Browsing by Author Sobral, Manuela
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| Issue Date | Title | Author(s) | Type | Access |
|---|---|---|---|---|
| 2001 | Another Approach to Topological Descent Theory | Sobral, Manuela | article | openAccess |
| 1998 | Another approach to topological descent theory | Sobral, Manuela | preprint | openAccess |
| 2016 | Baer sums of special Schreier extensions of monoids | Martins-Ferreira, Nelson ; Montoli, Andrea ; Sobral, Manuela | article | embargoedAccess |
| 2020 | Cancellative conjugation semigroups and monoids | Garrão, Ana Paula; Martins-Ferreira, Nelson ; Raposo, Margarida; Sobral, Manuela | article | embargoedAccess |
| 2008 | Descent for compact 0-dimensional spaces | Janelidze, George ; Sobral, Manuela | preprint | openAccess |
| 2003 | Descent for discrete (co)fibrations | Sobral, Manuela | preprint | openAccess |
| 2005 | Descent for Priestley Spaces | Dias, Margarida ; Sobral, Manuela | preprint | openAccess |
| 2009 | Descent for regular epimorphisms in Barr exact Goursat categories | Janelidze, George ; Sobral, Manuela | preprint | openAccess |
| 1999 | Finite preorders and topological descent | Janelidze, George ; Sobral, Manuela | preprint | openAccess |
| 2000 | Finite preorders and topological descent II: étale descent | Janelidze, George ; Sobral, Manuela | preprint | openAccess |
| 2008 | Ketotifen controlled release from cellulose acetate propionate and cellulose acetate butyrate membranes | Sobral, Manuela ; Sobral, Abílio ; Guthrie, J. ; Gil, M. | article | openAccess |
| 2005 | Logic of implications | Adámek, Jirí ; Sobral, Manuela ; Sousa, Lurdes | preprint | openAccess |
| 2007 | A logic of implications in algebra and coalgebra | Adámek, Jirí ; Sobral, Manuela ; Sousa, Lurdes | preprint | openAccess |
| 2006 | Morita equivalence of many-sorted algebraic theories | Adámek, Jirí ; Sobral, Manuela ; Sousa, Lurdes | article | openAccess |
| 2010 | On categories with semidirect products | Martins-Ferreira, Nelson ; Sobral, Manuela | preprint | openAccess |
| 2001 | On functors which are lax epimorphisms | Adámek, Jirí ; Bashir, Robert El ; Sobral, Manuela ; Velebil, Jirí | preprint | openAccess |
| 2017 | On some categorical-algebraic conditions in S-protomodular categories | Martins-Ferreira, Nelson ; Montoli, Andrea ; Sobral, Manuela | article | openAccess |
| 2020 | On the classification of Schreier extensions of monoids with non-abelian kernel | Martins-Ferreira, Nelson ; Montoli, Andrea ; Patchkoria, Alex; Sobral, Manuela | article | embargoedAccess |
| 2008 | Profinite relational structures | Janelidze, George ; Sobral, Manuela | preprint | openAccess |
| 1997 | Reflective and Orthogonal Hulls. | Sousa, Maria de Lurdes da Costa e | doctoralThesis | openAccess |