×

Martins-Ferreira, Nelson

Author ID: martins-ferreira.nelson Recent zbMATH articles by "Martins-Ferreira, Nelson"
Published as: Martins-Ferreira, Nelson; Martins-Ferreira, N.; Martins Ferreira, Nelson
External Links: MGP · ORCID
Documents Indexed: 65 Publications since 2004, including 1 Book and 17 Additional arXiv Preprints
Reviewing Activity: 4 Reviews
Co-Authors: 23 Co-Authors with 40 Joint Publications
160 Co-Co-Authors

Publications by Year

Citations contained in zbMATH Open

39 Publications have been cited 288 times in 119 Documents Cited by Year
A note on the “Smith is Huq” condition. Zbl 1255.18008
Martins-Ferreira, Nelson; Van der Linden, Tim
36
2012
Semidirect products and crossed modules in monoids with operations. Zbl 1277.18016
Martins-Ferreira, Nelson; Montoli, Andrea; Sobral, Manuela
25
2013
Schreier split epimorphisms in monoids and in semirings. Zbl 1294.18001
Bourn, Dominique; Martins-Ferreira, Nelson; Montoli, Andrea; Sobral, Manuela
23
2013
Monoids and pointed \(S\)-protomodular categories. Zbl 1350.18019
Bourn, Dominique; Martins-Ferreira, Nelson; Montoli, Andrea; Sobral, Manuela
21
2016
Schreier split epimorphisms between monoids. Zbl 1306.20067
Bourn, Dominique; Martins-Ferreira, Nelson; Montoli, Andrea; Sobral, Manuela
19
2014
Weakly Mal’cev categories. Zbl 1166.18005
Martins-Ferreira, N.
19
2008
On the categorical behaviour of preordered groups. Zbl 1468.18012
Clementino, Maria Manuel; Martins-Ferreira, Nelson; Montoli, Andrea
11
2019
On the “Smith is Huq” condition in \(S\)-protomodular categories. Zbl 1360.18013
Martins-Ferreira, Nelson; Montoli, Andrea
9
2017
Categories vs. groupoids via generalised Mal’tsev properties. Zbl 1368.18005
Martins-Ferreira, Nelson; Van der Linden, Tim
9
2014
Further remarks on the “Smith is Huq” condition. Zbl 1327.18016
Martins-Ferreira, Nelson; Van der Linden, Tim
9
2015
On distributive lattices and weakly Mal’tsev categories. Zbl 1264.06020
Martins-Ferreira, Nelson
9
2012
Semidirect products and split short five lemma in normal categories. Zbl 1311.18005
Martins-Ferreira, Nelson; Montoli, Andrea; Sobral, Manuela
8
2014
New wide classes of weakly Mal’tsev categories. Zbl 1329.18006
Martins-Ferreira, Nelson
7
2015
Baer sums of special Schreier extensions of monoids. Zbl 1398.20079
Martins-Ferreira, Nelson; Montoli, Andrea; Sobral, Manuela
7
2016
On categories with semidirect products. Zbl 1264.18004
Martins-Ferreira, Nelson; Sobral, Manuela
7
2012
A characterisation of the “Smith is Huq” condition in the pointed Mal’tsev setting. Zbl 1301.18005
Bourn, Dominique; Martins-Ferreira, Nelson; Van der Linden, Tim
7
2013
Pseudo-categories. Zbl 1125.18005
Martins-Ferreira, N.
6
2006
An observation on \(n\)-permutability. Zbl 1301.08014
Martins-Ferreira, Nelson; Rodelo, Diana; Van der Linden, Tim
6
2014
On the classification of Schreier extensions of monoids with non-abelian kernel. Zbl 1481.20216
Martins-Ferreira, Nelson; Montoli, Andrea; Patchkoria, Alex; Sobral, Manuela
5
2020
Weakly Mal’tsev categories and strong relations. Zbl 1252.18008
Janelidze, Zurab; Martins-Ferreira, Nelson
5
2012
The Nine Lemma and the push forward construction for special Schreier extensions of monoids with operations. Zbl 1467.20097
Martins-Ferreira, Nelson; Montoli, Andrea; Sobral, Manuela
4
2018
A decomposition formula for the weighted commutator. Zbl 1310.18005
Martins-Ferreira, Nelson; Van der Linden, Tim
4
2014
On algebraic and more general categories whose split epimorphisms have underlying product projections. Zbl 1330.18006
