Some results on the q-numerical CK Li, H Nakazato
Linear and Multilinear Algebra 43 (4), 385-409, 1998
50 1998 Boundary generating curves of the c-numerical range MT Chien, H Nakazato
Linear algebra and its applications 294 (1-3), 67-84, 1999
38 1999 Davis–Wielandt shell and q-numerical range MT Chien, H Nakazato
Linear algebra and its applications 340 (1-3), 15-31, 2002
29 2002 On the shape of numerical range of matrix polynomials H Nakazato, P Psarrakos
Linear Algebra and its Applications 338 (1-3), 105-123, 2001
29 2001 Singular points of the ternary polynomials associated with 4-by-4 matrices MT Chien, H Nakazato
The Electronic Journal of Linear Algebra 23, 755-769, 2012
28 2012 Joint numerical range and its generating hypersurface MT Chien, H Nakazato
Linear algebra and its applications 432 (1), 173-179, 2010
27 2010 Set Of Orthostochastic Matrices H Nakazato
26 1996 The numerical range of a tridiagonal operator MT Chien, H Nakazato
Journal of mathematical analysis and applications 373 (1), 297-304, 2011
23 2011 Point equation of the boundary of the numerical range of a matrix polynomial MT Chien, H Nakazato, P Psarrakos
Linear algebra and its applications 347 (1-3), 205-217, 2002
20 2002 The numerical radius of a weighted shift operator with geometric weights MT Chien, H Nakazato
The Electronic Journal of Linear Algebra 18, 58-63, 2009
19 2009 Inequalities for J-Hermitian matrices N Bebiano, H Nakazato, J Da Providencia, R Lemos, G Soares
Linear algebra and its applications 407, 125-139, 2005
19 2005 Norm-parallelism and the Davis–Wielandt radius of Hilbert space operators A Zamani, MS Moslehian, MT Chien, H Nakazato
Linear and Multilinear Algebra 67 (11), 2147-2158, 2019
18 2019 The boundary of higher rank numerical ranges MT Chien, H Nakazato
Linear algebra and its applications 435 (11), 2971-2985, 2011
18 2011 Flat portions on the boundary of the numerical ranges of certain Toeplitz matrices MT Chien, H Nakazato
Linear and Multilinear Algebra 56 (1-2), 143-162, 2008
17 2008 Toeplitz matrices are unitarily similar to symmetric matrices MT Chien, J Liu, H Nakazato, TY Tam
Linear and Multilinear Algebra 65 (10), 2131-2144, 2017
16 2017 The numerical range of linear pencils of 2-by-2 matrices MT Chien, H Nakazato
Linear algebra and its applications 341 (1-3), 69-100, 2002
16 2002 On the boundary of the C -numerical range of a matrix H Nakazato, Y Nishikawa, M Takaguchi
Linear and Multilinear Algebra 39 (3), 231-240, 1995
16 1995 Computing the determinantal representations of hyperbolic forms MT Chien, H Nakazato
Czechoslovak Mathematical Journal 66, 633-651, 2016
15 2016 Hyperbolic forms associated with cyclic weighted shift matrices MT Chien, H Nakazato
Linear Algebra and its Applications 439 (11), 3541-3554, 2013
15 2013 Numerical range for orbits under a central force MT Chien, H Nakazato
Mathematical Physics, Analysis and Geometry 13, 315-330, 2010
15 2010