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Publications for gmcunha
(94)
2024
Classes of semigroups, congruences and languages
(2024)
Monteiro, Ana Catarina Cristino
Branco, Mário João de Jesus
Cunha, Gracinda Maria dos Santos Gomes Moreira da
Academic documents
2023
Formations of orthodox semigroups
(2023)
Gracinda M. S. Gomes
Ana-Catarina C. Monteiro
Journal articles
2022
Formations of inverse semigroups
(2022)
Gracinda M. S. Gomes
Isabel J. Nobre
Journal articles
2021
ω#-Algebras
(2021)
Bernardo H. Fernandes
Gracinda M. S. Gomes
Journal articles
2021
A topological shuttle between inequalities and pseudoinequalities
(2021)
Bernardo H. Fernandes
Gracinda M. S. Gomes
Journal articles
2021
Anéis e Corpos - uma introdução (2021)
(2021)
Gracinda M. S. Gomes
Books
2020
On formations of monoids
(2020)
Mário J.J. Branco
Gracinda M. S. Gomes
Jean-Éric Pin
Xaro Soler-Escrivà
Journal articles
2019
On the semigroup rank of a group
(2019)
Mário J. J. Branco
Gracinda M. S. Gomes
Pedro V. Silva
Journal articles
2019
Formações e Classes de Fitting
(2019)
Isabel José Capelo Ferreira Nobre
Gomes, Gracinda M. S.
Academic documents
2018
Ehresmann monoids: Adequacy and expansions
(2018)
Mário J.J. Branco
Gracinda M. S. Gomes
Victoria Gould
Yanhui Wang
Journal articles
2018
Congruences on direct products of transformation and matrix monoids
(2018)
João Araújo
Wolfram Bentz
Gracinda M. S. Gomes
Journal articles
2017
Takahasi semigroups
(2017)
Mário J. J. Branco
Gracinda M. S. Gomes
Pedro V. Silva
Journal articles
2015
Ehresmann monoids
(2015)
Mário J.J. Branco
Gracinda M. S. Gomes
Victoria Gould
Journal articles
2015
The semigroup ring of a restriction semigroup with an inverse skeleton
(2015)
Gomes, Gracinda M. S.
Santa-Clara, Catarina
Soares, Filipa
Journal articles
2014
John Macintosh Howie: work and legacy
(2014)
Gracinda M. S. Gomes
Nik Ruškuc
Journal articles
2012
Sobre expansões de Malcev de semigrupos finitos
(2012)
Matos, Joana Mendonça Fonseca Marques de
Branco, Mário João de Jesus
Gomes, Gracinda M. S.
Academic documents
2012
Sobre Expansões de Malcev de semigrupos finitos
(2012)
Matos, Joana Mendonça de
Branco, Mário João de Jesus
Gomes, Gracinda M. S.
Academic documents
2011
Left adequate and left Ehresmann monoids II
(2011)
Gracinda M. S. Gomes
Victoria Gould
Journal articles
2011
Left adequate and left Ehresmann monoids
(2011)
Mário J. J. Branco
Gracinda M. S. Gomes
Victoria Gould
Journal articles
2011
Anéis e Corpos - uma introdução
(2011)
Gracinda M. S. Gomes
Books
2011
The cardinal and the idempotent number of various monoids of transformations on a finite chain
(2011)
Vítor H. Fernandes
Gracinda M. S. Gomes
Manuel M. Jesus
Journal articles
2010
Extensions and covers for semigroups whose idempotents form a left regular band
(2010)
Mário J. J. Branco
Gracinda M. S. Gomes
Victoria Gould
Journal articles
2010
Algebraic aspects of tiling semigrupos
(2010)
Almeida, Filipa Soares de
Gomes, Gracinda M. S.
McAlister, Donald B.
Academic documents
2010
Algebraic Aspects of Tiling Semigroups
(2010)
Soares, Filipa
Cunha, Gracinda
McAlister, Donald B.
Academic documents
2009
Membership of A∨G for classes of finite weakly abundant semigroups
(2009)
John Fountain
Gracinda M. S. Gomes
Victoria Gould
Journal articles
2009
The free ample monoid
(2009)
John Fountain
Gracinda M. S. Gomes
Victoria Gould
Journal articles
2009
The generalized Szendrei expansion of an R-unipotent semigroup
(2009)
Mário J. J. Branco
Gracinda M. S. Gomes
Journal articles
2009
Congruences on monoids of transformations preserving the orientation on a finite chain
(2009)
Vítor H. Fernandes
Gracinda M. S. Gomes
Manuel M. Jesus
Journal articles
2009
Semigrupos factorizáveis : os casos inverso e ortodoxo
(2009)
Moura, Núria Andreia Gomes Gonçalves Barbosa
Gomes, Gracinda M. S.
