Browsing by Author Martins, E. A.

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Showing results 1 to 18 of 18
Issue DateTitleAuthor(s)TypeAccess Type
2011Bounds for the signless laplacian energyAbreu, N.; Cardoso, Domingos M.; Gutman, I.; Martins, E. A.; Robbiano, M.articlerestrictedAccess
2010Energy of line graphsGutman, I.; Robbiano, M.; Martins, E. A.; Cardoso, Domingos M.; Medina, L.; Rojo, O.articlerestrictedAccess
2010Extending a theorem by Fiedler and applications to graph energyRobbiano, M.; Martins, E. A.; Gutman, I.articleopenAccess
2009Face counting on an Acyclic Birkhoff polytopeCosta, L.; Fonseca, C. M. da; Martins, E. A.articlerestrictedAccess
Apr-2012Faces of faces of the acyclic Birkhoff polytopeCosta, L.; Martins, E. A.articlerestrictedAccess
2010Faces of faces of the tridiagonal Birkhoff polytopeCosta, L.; Martins, E. A.articlerestrictedAccess
2011A generalization of fiedler's lemma and some applicationsCardoso, Domingos M.; Gutman, I.; Martins, E. A.; Robbiano, M.articlerestrictedAccess
2001On similarity invariants of matrix commutatorsFurtado, S.; Martins, E. A.; Silva, F. C.articlerestrictedAccess
2005On similarity invariants of matrix commutators and Jordan productsFurtado, S.; Martins, E. A.; Silva, F. C.articlerestrictedAccess
2003On the eigenvalues of Jordan productsMartins, E. A.; Silva, F. C.articlerestrictedAccess
2003On the invariant polynomials of Jordan productsMartins, E. A.; Silva, F. C.articlerestrictedAccess
1997On the number of invariant polynomials of matrix commutatorsMartins, E. A.; Silva, F. C.articleopenAccess
2008On the spectra of some graphs like weighted rooted treesFernandes, R.; Gomes, H.; Martins, E. A.articlerestrictedAccess
6-Mar-2013Spectra of graphs obtained by a generalization of the join graph operationCardoso, Domingos M.; Freitas, M. A. A. de; Martins, E. A.; Robbiano, M.articlerestrictedAccess
2011Spectra of weighted rooted graphs having prescribed subgraphs at some levelsRojo, O.; Robbiano, M.; Cardoso, D. M.; Martins, E. A.articleopenAccess
2008The diameter of the acyclic Birkhoff polytopeCosta, L.; Fonseca, C. M. da; Martins, E. A.articlerestrictedAccess
2009The number of faces of the tridiagonal Birkhoff polytopeCosta, L.; Fonseca, C. M. da; Martins, E. A.articlerestrictedAccess
2010Upper bounds on the Laplacian energy of some graphsRobbiano, M.; Martins, E. A.; Jiménez, R.; Martín, B. S.articleopenAccess