Publication
What is an ideal a zero-class of?
| dc.contributor.author | Martins-Ferreira, Nelson | |
| dc.contributor.author | Montoli, A. | |
| dc.contributor.author | Ursini, A. | |
| dc.contributor.author | Linden, T. Van der | |
| dc.date.accessioned | 2025-09-10T10:06:13Z | |
| dc.date.available | 2025-09-10T10:06:13Z | |
| dc.date.issued | 2017-03 | |
| dc.description.abstract | We characterise, in pointed regular categories, the ideals as the zero-classes of surjective relations. Moreover, we study a variation of the Smith is Huq condition: two surjective left split relations commute as soon as their zero-classes commute. | eng |
| dc.description.sponsorship | This work was partially supported by the Centro de Matemática da Universidade de Coimbra (CMUC), funded by the European Regional Development Fund through the program COMPETE and by the Portuguese Government through the FCT–Fundação para a Ciência e a Tecnologia under the projects PTDC/MAT/120222/2010, PTDC/EME-CRO/120585/2010 and PEst-C/MAT/UI0324/2013 and the grants number SFRH/BPD/43216/2008 and SFRH/BPD/69661/2010, and also by ESTG and CDRSP from the Polytechnic Institute of Leiria. | |
| dc.identifier.citation | Martins-Ferreira, Nelson & Montoli, A. & Ursini, Aldo & Van der Linden, Tim. (2016). What is an ideal a zero-class of?. Journal of Algebra and Its Applications. 16. 10.1142/S0219498817500499 | |
| dc.identifier.doi | 10.1142/s0219498817500499 | |
| dc.identifier.issn | 0219-4988 | |
| dc.identifier.issn | 1793-6829 | |
| dc.identifier.uri | http://hdl.handle.net/10400.8/14031 | |
| dc.language.iso | eng | |
| dc.peerreviewed | yes | |
| dc.publisher | World Scientific Pub Co Pte Lt | |
| dc.relation | Categorical Methods in Non Abelian Algebra | |
| dc.relation | BioFab Toolbox | |
| dc.relation | DESCENT OF INTERNAL CATEGORIES RELATIVE TO SPLIT EPIS | |
| dc.relation | SFRH/BPD/43216/2008 | |
| dc.relation | SFRH/BPD/69661/2010 | |
| dc.relation.hasversion | https://www.worldscientific.com/worldscinet/jaa | |
| dc.relation.ispartof | Journal of Algebra and Its Applications | |
| dc.rights.uri | N/A | |
| dc.title | What is an ideal a zero-class of? | eng |
| dc.type | journal article | |
| dspace.entity.type | Publication | |
| oaire.awardTitle | Categorical Methods in Non Abelian Algebra | |
| oaire.awardTitle | BioFab Toolbox | |
| oaire.awardTitle | DESCENT OF INTERNAL CATEGORIES RELATIVE TO SPLIT EPIS | |
| oaire.awardURI | http://hdl.handle.net/10400.8/13336 | |
| oaire.awardURI | http://hdl.handle.net/10400.8/13337 | |
| oaire.awardURI | http://hdl.handle.net/10400.8/13633 | |
| oaire.citation.endPage | 14 | |
| oaire.citation.issue | 03 | |
| oaire.citation.startPage | 1 | |
| oaire.citation.title | Journal of Algebra and Its Applications | |
| oaire.citation.volume | 16 | |
| oaire.fundingStream | 5876-PPCDTI | |
| oaire.fundingStream | 5876-PPCDTI | |
| oaire.fundingStream | FARH | |
| oaire.version | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |
| person.familyName | Martins-Ferreira | |
| person.givenName | Nelson | |
| person.identifier | 485301 | |
| person.identifier.ciencia-id | B115-B65E-24AA | |
| person.identifier.orcid | 0000-0002-4199-7367 | |
| person.identifier.rid | N-1699-2013 | |
| person.identifier.scopus-author-id | 24598020700 | |
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