Algoritmi | User | Manuel Augusto Fernandes Delgado
Manuel Augusto Fernandes Delgado
Manuel Augusto Fernandes Delgado
Personal Email
Orcid
0000-0002-1935-9908Researcher ID
FCT Public Key
Ciência ID
221F-A77F-4067Google Scholar
Publications (44)
Kunz languages for numerical semigroups are context sensitive
Involve, a Journal of Mathematics
2026 | journal-article
Algorithms for numerical semigroups with fixed maximum primitive
2025 | preprint
A verification of Wilf's conjecture up to genus 100
Journal of Algebra
2025 | journal-article
ON COUNTING NUMERICAL SEMIGROUPS BY MAXIMUM PRIMITIVE AND WILF’S CONJECTURE
arXiv
2025 | other
NumericalSgps, a GAP package to compute with numerical semigroups (Version 1.4.0)
2024 | software
From a naive question to a long-standing conjecture
2024 | online-resource
CoreFreeSub - A GAP Package for calculating the core-free subgroups and their faithful transitive permutation representation.
2024 | software
KUNZ LANGUAGES FOR NUMERICAL SEMIGROUPS ARE CONTEXT SENSITIVE
arXiv
2023 | other
Algorithms for generalized numerical semigroups
JOURNAL OF ALGEBRA AND ITS APPLICATIONS
2021 | journal-article
Conjecture of Wilf: A Survey
Springer INdAM Series
2020 | book-chapter
Trimming The Numerical Semigroups Tree to Probe Wilf’s Conjecture to Higher Genus
arXiv
2019 | other
On a question of Eliahou and a conjecture of Wilf
MATHEMATISCHE ZEITSCHRIFT
2018 | journal-article
Numerical semigroups with a given set of pseudo-Frobenius numbers
LMS JOURNAL OF COMPUTATION AND MATHEMATICS
2016 | journal-article
numericalsgps, a GAP package for numerical semigroups
ACM COMMUNICATIONS IN COMPUTER ALGEBRA
2016 | journal-article
On the Weight Hierarchy of Codes Coming From Semigroups With Two Generators
IEEE TRANSACTIONS ON INFORMATION THEORY
2014 | journal-article
An interview with the scientific committee members of the Iberian Meeting on Numerical Semigroups -- Vila Real 2012
Centro Internacional de Matemática (CIM) Bulletin
2013 | newsletter-article
Numerical semigroups problem list
Bulletin of the International Center for Mathematics
2013 | newsletter-article
ON THE GENERALIZED FENG-RAO NUMBERS OF NUMERICAL SEMIGROUPS GENERATED BY INTERVALS
MATHEMATICS OF COMPUTATION
2013 | journal-article
Rees quotients of numerical semigroups
PORTUGALIAE MATHEMATICA
2013 | journal-article
Dinâmica do desdobramento de sólidos geométricos com recurso ao GeoGebra 2D
Boletim da Sociedade Portuguesa de Matemática, Atas do Encontro Nacional da SPM, 2012
2012 | newsletter-article
Proceedings of the International Conference on Semigroups and Related Topics
International Journal of Algebra and Computation
2011 | journal-issue
ON ITERATED MAL'CEV PRODUCTS WITH A PSEUDOVARIETY OF GROUPS
INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
2011 | journal-article
PREFACE
INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
2011 | other
On the relative solvability of certain inverse monoids
SEMIGROUP FORUM
2010 | journal-article
MODULAR DIOPHANTINE INEQUALITIES AND ROTATIONS OF NUMERICAL SEMIGROUPS
JOURNAL OF THE AUSTRALIAN MATHEMATICAL SOCIETY
2008 | journal-article
