Browsing by Author Kovacec, Alexander

Results 1 to 12 of 12
Issue DateTitleAuthor(s)TypeAccess
2003Convex hull calculations: a Matlab implementation and correctness proofs for the lrs-algorithmKovacec, Alexander ; Ribeiro, Bernardete preprintopenAccess
2009Diagonal minus tail forms and Lasserre's sufficient conditions for sums of squaresFidalgo, Carla ; Kovačec, Alexander preprintopenAccess
30-Sep-2014Georg Cantor e os Números TranscendentesFerreira, Rita Daniela Larangeiro da Costa masterThesisopenAccess
2007The Hankel Pencil ConjectureKovačec, Alexander ; Gouveia, Maria Celeste preprintopenAccess
21-Dec-2015Heuristics in Problem Solving for the Teaching and Learning of MathematicsRodrigues, Nuno Álvaro Ferreira doctoralThesisopenAccess
1999The Marcus-de Oliveira conjecture, bilinear forms, and conesKovačec, Alexander articleopenAccess
2007On the corners of certain determinantal rangesKovačec, Alexander ; Bebiano, Natália ; Providência, João da articleopenAccess
2010Optimizing the profit from a complex cascade of hydroelectric stations with recirculating waterKorobeinikov, Andrei ; Kovacec, Alexander ; McGuinness, Mark ; Pascoal, Marta ; Pereira, Ana ; Vilela, Sónia articleopenAccess
2008Positive semidefinite diagonal minus tail forms are sums of squaresFidalgo, Carla ; Kovačec, Alexander preprintopenAccess
20-Sep-2013Problemas indecidíveisLobo, Diana de Castro masterThesisopenAccess
2017Shaping graph pattern mining for financial riskRibeiro, Bernardete ; Chen, Ning ; Kovacec, Alexander articleembargoedAccess
15-Apr-2010Sums of squares of polynomials with emphasis on diagonal minus tail formsFidalgo, Carla Isabel Florêncio doctoralThesisembargoedAccess