| Issue Date | Title | Author(s) | Type | Access |
| 2009 | The change in eigenvalue multiplicity associated with perturbation of a diagonal entry of the matrix | Johnson, Charles R. ; Duarte, António Leal ; Saiago, Carlos M. | preprint | openAccess |
| 2003 | Converse to the Parter-Wiener Theorem: the case of non-trees | Johnson, Charles R. ; Duarte, António Leal | preprint | openAccess |
| 1993 | Desigualdades espectrais e problemas de existência em teorias de matrizes | Duarte, António José Esteves Leal | doctoralThesis | embargoedAccess |
| 2004 | A Fiedler's type characterization of band matrices | Bento, Américo ; Duarte, António Leal | preprint | openAccess |
| 2009 | Imbedding conditions for normal matrices | Queiró, João Filipe ; Duarte, António Leal | article | openAccess |
| 2002 | Inverse eigenvalue problems and lists of multiplicities of eigenvalues for matrices whose graph is a tree: the case of generalized stars and double generalized stars | Johnson, Charles R. ; Duarte, António Leal ; Saiago, Carlos M. | preprint | openAccess |
| 13-Dec-2011 | José Monteiro da Rocha e a actividade científica da "Faculdade de Mathematica" e do "Real Observatório da Universidade de Coimbra": 1772-1820 | Figueiredo, Fernando José Bandeira de | doctoralThesis | openAccess |
| 2003 | On Fiedler's characterization of tridiagonal matrices over arbitrary fields | Bento, Américo ; Duarte, António Leal | preprint | openAccess |
| 2008 | The structure of matrices with a maximum multiplicity eigenvalue | Johnson, Charles R. ; Duarte, António Leal ; Saiago, Carlos M. | article | openAccess |
