Linear preserver problems: A brief introduction and some special techniques. Zbl 0762.15016 Li, Chi-Kwong;Tsing, Nam-Kiu | | 1992 |
Linear preserver problems. Zbl 0991.15001 Li, Chi-Kwong;Pierce, Stephen | | 2001 |
Convergence properties of preconditioned Hermitian and skew-Hermitian splitting methods for non-Hermitian positive semidefinite matrices. Zbl 1114.65034 Bai, Zhong-Zhi;Golub, Gene H.;Li, Chi-Kwong | | 2007 |
Geometric means. Zbl 1063.47013 Ando, T.;Li, Chi-Kwong;Mathias, Roy | | 2004 |
Optimal parameter in Hermitian and skew-Hermitian splitting method for certain two-by-two block matrices. Zbl 1116.65039 Bai, Zhong-Zhi;Golub, Gene H.;Li, Chi-Kwong | | 2006 |
Some general techniques on linear preserver problems. Zbl 0964.15004 Guterman, Alexander;Li, Chi-Kwong;Šemrl, Peter | | 2000 |
Applications of Perron-Frobenius theory to population dynamics. Zbl 1015.91059 Li, Chi-Kwong;Schneider, Hans | | 2002 |
Maps preserving product \(XY -YX^*\) on factor von Neumann algebras. Zbl 1183.47031 Cui, Jianlian;Li, Chi-Kwong | | 2009 |
\(C\)-numerical ranges and \(C\)-numerical radii. Zbl 0814.15022 Li, Chi-Kwong | | 1994 |
Numerical range of matrix polynomials. Zbl 0814.15023 Li, Chi-Kwong;Rodman, Leiba | | 1994 |
On the evolution of dispersal in patchy landscapes. Zbl 1100.39011 Kirkland, Stephen;Li, Chi-Kwong;Schreiber, Sebastian J. | | 2006 |
Canonical forms, higher rank numerical ranges, totally isotropic subspaces, and matrix equations. Zbl 1152.15027 Li, Chi-Kwong;Sze, Nung-Sing | | 2008 |
Mappings preserving spectra of products of matrices. Zbl 1113.15002 Chan, Jor-Ting;Li, Chi-Kwong;Sze, Nung-Sing | | 2007 |
Miscellaneous preserver problems. Zbl 0767.15006 Beasley, LeRoy B.;Li, Chi-Kwong;Pierce, Stephen | | 1992 |
Convexity of the joint numerical range. Zbl 0945.15019 Li, Chi-Kwong;Poon, Yiu-Tung | | 2000 |
Maps preserving the nilpotency of products of operators. Zbl 1124.47026 Li, Chi-Kwong;Šemrl, Peter;Sze, Nung-Sing | | 2007 |
A simple proof of the elliptical range theorem. Zbl 0857.15020 Li, Chi-Kwong | | 1996 |
A note on extreme correlation matrices. Zbl 0804.15011 Li, Chi-Kwong;Tam, Bit-Shun | | 1994 |
Condition for the higher rank numerical range to be non-empty. Zbl 1172.15014 Li, Chi-Kwong;Poon, Yiu-Tung;Sze, Nung-Sing | | 2009 |
Jordan isomorphisms and maps preserving spectra of certain operator products. Zbl 1134.47028 Hou, Jinchuan;Li, Chi-Kwong;Wong, Ngai-Ching | | 2008 |
Mappings on matrices: invariance of functional values of matrix products. Zbl 1110.15005 Chan, Jor-Ting;Li, Chi-Kwong;Sze, Nung-Sing | | 2006 |
\(G\)-invariant norms and bicircular projections. Zbl 1110.15025 Fošner, Maja;Ilišević, Dijana;Li, Chi-Kwong | | 2007 |
Maps preserving the spectrum of generalized Jordan product of operators. Zbl 1185.47036 Hou, Jinchuan;Li, Chi-Kwong;Wong, Ngai-Ching | | 2010 |
Mappings that preserve pairs of operators with zero triple Jordan product. Zbl 1130.15002 Dobovišek, M.;Kuzma, B.;Lešnjak, G.;Li, C. K.;Petek, T. | | 2007 |