Systems of proportionally modular Diophantine inequalities
SEMIGROUP FORUM
2008 | journal-article
SOLVING SYSTEMS OF EQUATIONS MODULO PSEUDOVARIETIES OF ABELIAN GROUPS AND HYPERDECIDABILITY
Semigroups and Formal Languages
2007 | conference-paper
Computing relative abelian kernels of finite monoids
JOURNAL OF ALGEBRA
2006 | journal-article
On the GAP package sgpviz
MATHEMATICAL SOFTWARE-ICMS 2006, PROCEEDINGS
2006 | journal-article
Relative Abelian kernels of some classes of transformation monoids
BULLETIN OF THE AUSTRALIAN MATHEMATICAL SOCIETY
2006 | journal-article
Approximation to the smallest regular expression for a given regular language
IMPLEMENTATION AND APPLICATION OF AUTOMATA
2005 | journal-article
Solvable monoids with commuting idempotents
INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
2005 | journal-article
Tameness of the pseudovariety of Aebelian groups
INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
2005 | journal-article
Abelian kernels of monoids of order-preserving maps and of some of its extensions
SEMIGROUP FORUM
2004 | journal-article
Abelian kernels, solvable monoids and the abelian kernel length of a finite monoid
SEMIGROUPS AND LANGUAGES
2004 | conference-paper
On semigroups whose idempotent-generated subsemigroup is aperiodic
INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
2004 | journal-article
A polynomial time algorithm to compute the Abelian kernel of a finite monoid
SEMIGROUP FORUM
2003 | journal-article
Combinatorial group theory, inverse monoids, automata, and global semigroup theory
INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
2002 | journal-article
Commutative images of rational languages and the Abelian kernel of a monoid
RAIRO-INFORMATIQUE THEORIQUE ET APPLICATIONS-THEORETICAL INFORMATICS AND APPLICATIONS
2001 | journal-article
On the hyperdecidability of pseudovarieties of groups
INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
2001 | journal-article
Sur certains systèmes d'équations avec contraintes dans un groupe libre - addenda
Portugaliae Mathematica
2001 | journal-article
Abelian kernels of some monoids of injective partial transformations and an application
SEMIGROUP FORUM
2000 | journal-article
Sur certains systèmes d'équations avec contraintes dans un groupe libre
Portugaliae Mathematica
1999 | journal-article
Abelian pointlikes of a monoid
SEMIGROUP FORUM
1998 | journal-article
Kunz languages for numerical semigroups are context sensitive
Involve, a Journal of Mathematics
2026 | journal-article
Algorithms for numerical semigroups with fixed maximum primitive
2025 | preprint
A verification of Wilf's conjecture up to genus 100
Journal of Algebra
2025 | journal-article
ON COUNTING NUMERICAL SEMIGROUPS BY MAXIMUM PRIMITIVE AND WILF’S CONJECTURE
arXiv
2025 | other
NumericalSgps, a GAP package to compute with numerical semigroups (Version 1.4.0)
2024 | software
From a naive question to a long-standing conjecture
2024 | online-resource
CoreFreeSub - A GAP Package for calculating the core-free subgroups and their faithful transitive permutation representation.