Gray, J. R. A.; Martins-Ferreira, N.
3
2015
A unified classification theorem for Mal’tsev-like categories. Zbl 1442.18009
Martins-Ferreira, Nelson
3
2020
Schreier split extensions of preordered monoids. Zbl 1535.06020
Martins-Ferreira, Nelson; Sobral, Manuela
3
2021
Normalized bicategories internal to groups and more general Mal’tsev categories. Zbl 1425.18001
Martins-Ferreira, Nelson
3
2017
On the notion of pseudocategory internal to a category with a 2-cell structure. Zbl 1328.18006
Martins-Ferreira, Nelson
2
2015
Star-multiplicative graphs in pointed protomodular categories. Zbl 1315.18013
Martins-Ferreira, N.
2
2010
The (tetra) category of pseudocategories in an additive 2-category with kernels. Zbl 1206.18005
Martins-Ferreira, N.
2
2010
Weak categories in additive 2-categories with kernels. Zbl 1067.18005
Martins-Ferreira, N.
2
2004
Involution-rigidness – a new exactness property, and its weak version. Zbl 1376.08002
Janelidze, Zurab; Martins-Ferreira, Nelson
2
2017
Internal monoids and groups in the category of commutative cancellative medial magmas. Zbl 1358.08002
Fatelo, Jorge Pereira; Martins-Ferreira, Nelson
2
2016
Cancellative conjugation semigroups and monoids. Zbl 1453.20085
Garrão, A. P.; Martins-Ferreira, N.; Raposo, M.; Sobral, M.
2
2020
What is an ideal a zero-class of? Zbl 1375.18015
Martins-Ferreira, N.; Montoli, A.; Ursini, A.; Van der Linden, T.
1
2017
Crossed modules and Whitehead sequences. Zbl 1360.18002
Martins-Ferreira, Nelson
1
2016
Mobi spaces and geodesics for the \(n\)-sphere. Zbl 1486.08003
Fatelo, Jorge P.; Martins-Ferreira, Nelson
1
2022
On some categorical-algebraic conditions in \(S\)-protomodular categories. Zbl 1388.18016
Martins-Ferreira, Nelson; Montoli, Andrea; Sobral, Manuela
1
2017
Pointed semibiproducts of monoids. Zbl 1514.18014
Martins-Ferreira, Nelson
1
2023
Mobi algebra as an abstraction to the unit interval and its comparison to rings. Zbl 1439.08004
Fatelo, J. P.; Martins-Ferreira, N.
1
2019
Pointed semibiproducts of monoids. Zbl 1514.18014
Martins-Ferreira, Nelson
1
2023
Mobi spaces and geodesics for the \(n\)-sphere. Zbl 1486.08003
Fatelo, Jorge P.; Martins-Ferreira, Nelson
1
2022
Schreier split extensions of preordered monoids. Zbl 1535.06020
Martins-Ferreira, Nelson; Sobral, Manuela
3
2021
On the classification of Schreier extensions of monoids with non-abelian kernel. Zbl 1481.20216
Martins-Ferreira, Nelson; Montoli, Andrea; Patchkoria, Alex; Sobral, Manuela
5
2020
A unified classification theorem for Mal’tsev-like categories. Zbl 1442.18009
Martins-Ferreira, Nelson
3
2020
Cancellative conjugation semigroups and monoids. Zbl 1453.20085
Garrão, A. P.; Martins-Ferreira, N.; Raposo, M.; Sobral, M.
2
2020
On the categorical behaviour of preordered groups. Zbl 1468.18012
Clementino, Maria Manuel; Martins-Ferreira, Nelson; Montoli, Andrea
11
2019
Mobi algebra as an abstraction to the unit interval and its comparison to rings. Zbl 1439.08004
Fatelo, J. P.; Martins-Ferreira, N.
1
2019
The Nine Lemma and the push forward construction for special Schreier extensions of monoids with operations. Zbl 1467.20097
Martins-Ferreira, Nelson; Montoli, Andrea; Sobral, Manuela
4
2018
On the “Smith is Huq” condition in \(S\)-protomodular categories. Zbl 1360.18013
Martins-Ferreira, Nelson; Montoli, Andrea
9
2017
Normalized bicategories internal to groups and more general Mal’tsev categories. Zbl 1425.18001
Martins-Ferreira, Nelson
3
2017