Determinantal and eigenvalue inequalities for matrices with numerical ranges in a sector. Zbl 1307.15029 Li, Chi-Kwong;Sze, Nung-Sing | | 2014 |
A generalized numerical range: The range of a constrained sesquilinear form. Zbl 0819.15018 Li, Chi-Kwong;Mehta, Paras P.;Rodman, Leiba | | 1994 |
The numerical range of a nonnegative matrix. Zbl 1003.15027 Li, Chi-Kwong;Tam, Bit-Shun;Wu, Pei Yuan | | 2002 |
Numerical ranges of an operator on an indefinite inner product space. Zbl 0851.15018 Li, Chi-Kwong;Tsing, Nam-Kui;Uhlig, Frank | | 1996 |
Davis–Wielandt shells of operators. Zbl 1176.47010 Li, Chi-Kwong;Poon, Yiu-Tung;Sze, Nung-Sing | | 2008 |
Eigenvalues, singular values, and Littlewood-Richardson coefficients. Zbl 1072.15010 Fomin, Sergey;Fulton, William;Li, Chi-Kwong;Poon, Yiu-Tung | | 2005 |
Matrices with some extremal properties. Zbl 0659.15018 Li, Chi-Kwong | | 1988 |
Properties and preservers of the pseudospectrum. Zbl 1245.15028 Cui, Jianlian;Forstall, Virginia;Li, Chi-Kwong;Yannello, Vincent | | 2012 |
Orthogonality of matrices. Zbl 1003.15028 Li, Chi-Kwong;Schneider, Hans | | 2002 |
A note on eigenvalues of perturbed Hermitian matrices. Zbl 1068.15027 Li, Chi-Kwong;Li, Ren-Cang | | 2005 |
Extremal characterizations of the Schur complement and resulting inequalities. Zbl 0948.15017 Li, Chi-Kwong;Mathias, Roy | | 1998 |
Some results on the \(q\)-numerical range. Zbl 0899.15017 Li, Chi-Kwong;Nakazato, Hiroshi | | 1998 |
Joint ranges of Hermitian matrices and simultaneous diagonalization. Zbl 0724.15020 Binding, Paul;Li, Chi-Kwong | | 1991 |
Unitarily invariant metrics on the Grassmann space. Zbl 1099.15024 Qiu, Li;Zhang, Yanxia;Li, Chi-Kwong | | 2005 |
Pseudospectra of special operators and pseudospectrum preservers. Zbl 1357.47007 Cui, Jianlian;Li, Chi-Kwong;Poon, Yiu-Tung | | 2014 |
Generalized numerical ranges and quantum error correction. Zbl 1261.47012 Li, Chi-Kwong;Poon, Yiu-Tung | | 2011 |
The automorphism group of separable states in quantum information theory. Zbl 1316.81014 Friedland, Shmuel;Li, Chi-Kwong;Poon, Yiu-Tung;Sze, Nung-Sing | | 2011 |
Linear operators preserving directional majorization. Zbl 0999.15030 Li, Chi-Kwong;Poon, Edward | | 2001 |
Linear operators that preserve the c-numerical range or radius of matrices. Zbl 0642.15006 Li, Chi-Kwong;Tsing, Nam-Kiu | | 1988 |
G-invariant norms and G(c)-radii. Zbl 0722.15027 Li, Chi-Kwong;Tsing, Nam-Kiu | | 1991 |
Linear-operators preserving unitarily invariant norms of matrices. Zbl 0691.15006 Li, Chi-Kwong;Tsing, Nam-Kiu | | 1990 |
c-convex matrices: Characterizations, inclusion relations and normality. Zbl 0686.15010 Li, Chi-Kwong;Sung, Chen-Han;Tsing, Nam-Kiu | | 1989 |
Maps preserving peripheral spectrum of Jordan products of operators. Zbl 1258.47054 Cui, Jianlian;Li, Chi-Kwong | | 2012 |
Graphs associated with matrices over finite fields and their endomorphisms. Zbl 1288.05158 Huang, Li-Ping;Huang, Zejun;Li, Chi-Kwong;Sze, Nung-Sing | | 2014 |
