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| Issue Date | Title | Author(s) | Type | Access |
| 8-Feb-2010 | O princípio (fundamental) da eficiência | Silva, Susana Maria Calvo Loureiro Tavares da | preprint | openAccess |
| 9-Jul-2009 | O Sigilo Médico: análise do direito português | Pereira, André Gonçalo Dias | preprint | openAccess |
| 2006 | The obstacle problem for nonlinear elliptic equations with variable growth and L1-data | Rodrigues, José Francisco ; Sanchón, Manel ; Urbano, José Miguel | preprint | openAccess |
| 2007 | Odd-quadratic Lie superalgebras | Albuquerque, Helena ; Barreiro, Elisabete ; Benayadi, Saïd | preprint | openAccess |
| 2007 | On (0,1)-matrices with prescribed row and column sum vectors | Fonseca, C. M. da ; Mamede, Ricardo | preprint | openAccess |
| 1998 | On a Darcy-Stefan Problem arising in freezing and thawing of saturated porous media | Rodrigues, José Francisco ; Urbano, José Miguel | preprint | openAccess |
| 2008 | On a doubly nonlinear diffusion model of chemotaxis with prevention of overcrowding | Bendahmane, Mostafa ; Bürger, Raimund ; Baier, Ricardo Ruiz ; Urbano, José Miguel | preprint | openAccess |
| 2001 | On a new relation between Jacobi and homogeneous Poisson manifolds | Petalidou, Fani | preprint | openAccess |
| 2006 | On a two-sidedly degenerate chemotaxis model with volume-filling effect | Bendahmane, Mostafa ; Karlsen, Kenneth H. ; Urbano, José Miguel | preprint | openAccess |
| 2009 | On an index two subgroup of puzzle and Littlewood-Richardson tableau Z2 x S3-symmetries | Azenhas, Olga ; Conflitti, Alessandro ; Mamede, Ricardo | preprint | openAccess |
| 2000 | On an involution on the set of Littlewood-Richardson tableaux and the hidden commutativity | Azenhas, Olga | preprint | openAccess |
| 2008 | On boundedness and small-orthogonality classes | Sousa, Lurdes | preprint | openAccess |
| 2010 | On categories with semidirect products | Martins-Ferreira, Nelson ; Sobral, Manuela | preprint | openAccess |
| 1999 | On computing real logarithms for matrices in the Lie group of special Euclidean motions in Rn | Cardoso, J. R. ; Leite, F. Silva | preprint | openAccess |
| 1999 | On coregular closure operators | Gutierres, Gonçalo | preprint | openAccess |
| 1999 | On decompositions in generalised Lorentz-Zygmund spaces | Neves, J. S. | preprint | openAccess |
| 2008 | On differential equations for orthogonal polynomials on the unit circle | Branquinho, A. ; Rebocho, M. N. | preprint | openAccess |
| 2003 | On Fiedler's characterization of tridiagonal matrices over arbitrary fields | Bento, Américo ; Duarte, António Leal | preprint | openAccess |
| 2001 | On functors which are lax epimorphisms | Adámek, Jirí ; Bashir, Robert El ; Sobral, Manuela ; Velebil, Jirí | preprint | openAccess |
| 2009 | On Gabor frames with Hermite functions: polyanalytic spaces from the Heisenberg group | Abreu, Luís Daniel | preprint | openAccess |