Involution-rigidness – a new exactness property, and its weak version. Zbl 1376.08002
Janelidze, Zurab; Martins-Ferreira, Nelson
2
2017
What is an ideal a zero-class of? Zbl 1375.18015
Martins-Ferreira, N.; Montoli, A.; Ursini, A.; Van der Linden, T.
1
2017
On some categorical-algebraic conditions in \(S\)-protomodular categories. Zbl 1388.18016
Martins-Ferreira, Nelson; Montoli, Andrea; Sobral, Manuela
1
2017
Monoids and pointed \(S\)-protomodular categories. Zbl 1350.18019
Bourn, Dominique; Martins-Ferreira, Nelson; Montoli, Andrea; Sobral, Manuela
21
2016
Baer sums of special Schreier extensions of monoids. Zbl 1398.20079
Martins-Ferreira, Nelson; Montoli, Andrea; Sobral, Manuela
7
2016
Internal monoids and groups in the category of commutative cancellative medial magmas. Zbl 1358.08002
Fatelo, Jorge Pereira; Martins-Ferreira, Nelson
2
2016
Crossed modules and Whitehead sequences. Zbl 1360.18002
Martins-Ferreira, Nelson
1
2016
Further remarks on the “Smith is Huq” condition. Zbl 1327.18016
Martins-Ferreira, Nelson; Van der Linden, Tim
9
2015
New wide classes of weakly Mal’tsev categories. Zbl 1329.18006
Martins-Ferreira, Nelson
7
2015
On algebraic and more general categories whose split epimorphisms have underlying product projections. Zbl 1330.18006
Gray, J. R. A.; Martins-Ferreira, N.
3
2015
On the notion of pseudocategory internal to a category with a 2-cell structure. Zbl 1328.18006
Martins-Ferreira, Nelson
2
2015
Schreier split epimorphisms between monoids. Zbl 1306.20067
Bourn, Dominique; Martins-Ferreira, Nelson; Montoli, Andrea; Sobral, Manuela
19
2014
Categories vs. groupoids via generalised Mal’tsev properties. Zbl 1368.18005
Martins-Ferreira, Nelson; Van der Linden, Tim
9
2014
Semidirect products and split short five lemma in normal categories. Zbl 1311.18005
Martins-Ferreira, Nelson; Montoli, Andrea; Sobral, Manuela
8
2014
An observation on \(n\)-permutability. Zbl 1301.08014
Martins-Ferreira, Nelson; Rodelo, Diana; Van der Linden, Tim
6
2014
A decomposition formula for the weighted commutator. Zbl 1310.18005
Martins-Ferreira, Nelson; Van der Linden, Tim
4
2014
Semidirect products and crossed modules in monoids with operations. Zbl 1277.18016
Martins-Ferreira, Nelson; Montoli, Andrea; Sobral, Manuela
25
2013
Schreier split epimorphisms in monoids and in semirings. Zbl 1294.18001
Bourn, Dominique; Martins-Ferreira, Nelson; Montoli, Andrea; Sobral, Manuela
23
2013
A characterisation of the “Smith is Huq” condition in the pointed Mal’tsev setting. Zbl 1301.18005
Bourn, Dominique; Martins-Ferreira, Nelson; Van der Linden, Tim
7
2013
A note on the “Smith is Huq” condition. Zbl 1255.18008
Martins-Ferreira, Nelson; Van der Linden, Tim
36
2012
On distributive lattices and weakly Mal’tsev categories. Zbl 1264.06020
Martins-Ferreira, Nelson
9
2012
On categories with semidirect products. Zbl 1264.18004
Martins-Ferreira, Nelson; Sobral, Manuela
7
2012
Weakly Mal’tsev categories and strong relations. Zbl 1252.18008
Janelidze, Zurab; Martins-Ferreira, Nelson
5
2012
Star-multiplicative graphs in pointed protomodular categories. Zbl 1315.18013
Martins-Ferreira, N.
2
2010
The (tetra) category of pseudocategories in an additive 2-category with kernels. Zbl 1206.18005
Martins-Ferreira, N.
2
2010
Weakly Mal’cev categories. Zbl 1166.18005
Martins-Ferreira, N.
19
2008
Pseudo-categories. Zbl 1125.18005
Martins-Ferreira, N.
6
2006
Weak categories in additive 2-categories with kernels. Zbl 1067.18005
Martins-Ferreira, N.
2
2004
all top 5