Some aspects of the theory of norms. Zbl 0814.15021 Li, Chi-Kwong | | 1994 |
Remarks on numerical ranges of operators in spaces with an indefinite metric. Zbl 0897.15012 Li, Chi-Kwong;Rodman, Leiba | | 1998 |
\(C^*\)-isomorphisms, Jordan isomorphisms, and numerical range preserving maps. Zbl 1123.47032 Gau, Hwa-Long;Li, Chi-Kwong | | 2007 |
Duality between some linear preserver problems. II: Isometries with respect to c-spectral norms and matrices with fixed singular values. Zbl 0655.15026 Li, Chi-Kwong;Tsing, Nam-Kiu | | 1988 |
The joint essential numerical range of operators: convexity and related results. Zbl 1178.47001 Li, Chi-Kwong;Poon, Yiu-Tung | | 2009 |
Linear transformations between matrix spaces that map one rank specific set into another. Zbl 1022.15001 Li, Chi-Kwong;Rodman, Leiba;Šemrl, Peter | | 2002 |
Duality between some linear preservers problems: The invariance of the C- numerical range, the C-numerical radius and certain matrix sets. Zbl 0668.15014 Li, Chi-Kwong;Tsing, Nam-Kiu | | 1988 |
Constrained unitary dilations and numerical ranges. Zbl 0996.47003 Choi, Man-Duen;Li, Chi-Kwong | | 2001 |
Stationary probability vectors of higher-order Markov chains. Zbl 1391.60176 Li, Chi-Kwong;Zhang, Shixiao | | 2015 |
Linear preservers and quantum information science. Zbl 1290.15017 Fošner, Ajda;Huang, Zejun;Li, Chi-Kwong;Sze, Nung-Sing | | 2013 |
The Lidskii-Mirsky-Wielandt theorem – additive and multiplicative versions. Zbl 0922.15010 Li, Chi-Kwong;Mathias, Roy | | 1999 |
Linear operators preserving the higher numerical radius of matrices. Zbl 0622.15017 Li, Chi-Kwong | | 1987 |
Linear operators preserving certain equivalence relations on matrices. Zbl 0724.15007 Horn, Roger A.;Li, Chi-Kwong;Tsing, Nam-Kiu | | 1991 |
Matrices with circular symmetry on their unitary orbits and C-numerical ranges. Zbl 0719.15017 Li, Chi-Kwong;Tsing, Nam-Kiu | | 1991 |
Higher rank numerical ranges and low rank perturbations of quantum channels. Zbl 1151.47008 Li, Chi-Kwong;Poon, Yiu-Tung;Sze, Nung-Sing | | 2008 |
The c-spectral, c-radial and c-convex matrices. Zbl 0612.15016 Li, Chi-Kwong | | 1987 |
Shapes and computer generation of numerical ranges of Krein space operators. Zbl 0905.47027 Li, Chi-Kwong;Rodman, Leiba | | 1998 |
The C-convex matrices. Zbl 0635.15025 Li, Chi-Kwong | | 1987 |
Linear maps on selfadjoint operators preserving invertibility, positive definiteness, numerical range. Zbl 1056.47018 Li, Chi-Kwong;Rodman, Leiba;Šemrl, Peter | | 2003 |
Linear maps preserving permutation and stochastic matrices. Zbl 0998.15004 Li, Chi-Kwong;Tam, Bit-Shun;Tsing, Nam-Kiu | | 2002 |
Higher rank numerical ranges of normal matrices. Zbl 1223.15032 Gau, Hwa-Long;Li, Chi-Kwong;Poon, Yiu-Tung;Sze, Nung-Sing | | 2011 |
On the kth matrix numerical range. Zbl 0717.15018 Li, Chi-Kwong;Tsing, Nam-Kiu | | 1991 |
Interpolation by completely positive maps. Zbl 1236.15004 Li, Chi-Kwong;Poon, Yiu-Tung | | 2011 |
