Algoritmi | User | Manuel Augusto Fernandes Delgado

Manuel Augusto Fernandes Delgado

Manuel Augusto Fernandes Delgado

At LASI

Member of the CMUP R&D Unit

Academic Degree

Current Position

at

Personal Webpage

Personal Email

Orcid

0000-0002-1935-9908

Researcher ID

FCT Public Key

Ciência ID

221F-A77F-4067

Google Scholar

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

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