Academic documents
2008
Fundamental semigroups having a band of idempotents
(2008)
Gracinda M. S. Gomes
Victoria Gould
Journal articles
2008
Pseudovariedades de grupos e variedades de linguagens associadas
(2008)
Castro, Eliana
Gomes, Gracinda M. S.
Academic documents
2007
Almost Factorizable Weakly Ample Semigroups
(2007)
Gracinda M. S. Gomes
Mária B. Szendrei
Journal articles
2007
Semigroups and Formal Languages
(2007)
André, Jorge M. et al., with 6 authors including:
Branco, Mário J. J.
Gomes, Gracinda, M. S.
Books
2007
Even Covers for Left Ample Semigroups
(2007)
Gracinda M. S. Gomes
Maria B. Szendrei
Journal articles
2006
Presentations of the Schützenberger Product of n Groups
(2006)
Gracinda M. S. Gomes
Helena Sezinando
Jean-Eric Pin
Journal articles
2006
The Generalized Prefix Expansion of a Weakly Left Ample Semigroup
(2006)
Gracinda M. S. Gomes
Journal articles
2006
Finite abundant semigroups in which the idempotents form a subsemigroup
(2006)
John Fountain
Gracinda M. S. Gomes
Journal articles
2006
Monóides de transformações sobre uma cadeia finita
(2006)
Jesus, Manuel Messias Rocha de
Gomes, Gracinda M. S.
Fernandes, Vítor Hugo
Academic documents
2006
Proper covers of ample monoids
(2006)
Fountain, J.B.
Gracinda M. S. Gomes
Journal articles
2006
Finiteness conditions of semigroup presentations
(2006)
Malheiro, António
Gomes, Gracinda M. S.
Academic documents
2005
Proper extensions of weakly left ample semigroups
(2005)
Gracinda M. S. Gomes
Journal articles
2005
Congruences on monoids of order-preserving or order-reversing transformations on a finite chain
(2005)
Vítor H. Fernandes
Gracinda M. S. Gomes
Manuel M. Jesus
Journal articles
2005
Presentations for some monoids of partial transformations on a finite chain
(2005)
Vítor H. Fernandes
Gracinda M. S. Gomes
Manuel M. Jesus
Journal articles
2005
Expanções de semigrupos
(2005)
Matos, Joana Mendonça Fonseca Marques de
Gomes, Gracinda M. S.
Academic documents
2005
Semigrupos de pavimentações
(2005)
Almeida, Filipa Soares de
Gomes, Gracinda M. S.
Academic documents
2004
An application of a Theorem of Ash to finite covers
(2004)
Karl Auinger
Gracinda M. S. Gomes
Victoria Gould
Benjamin Steinberg
Journal articles
2004
Semigroups and Languages
(2004)
Araújo, Isabel M.
Branco, Mário J. J.
Fernandes, Vítor H.
Gomes, Gracinda M. S.
Books
2004
Presentations for Some Monoids of Injective Partial Transformations on a Finite Chain
(2004)
Vítor H. Fernandes
Gracinda M. S. Gomes
Manuel M. Jesus
Journal articles
2002
Semigroups, Algorithms, Automata and Languages
(2002)
Gracinda M. S. Gomes
J.-É. Pin
Pedro V. Silva
Books
2002
Finite Proper covers in a class of finite semigroups with commuting idempotents
(2002)
Gracinda M. S. Gomes
Victoria Gould
Journal articles
2002
On efficiency in determining the structure of finite semigroups
(2002)
André, Jorge M.
Gomes, Gracinda M. S.
Academic documents
2001
Fundamental Ehresmann semigroups
(2001)
Gracinda M. S. Gomes
V. Gould
Journal articles
2001
On generators and relations for unions of semigroups
(2001)
Isabel M. Araújo
Mário J. J. Branco
Vitor H. Fernandes
Gracinda M. S. Gomes
N. Ruškuc
Journal articles
2001
Apresentações e sistemas de reescrita em semigrupos
(2001)
Malheiro, António
Gomes, Gracinda M. S.
Academic documents
2000
On a Class of Lattice Ordered Inverse Semigroups
(2000)
Gracinda M. S. Gomes
Emilia Giraldes
Donald B. McAlister
Journal articles
2000
Primitive inverse congruences on categorical semigroups
(2000)
John Fountain
Gracinda M. S. Gomes
Journal articles
2000
Graph expansions of unipotent monoids
(2000)
Gracinda M. S. Gomes
Victoria Gould
Journal articles
1999
Proper weakly left ample semigroups
(1999)
Gracinda M. S. Gomes
Victoria Gould
Journal articles
1999
A Munn Type Representation for a Class of E-Semiadequate Semigroups
(1999)
John Fountain
Gracinda M. S. Gomes
Victoria Gould
Journal articles
1999
Enlargements, semiabundancy and unipotent monoids
(1999)
John Fountain
Gracinda M. S. Gomes
Victoria Gould
Journal articles
1999
E-Variedades de semigrupos regulares
(1999)
Oliveira, Luís António Teixeira de
Gomes, Gracinda M. S.