2024 | software
KUNZ LANGUAGES FOR NUMERICAL SEMIGROUPS ARE CONTEXT SENSITIVE
arXiv
2023 | other
Algorithms for generalized numerical semigroups
JOURNAL OF ALGEBRA AND ITS APPLICATIONS
2021 | journal-article
Conjecture of Wilf: A Survey
Springer INdAM Series
2020 | book-chapter
Trimming The Numerical Semigroups Tree to Probe Wilf’s Conjecture to Higher Genus
arXiv
2019 | other
On a question of Eliahou and a conjecture of Wilf
MATHEMATISCHE ZEITSCHRIFT
2018 | journal-article
Numerical semigroups with a given set of pseudo-Frobenius numbers
LMS JOURNAL OF COMPUTATION AND MATHEMATICS
2016 | journal-article
numericalsgps, a GAP package for numerical semigroups
ACM COMMUNICATIONS IN COMPUTER ALGEBRA
2016 | journal-article
On the Weight Hierarchy of Codes Coming From Semigroups With Two Generators
IEEE TRANSACTIONS ON INFORMATION THEORY
2014 | journal-article
An interview with the scientific committee members of the Iberian Meeting on Numerical Semigroups -- Vila Real 2012
Centro Internacional de Matemática (CIM) Bulletin
2013 | newsletter-article
Numerical semigroups problem list
Bulletin of the International Center for Mathematics
2013 | newsletter-article
ON THE GENERALIZED FENG-RAO NUMBERS OF NUMERICAL SEMIGROUPS GENERATED BY INTERVALS
MATHEMATICS OF COMPUTATION
2013 | journal-article
Rees quotients of numerical semigroups
PORTUGALIAE MATHEMATICA
2013 | journal-article
Dinâmica do desdobramento de sólidos geométricos com recurso ao GeoGebra 2D
Boletim da Sociedade Portuguesa de Matemática, Atas do Encontro Nacional da SPM, 2012
2012 | newsletter-article
Proceedings of the International Conference on Semigroups and Related Topics
International Journal of Algebra and Computation
2011 | journal-issue
ON ITERATED MAL'CEV PRODUCTS WITH A PSEUDOVARIETY OF GROUPS
INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
2011 | journal-article
PREFACE
INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
2011 | other
On the relative solvability of certain inverse monoids
SEMIGROUP FORUM
2010 | journal-article
MODULAR DIOPHANTINE INEQUALITIES AND ROTATIONS OF NUMERICAL SEMIGROUPS
JOURNAL OF THE AUSTRALIAN MATHEMATICAL SOCIETY
2008 | journal-article
Systems of proportionally modular Diophantine inequalities
SEMIGROUP FORUM
2008 | journal-article
SOLVING SYSTEMS OF EQUATIONS MODULO PSEUDOVARIETIES OF ABELIAN GROUPS AND HYPERDECIDABILITY
Semigroups and Formal Languages
2007 | conference-paper
Computing relative abelian kernels of finite monoids
JOURNAL OF ALGEBRA
2006 | journal-article
On the GAP package sgpviz
MATHEMATICAL SOFTWARE-ICMS 2006, PROCEEDINGS
2006 | journal-article
Relative Abelian kernels of some classes of transformation monoids
BULLETIN OF THE AUSTRALIAN MATHEMATICAL SOCIETY
2006 | journal-article
Approximation to the smallest regular expression for a given regular language
IMPLEMENTATION AND APPLICATION OF AUTOMATA
2005 | journal-article
Solvable monoids with commuting idempotents
INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
2005 | journal-article
Tameness of the pseudovariety of Aebelian groups
INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
2005 | journal-article
Abelian kernels of monoids of order-preserving maps and of some of its extensions
SEMIGROUP FORUM
2004 | journal-article
Abelian kernels, solvable monoids and the abelian kernel length of a finite monoid
SEMIGROUPS AND LANGUAGES
2004 | conference-paper
On semigroups whose idempotent-generated subsemigroup is aperiodic
INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
2004 | journal-article
A polynomial time algorithm to compute the Abelian kernel of a finite monoid
SEMIGROUP FORUM
2003 | journal-article
Combinatorial group theory, inverse monoids, automata, and global semigroup theory
INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
2002 | journal-article
Commutative images of rational languages and the Abelian kernel of a monoid
RAIRO-INFORMATIQUE THEORIQUE ET APPLICATIONS-THEORETICAL INFORMATICS AND APPLICATIONS
2001 | journal-article
On the hyperdecidability of pseudovarieties of groups
INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
2001 | journal-article
Sur certains systèmes d'équations avec contraintes dans un groupe libre - addenda
Portugaliae Mathematica
2001 | journal-article
Abelian kernels of some monoids of injective partial transformations and an application
SEMIGROUP FORUM
2000 | journal-article
Sur certains systèmes d'équations avec contraintes dans un groupe libre
Portugaliae Mathematica
1999 | journal-article
Abelian pointlikes of a monoid
SEMIGROUP FORUM
1998 | journal-article




