Circumscribed sphere of a convex polyhedron. - Mao-Ting Chien; Hiroshi Nakazato (Appl. Math. Lett., 2005)

The q-numerical range of 3-by-3 weighted shift matrices. - Mao-Ting Chien; Hiroshi Nakazato (Appl. Math. Lett., 2008)

On the numerical ranges of matrix products. - Mao-Ting Chien; Chung-Lien Ko; Hiroshi Nakazato (Appl. Math. Lett., 2010)

Reduction of joint c-numerical ranges. - Mao-Ting Chien; Hiroshi Nakazato (Appl. Math. Comput., 2014)

Determinantal representations of hyperbolic forms via weighted shift matrices. - Mao-Ting Chien; Hiroshi Nakazato (Appl. Math. Comput., 2015)

Symmetric Representation of Ternary Forms Associated to Some Toeplitz Matrices †. - Mao-Ting Chien; Hiroshi Nakazato (Symmetry, 2018)

Hyperbolic forms admit reversible weighted shift determinantal representation. - Mao-Ting Chien; Hiroshi Nakazato (Appl. Math. Comput., 2019)