Preservers for norms of Lie product. Zbl 1181.15031 Li, Chi-Kwong;Poon, Edward;Sze, Nung-Sing | | 2009 |
Extension of stochastic dominance theory to random variables. Zbl 1016.91032 Li, Chi-Kwong;Wong, Wing-Keung | | 1999 |
Induced operators on symmetry classes of tensors. Zbl 0984.15025 Li, Chi-Kwong;Zaharia, Alexandru | | 2002 |
A new criterion and a special class of \(k\)-positive maps. Zbl 1308.15024 Hou, Jinchuan;Li, Chi-Kwong;Poon, Yiu-Tung;Qi, Xiaofei;Sze, Nung-Sing | | 2015 |
Preservers of unitary similarity functions on Lie products of matrices. Zbl 1334.15055 Cui, Jianlian;Li, Chi-Kwong;Poon, Yiu-Tung | | 2016 |
A class of unitarily invariant norms on \(B(H)\). Zbl 0963.47013 Chan, Jor-Ting;Li, Chi-Kwong;Tu, Charlies C. N. | | 2001 |
Isometries for unitarily invariant norms. Zbl 1073.15022 Chan, Jor-Ting;Li, Chi-Kwong;Sze, Nung-Sing | | 2005 |
A note on convex stochastic dominance. Zbl 0917.90019 Wong, Wing-Keung;Li, Chi-Kwong | | 1999 |
Numerical ranges and dilations. Zbl 0952.47005 Choi, Man-Duen;Li, Chi-Kwong | | 2000 |
Linear operators preserving similarity classes and related results. Zbl 0809.15014 Li, Chi-Kwong;Pierce, Stephen | | 1994 |
Overgroups of some classical linear groups with applications to linear preserver problems. Zbl 0793.15018 Đoković, Dragomir Ž.;Li, Chi-Kwong | | 1994 |
Linear transformations on \(M_ n({\mathbb{R}})\) that preserve the Ky Fan k- norm and a remarkable special case when \((n,k)=(4,2)\). Zbl 0658.15029 Johnson, Charles R.;Laffey, Thomas;Li, Chi-Kwong | | 1988 |
Polynomial numerical hulls of matrices. Zbl 1130.15017 Davis, Chandler;Li, Chi-Kwong;Salemi, Abbas | | 2008 |
Duality between some linear preserver problems. III: c-spectral norms and (skew)-symmetric matrices with fixed singular values. Zbl 0712.15028 Li, Chi-Kwong;Tsing, Nam-Kiu | | 1991 |
Norms that are invariant under unitary similarities and the C-numerical radii. Zbl 0712.15029 Li, Chi-Kwong;Tsing, Nam-Kiu | | 1989 |
A survey on linear preservers of numerical ranges and radii. Zbl 0986.15021 Li, Chi-Kwong | | 2001 |
Higher-rank numerical ranges and dilations. Zbl 1212.15022 Gau, Hwa-Long;Li, Chi-Kwong;Wu, Pei Yuan | | 2010 |
Multiplicative preservers on semigroups of matrices. Zbl 1025.15001 Cheung, Wai-Shun;Fallat, Shaun;Li, Chi-Kwong | | 2002 |
Invertible preservers and algebraic groups. III: Preservers of unitary similarity (congruence) invariants and overgroups of some unitary subgroups. Zbl 0889.20027 Guralnick, Robert M.;Li, Chi-Kwong | | 1997 |
On the unitarily invariant norms and some related results. Zbl 0612.15017 Li, Chi-Kwong;Tsing, Nam-Kiu | | 1987 |
Generalizations of Ky Fan’s dominance theorem. Zbl 0911.15010 Li, Chi-Kwong;Mathias, Roy | | 1998 |
The ultimate estimate of the upper norm bound for the summation of operators. Zbl 1116.47011 Choi, Man-Duen;Li, Chi-Kwong | | 2006 |
Some convexity theorems for the generalized numerical ranges. Zbl 0869.15017 Li, Chi-Kwong | | 1996 |