Academic documents
1998
Idempotent pure extensions by inverse semigroups via quivers
(1998)
Gracinda M. S. Gomes
Mária B. Szendrei
Journal articles
1998
Conjuntos Biordenados
(1998)
Jesus, Manuel M.
Gomes, Gracinda M. S.
Academic documents
1998
Semigroups with zero whose idempotents form a subsemigroup
(1998)
Gracinda M. S. Gomes
John M. Howie
Journal articles
1997
Semi-grupos quase-tipo-A à esquerda
(1997)
Almeida, Paulo José Fernandes de
Gomes, Gracinda M. S.
Academic documents
1996
Semigroups, Automata and Languages
(1996)
Jorge Almeida
Gracinda M. S. Gomes
Pedro V. Silva
Books
1996
Extensões regulares de semireticulados por semigrupos de Clifford
(1996)
André, Jorge Manuel Leocádio
Gomes, Gracinda M. S.
Academic documents
1996
A P-theorem for inverse semigroups with zero
(1996)
Gracinda M. S. Gomes
John M. Howie
Journal articles
1995
Idempotent endomorphisms of an independence algebra of finite rank
(1995)
Gracinda M. S. Gomes
John M. Howie
Journal articles
1994
Mergulhos e Coberturas de Semigrupos E-unitários
(1994)
Araújo, João
Gomes, Gracinda M. S.
Academic documents
1994
Proper left type-A covers
(1994)
John Fountain
Gracinda M. S. Gomes
Journal articles
1994
Álgebras independentes
(1994)
Alberto, Luisa Maria Pinheiro Folgado Fernandes
Gomes, Gracinda M. S.
Academic documents
1993
A characterization of the group congruences on a semigroup
(1993)
Gracinda M. S. Gomes
Journal articles
1993
Proper left type-A monoids revisited
(1993)
John Fountain
Gracinda M. S. Gomes
Journal articles
1993
Classificação e decomposição de morfismos em semigrupos
(1993)
Fernandes, Vítor Hugo
Gomes, Gracinda M. S.
Academic documents
1993
Teorema de Knast
(1993)
Colaço, Ana Paula da Cruz Escada
Gomes, Gracinda M. S.
Academic documents
1992
On the ranks of certain semigroups of order-preserving transformations
(1992)
Gracinda M. S. Gomes
John M. Howie
Journal articles
1992
Left proper E-dense monoids
(1992)
John Fountain
Gracinda M. S. Gomes
Journal articles
1992
Group congruences on eventually inverse semigroup
(1992)
Gracinda M. S. Gomes
Journal articles
1992
Bivariedades de semigrupos ortodoxos
(1992)
Branco, Mário João de Jesus
Gomes, Gracinda M. S.
Academic documents
1990
The Szendrei expansion of a semigroup
(1990)
John Fountain
Gracinda M. S. Gomes
Journal articles
1990
Semigrupos unitários-E
(1990)
Oliveira, Ana Maria Abreu Mendes de
Gomes, Gracinda M. S.
Academic documents
1990
Semigrupos inversos semimodulares, modulares e distributivos
(1990)
Lima, Lucinda Maria de Carvalho
Gomes, Gracinda M. S.
Academic documents
1988
Orthodox congruences on regular semigroups
(1988)
Gracinda M. S. Gomes
Journal articles
1988
Linguagens disjuntivas
(1988)
Sezinando, Helena Maria da Encarnação
Cunha, Gracinda M. S. Gomes Moreira da
Howie, John M.
Academic documents
1988
O teorema de Rees
(1988)
Sezinando, Helena Maria da Encarnação
Cunha, Gracinda M. S. Gomes Moreira da
Howie, John M.
Academic documents
1987
Nilpotents in finite symmetric inverse semigroups
(1987)
Gracinda M. S. Gomes
John M. Howie
Journal articles
1987
On the ranks of certain finite semigroups of transformations
(1987)
Gracinda M. S. Gomes
John M. Howie
Journal articles
1986
Some results on congruences on R-unipotent semigroups
(1986)
Gracinda M. S. Gomes
Journal articles
1986
The lattice of R-unipotent congruences on a regular semigroup
(1986)
Gracinda M. S. Gomes
Journal articles
1985
R-unipotent congruences on regular semigroups
(1985)
Gracinda M. S. Gomes
Journal articles
1983
On left quasinormal orthodox semigroups
(1983)
Gracinda M. S. Gomes
Journal articles
1983
On the compatibility of the natural order on a regular semigroup
(1983)
T. S. Blyth
Gracinda M. S. Gomes
Journal articles
1983
Aspects of order and congruence relations on regular semigroups
(1983)
Gracinda M. S. Gomes
Academic documents