kernels and extensions,
To appear in Journal of the Australian
Mathematical Society.
On the ranks of partial endomorphism
monoids of a uniform partition,
26 - C. Cornock and V. Gould,
Proper restriction semigroups and
partial actions,
Submitted.
Highly transitive subgroups of the
symmetric group on the natural numbers,
Colloq. Math., 112, (2008) 163-173, http://dx.doi.org/10.4064/cm112-1-9.
The maximal subsemigroups of semigroups of
transformations preserving or reversing the orientation on
Submitted.
The cardinal and the idempotent number of
various monoids of transformations on a finite chain,
Bulletin of the Malaysian Mathematical Sciences
Society(2), 34(1), (2011), 79-85.
Endomorphisms of the semigroup of
order-preserving mappings,
31 - V.H. Fernandes and T.M. Quinteiro;
Bilateral semidirect product decompositions of
transformation monoids,
To appear in Semigroup Forum (DOI:
10.1007/s00233-011-9290-1).
On the monoids of transformations that preserve
the order and a uniform partition,
To appear in Communications in Algebra.
The cardinal of various monoids of
transformations that preserve a uniform partition,
To appear in Bulletin of the Malaysian
Mathematical Sciences Society.
On the ranks of certain monoids of
transformations that preserve a uniform partition,
Submitted.
Semigroups of transformations with
restricted range,
36 - V.H. Fernandes and M.V. Volkov;
On divisors of semigroups of
order-preserving mappings of a finite chain,
Semigroup Forum (DOI:
10.1007/s00233-010-9257-7), 81, 2010, 551-554.
The free ample monoid,
International Journal of Algebra and
Computation, 19 (2009), 527-554.
Left adequate and left Ehresmann
monoids II,
Submitted.
Restriction semigroups and inductive
constellations,
Communications in Algebra, 38 (2010), 261-287.
A Švarc-Milnor lemma for monoids acting
by isometric embeddings,
41 – R. Gray, D. Macpherson, C.
Praeger and G. Royle;
Set-homogeneous directed graphs,
Submitted, 43 pages,
arXiv:math.CO/1011.4216.
Finite Complete Rewriting Systems for
Regular Semigroups,
To appear in Theoretical Computer
Science.
Homotopy Bases and Finite Derivation
Type for Subgroups of Monoids,
Submitted, 24 pages,
arXiv:math.GR/0912.1284.
On properties not inherited by monoids
from their Schϋtzenberger groups,
Submitted, 18 pages,
arXiv:math.GR/1012.2049.
Locally-finite connected-homogeneous digraphs,
46 – R. Gray and S.J. Pride;
Homological finiteness properties of
monoids, their ideals and maximal subgroups,
Submitted, 25 pages,
arXiv:math.GR/1003.3227.
47 – R. Gray and N. Rǔskuc;
Generators and relations for
subsemigroups via boundaries in Cayley graphs,
To appear in Journal of Pure and
Applied Algebra.
Maximal subgroups of free idempotent
generated semigroups over the full
transformation monoid,
Submitted, 28 pages,
arXiv:math.GR/1101.1833.
On maximal subgroups of free idempotent
generated semigroups,
50 - A. Malheiro;
On finite semigroup cross-sections and
complete rewriting systems,
Proceedings of the 2008 International
Conference on Theoretical and
Mathematical
Foundations of Computer Science, Orlando Florida, USA., (2008), 59-63.
51 - A. Malheiro;
Finite derivation type for semilattices
of semigroups,
Submitted.
Compatible total orders on bisimple
inverse ω-semigroups,
Semigroup Forum, 81, (2010), 200-216.
One-dimensional tiling semigroups and
factorial languages,
54 - D.B. McAlister and F. Soares,
Tiling semirgoups of n-dimensional
hypercubic tilings,
To appear in Communications in Algebra.
Generating countable sets of surjective
functions,
To appear in Fund. Math..
Algebraic
Aspects of Tiling Semigroups,
Ph.D Thesis, Universidade de Lisboa,
2010.
57 - J. Araújo and M. Kinyon;
On a problem of M. Kambites regarding
abundant semigroups,