Nelson Martins-Ferreira

16 papers Journal 16
YearRankTypeTitle / Venue / Authors
2023 J jnl
On the Structure of an Internal Groupoid.
Appl. Categorical Struct.
Nelson Martins-Ferreira
2022 J jnl
On the Structure of Topological Spaces.
Axioms
Nelson Martins-Ferreira
2022 J jnl
The third cohomology group of a monoid and admissible abstract kernels.
Int. J. Algebra Comput.
Nelson Martins-Ferreira, Andrea Montoli, Alex Patchkoria, Manuela Sobral
2021 J jnl
Schreier split extensions of preordered monoids.
J. Log. Algebraic Methods Program.
Nelson Martins-Ferreira, Manuela Sobral
2020 J jnl
A Unified Classification Theorem for Mal'tsev-Like Categories.
Appl. Categorical Struct.
Nelson Martins-Ferreira
2017 J jnl
Normalized Bicategories Internal to Groups and more General Mal'tsev Categories.
Appl. Categorical Struct.
Nelson Martins-Ferreira
2017 J jnl
On some categorical-algebraic conditions in S-protomodular categories.
Log. Methods Comput. Sci.
Nelson Martins-Ferreira, Andrea Montoli, Manuela Sobral
2017 J jnl
On the "Smith is Huq" Condition in S-Protomodular Categories.
Appl. Categorical Struct.
Nelson Martins-Ferreira, Andrea Montoli
2015 J jnl
Further Remarks on the "Smith is Huq" Condition.
Appl. Categorical Struct.
Nelson Martins-Ferreira, Tim Van der Linden
2015 J jnl
New Wide Classes of Weakly Mal'tsev Categories.
Appl. Categorical Struct.
Nelson Martins-Ferreira
2015 J jnl
On Algebraic and More General Categories Whose Split Epimorphisms Have Underlying Product Projections.
Appl. Categorical Struct.
James Richard Andrew Gray, Nelson Martins-Ferreira
2014 J jnl
A Decomposition Formula for the Weighted Commutator.
Appl. Categorical Struct.
Nelson Martins-Ferreira, Tim Van der Linden
2014 J jnl
A procedure for computing the symmetric difference of regions defined by polygonal curves.
J. Symb. Comput.
Miguel Belbut Gaspar, Nelson Martins-Ferreira
2014 J jnl
Semidirect Products and Split Short Five Lemma in Normal Categories.
Appl. Categorical Struct.
Nelson Martins-Ferreira, Andrea Montoli, Manuela Sobral
2012 J jnl
A Note on the "Smith is Huq" Condition.
Appl. Categorical Struct.
Nelson Martins-Ferreira, Tim Van der Linden
2010 J jnl
The (Tetra) Category of Pseudocategories in an Additive 2-category with Kernels.
Appl. Categorical Struct.
Nelson Martins-Ferreira