Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/13631
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dc.contributor.authorMartins-Ferreira, Nelson-
dc.contributor.authorVan der Linden, Tim-
dc.date.accessioned2010-08-19T13:36:57Z-
dc.date.available2010-08-19T13:36:57Z-
dc.date.issued2009-
dc.identifier.citationPré-Publicações DMUC. 09-47 (2009)en_US
dc.identifier.urihttp://hdl.handle.net/10316/13631-
dc.description.abstractWe show that two known conditions which naturally arose in commutator theory and in the theory of internal crossed modules coincide: every starmultiplicative graph is multiplicative if and only if every two e ective equivalence relations commute as soon as so do their normalisations. This answers a question asked by George Janelidze.en_US
dc.language.isoengen_US
dc.publisherCentro de Matemática da Universidade de Coimbraen_US
dc.rightsopenAccessen_US
dc.subjectCommutatoren_US
dc.subjectInternal re exive graphen_US
dc.subjectStar-multiplicationen_US
dc.subjectGroupoiden_US
dc.subjectProtomodular categoryen_US
dc.subjectSemi-abelian categoryen_US
dc.titleA note on two commutatorsen_US
dc.typepreprinten_US
degois.publication.issue09-47en_US
degois.publication.locationCoimbraen_US
degois.publication.titlePré-Publicações DMUCen_US
item.languageiso639-1en-
item.grantfulltextopen-
item.fulltextCom Texto completo-
Appears in Collections:FCTUC Matemática - Vários
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