Cited by 81 Authors

31 Martins-Ferreira, Nelson
20 van der Linden, Tim
17 Montoli, Andrea
11 Sobral, Manuela
9 Bourn, Dominique
9 Rodelo, Diana
8 García-Martínez, Xabier
7 Faul, Peter F.
7 Gran, Marino
7 Gray, James Richard Andrew
6 Clementino, Maria Manuel
5 Cigoli, Alan S.
5 Facchini, Alberto
5 Mantovani, Sandra
5 Manuell, Graham R.
5 Metere, Giuseppe
4 Janelidze, Zurab
3 Casas Miras, José Manuel
3 Di Micco, Davide
3 Finocchiaro, Carmelo Antonio
3 Jacqmin, Pierre-Alain
3 Janelidze, George
3 Michel, Aline
3 Patchkoria, Alex
3 Sterck, Florence
3 Vitale, Enrico Maria
2 Everaert, Tomas
2 Fatelo, Jorge Pereira
2 Fernández-Casado, Rafael
2 Hoefnagel, Michael Anton
2 Pompili, Mara
1 Abbad, Omar
1 Baez, John C.
1 Barbosa, Luís Soares
1 Böhm, Gabriella
1 Bovdi, Victor A.
1 Carbone, Lisa J.
1 Clarke, Bryce
1 Courser, Kenny
1 Cruttwell, Geoffrey S. H.
1 Dokuchaev, Mikhailo
1 Donadze, Guram
1 Duvieusart, Arnaud
1 Egner, Nadja
1 Garner, Richard
1 Garrão, A. Paula
1 Goedecke, Julia
1 Henriques, Pedro Rangel
1 Heunen, Chris
1 Janelidze-Gray, Tamar
1 Khmaladze, Emzar
1 Khrypchenko, Mykola S.
1 Ladra González, Manuel
1 Lambert, Michael J.
1 Makuta, Mayumi
1 Márki, László
1 Mesablishvili, Bachuki
1 Nanda, Vidit
1 Naqvi, Yusra
1 Nguefeu, Idriss Tchoffo
1 Oliveira, José Nuno
1 Pinto, Jorge Sousa
1 Pronk, Dorette A.
1 Raposo, Margarida
1 Ruivo, Carla
1 Rump, Wolfgang
1 Shaumbwa, Vaino Tuhafeni
1 Simeu, Cyrille Sandry
1 Siqueira, José
1 Sousa, Lurdes
1 Stoffel, Augusto
1 Szendrei, Mária B.
1 Szyld, Martín
1 Temel, Sedat
1 Tsishyn, M.
1 Tull, Sean
1 Ursini, Aldo
1 Veldsman, Stefan
1 Vienne, Corentin
1 Weighill, Thomas
1 Zhao, Xiaojuan

Citations by Year