Carvalho, Afonso A note on the factorisation of non-singular matrices. (English) Zbl 1484.15012 Bol. Soc. Port. Mat. 78, 23-29 (2020). MSC: 15A23 PDFBibTeX XMLCite \textit{A. Carvalho}, Bol. Soc. Port. Mat. 78, 23--29 (2020; Zbl 1484.15012) Full Text: Link
Fernandes, Rosário; da Cruz, Henrique F. Construction of matrices with known sums of rows and columns. (Portuguese. English summary) Zbl 1453.15012 Bol. Soc. Port. Mat. 75, 31-42 (2017). MSC: 15B36 PDFBibTeX XMLCite \textit{R. Fernandes} and \textit{H. F. da Cruz}, Bol. Soc. Port. Mat. 75, 31--42 (2017; Zbl 1453.15012) Full Text: Link
Ralha, Rui On simple bounds for eigenvalues of symmetric tridiagonal matrices. (English) Zbl 1458.15032 Bol. Soc. Port. Mat. 72, 1-5 (2015). Reviewer: Antoine Mhanna (Kfardebian) MSC: 15A42 15B99 PDFBibTeX XMLCite \textit{R. Ralha}, Bol. Soc. Port. Mat. 72, 1--5 (2015; Zbl 1458.15032) Full Text: Link
Beites, Patrícia D.; Nicolás, A. P. The equation \(ax=xb\) in certain standard composition algebras of type II. (Portuguese. English summary) Zbl 1477.17050 Bol. Soc. Port. Mat. 71, 89-96 (2014). MSC: 17A75 15A06 PDFBibTeX XMLCite \textit{P. D. Beites} and \textit{A. P. Nicolás}, Bol. Soc. Port. Mat. 71, 89--96 (2014; Zbl 1477.17050) Full Text: Link
Fernandes, Rosário; da Cruz, Henrique F. Algorithm for constructing matrices of zeros and ones with prescribed row and column sums. (Portuguese. English summary) Zbl 1465.15042 Bol. Soc. Port. Mat. 70, 1-14 (2014). Reviewer: Stefano Capparelli (Roma) MSC: 15B36 05A17 PDFBibTeX XMLCite \textit{R. Fernandes} and \textit{H. F. da Cruz}, Bol. Soc. Port. Mat. 70, 1--14 (2014; Zbl 1465.15042) Full Text: Link
Cardoso, João R.; Harris, William F. An application of matrix functions in linear optics. (English) Zbl 1460.78003 Bol. Soc. Port. Mat. 68, 65-81 (2013). MSC: 78A05 15A16 PDFBibTeX XMLCite \textit{J. R. Cardoso} and \textit{W. F. Harris}, Bol. Soc. Port. Mat. 68, 65--81 (2013; Zbl 1460.78003) Full Text: Link
Costa, Cecília; Facas Vicente, M. A.; Beites, Patrícia; Martins, Fernando; Serôdio, Rogério; Tadeu, Pedro Vector product on \(\mathbb{R}^7\): projection of a point to a line. (Portuguese. English summary) Zbl 1206.15022 Bol. Soc. Port. Mat. 62, 19-35 (2010). MSC: 15A69 15A63 PDFBibTeX XMLCite \textit{C. Costa} et al., Bol. Soc. Port. Mat. 62, 19--35 (2010; Zbl 1206.15022)
da Fonseca, C. M.; Mamede, Ricardo Young squares as 0-1 matrices. (Portuguese. English summary) Zbl 1270.15021 Bol. Soc. Port. Mat. 60, 23-33 (2009). MSC: 15B34 05A17 05B20 05C50 PDFBibTeX XMLCite \textit{C. M. da Fonseca} and \textit{R. Mamede}, Bol. Soc. Port. Mat. 60, 23--33 (2009; Zbl 1270.15021)
Manteigas Pedro, Ana Maria; Morais Fernandes de Oliveira, António Manuel; Anes Duarte Nogueira, Joaquim Eurico Notes on history of linear algebra. (Portuguese. English summary) Zbl 1270.15001 Bol. Soc. Port. Mat. 60, 1-21 (2009). MSC: 15A03 15-03 01A50 01A55 PDFBibTeX XMLCite \textit{A. M. Manteigas Pedro} et al., Bol. Soc. Port. Mat. 60, 1--21 (2009; Zbl 1270.15001)
Luz, Carlos J. An introduction to the Jordan canonical form. (Portuguese. English summary) Zbl 1071.15500 Bol. Soc. Port. Mat. 52, 27-52 (2005). MSC: 15A21 PDFBibTeX XMLCite \textit{C. J. Luz}, Bol. Soc. Port. Mat. 52, 27--52 (2005; Zbl 1071.15500)
Sampaio Martins, Jorge A. On the definition of the determinant function. (Portuguese) Zbl 0817.15004 Bol. Soc. Port. Mat. 30, 37-43 (1994). Reviewer: Bernd Wegner (Berlin) MSC: 15A15 15-02 PDFBibTeX XMLCite \textit{J. A. Sampaio Martins}, Bol. Soc. Port. Mat. 30, 37--43 (1994; Zbl 0817.15004)