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Raymond Nung-Sing Sze
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Canonical forms, higher rank numerical ranges, totally isotropic subspaces, and matrix equations
CK Li, NS Sze
Proceedings of the American Mathematical Society 136 (9), 3013-3024, 2008
942008
Condition for the higher rank numerical range to be non-empty
CK Li, YT Poon, NS Sze
Linear and Multilinear Algebra 57 (4), 365-368, 2009
712009
Maps preserving the nilpotency of products of operators
CK Li, P Šemrl, NS Sze
Linear algebra and its applications 424 (1), 222-239, 2007
662007
Mappings preserving spectra of products of matrices
JT Chan, CK Li, NS Sze
Proceedings of the American Mathematical Society 135 (4), 977-986, 2007
602007
The automorphism group of separable states in quantum information theory
S Friedland, CK Li, YT Poon, NS Sze
Journal of Mathematical Physics 52, 042203, 2011
492011
Mappings on matrices: Invariance of functional values of matrix products
JT Chan, CK Li, NS Sze
Journal of the Australian Mathematical Society 81 (2), 165-184, 2006
492006
Higher rank numerical ranges and low rank perturbations of quantum channels
CK Li, YT Poon, NS Sze
Journal of Mathematical Analysis and Applications 348 (2), 843-855, 2008
442008
Determinantal and eigenvalue inequalities for matrices with numerical ranges in a sector
CK Li, NS Sze
Journal of Mathematical Analysis and Applications 410 (1), 487-491, 2014
342014
Higher rank numerical ranges of normal matrices
HL Gau, CK Li, YT Poon, NS Sze
SIAM Journal on Matrix Analysis and Applications 32 (1), 23-43, 2009
322009
Linear preservers and quantum information science
A Fošner, Z Huang, CK Li, NS Sze
Linear and Multilinear Algebra 61 (10), 1377-1390, 2013
312013
The Kemeny constant for finite homogeneous ergodic Markov chains
M Catral, SJ Kirkland, M Neumann, NS Sze
Journal of Scientific Computing 45 (1), 151-166, 2010
312010
Physical transformations between quantum states
Z Huang, CK Li, E Poon, NS Sze
Journal of mathematical physics 53 (10), 102209, 2012
302012
A new criterion and a special class of k-positive maps
J Hou, CK Li, YT Poon, X Qi, NS Sze
Linear Algebra and its Applications 470, 51-69, 2015
29*2015
Efficient quantum error correction for fully correlated noise
CK Li, M Nakahara, YT Poon, NS Sze, H Tomita
Physics Letters A 375 (37), 3255-3258, 2011
292011
On optimal condition numbers for Markov chains
SJ Kirkland, M Neumann, NS Sze
Numerische Mathematik 110 (4), 521-537, 2008
272008
Isometries for unitarily invariant norms
JT Chan, CK Li, NS Sze
Linear algebra and its applications 399, 53-70, 2005
252005
Davis-Wielandt shells of operators
CK Li, YT Poon, NS Sze
Oper. Matrices 2 (3), 341-355, 2008
242008
Graphs associated with matrices over finite fields and their endomorphisms
LP Huang, Z Huang, CK Li, NS Sze
Linear Algebra and its Applications 447, 2-25, 2014
222014
Recursive encoding and decoding of the noiseless subsystem and decoherence-free subspace
CK Li, M Nakahara, YT Poon, NS Sze, H Tomita
Physical Review A 84 (4), 044301, 2011
212011
Preservers for norms of Lie product
CK Li, E Poon, NS Sze
Operators and Matrices 3 (2), 187-203, 2009
212009
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