1. A new family of companion forms of polynomial matrices;Antoniou;Electron. J. Linear Algebra,2004
2. A remark on the convexity and positive definiteness concerning hermitian matrices;Au-Yeung;Southeast Asian Bull. Math.,1979
3. An extension of the hausdorff-toeplitz theorem on the numerical range;Au-Yeung;Proc. Am. Math. Soc.,1983
4. The characteristic polynomial of linear pencils of small size and the numerical range;Bebiano,2017
5. Fields of values of linear pencils and spectral inclusion regions;Bebiano,2017