Certain isometries on \(\mathbb{R}{}^ n\). Zbl 0743.15013 Chang, Stanley S.;Li, Chi-Kwong | | 1992 |
The decomposable numerical radius and numerical radius of a compound matrix. Zbl 0588.15011 Li, Chi-Kwong | | 1986 |
Linear operators preserving unitary similarity invariant norms. Zbl 0706.15028 Li, Chi-Kwong;Tsing, Nam-Kiu | | 1990 |
Inequalities relating unitarily invariant norms and the numerical radius. Zbl 0644.15018 Johnson, Charles R.;Li, Chi-Kwong | | 1988 |
Linear maps preserving Ky Fan norms and Schatten norms of tensor products of matrices. Zbl 1273.15030 Fošner, Ajda;Huang, Zejun;Li, Chi-Kwong;Sze, Nung-Sing | | 2013 |
Unitary similarity invariant function preservers of skew products of operators. Zbl 1486.47069 Cui, Jianlian;Li, Chi-Kwong;Sze, Nung-Sing | | 2017 |
On semidefinite programming characterizations of the numerical radius and its dual norm. Zbl 1545.65174 Friedland, Shmuel;Li, Chi-Kwong | | 2024 |
Linear maps preserving parallel matrix pairs with respect to the Ky-Fan \(k\)-norm. Zbl 1542.15027 Kuzma, Bojan;Li, Chi-Kwong;Singla, Sushil;Poon, Edward | | 2024 |
Linear maps preserving matrices annihilated by a fixed polynomial. Zbl 1532.15024 Li, Chi-Kwong;Tsai, Ming-Cheng;Wang, Ya-Shu;Wong, Ngai-Ching | | 2023 |
Numerical ranges of cyclic shift matrices. Zbl 1542.15026 Chien, Mao-Ting;Kirkland, Steve;Li, Chi-Kwong;Nakazato, Hiroshi | | 2023 |
On the mixed-unitary rank of quantum channels. Zbl 1501.81006 Girard, Mark;Leung, Debbie;Levick, Jeremy;Li, Chi-Kwong;Paulsen, Vern;Poon, Yiu Tung;Watrous, John | | 2022 |
The joint numerical range of commuting matrices. Zbl 1500.15014 Lau, Pan-Shun;Li, Chi-Kwong;Poon, Yiu-Tung | | 2022 |
Closedness of the \(k\)-numerical range. Zbl 1507.47012 Chan, J. T.;Li, C. K.;Poon, Y. T. | | 2022 |
Minimum number of non-zero-entries in a stable matrix exhibiting Turing instability. Zbl 1503.15047 Hambric, Christopher Logan;Li, Chi-Kwong;Pelejo, Diane Christine;Shi, Junping | | 2022 |
Additive Hermitian idempotent preservers between operator algebras. Zbl 1512.47068 Li, Chi-Kwong;Tsai, Ming-Cheng;Wang, Ya-Shu;Wong, Ngai-Ching | | 2022 |
Coherence measures induced by norm functions. Zbl 1462.81023 Jing, Yangping;Li, Chi-Kwong;Poon, Edward;Zhang, Chengyang | | 2021 |
Higher rank matricial ranges and hybrid quantum error correction. Zbl 1521.47116 Cao, Ningping;Kribs, David W.;Li, Chi-Kwong;Nelson, Mike I.;Poon, Yiu-Tung;Zeng, Bei | | 2021 |
The diameter and width of higher rank numerical ranges. Zbl 1462.15026 Chien, Mao-Ting;Li, Chi-Kwong;Nakazato, Hiroshi | | 2021 |
Joint numerical ranges and commutativity of matrices. Zbl 1448.15020 Li, Chi-Kwong;Poon, Yiu-Tung;Wang, Ya-Shu | | 2020 |
Complexifications of real Banach spaces and their isometries. Zbl 1456.46012 Ilišević, Dijana;Kuzma, Bojan;Li, Chi-Kwong;Poon, Edward | | 2020 |
Nonsurjective maps between rectangular matrix spaces preserving disjointness, triple products, or norms. Zbl 1449.15067 Li, Chi-Kwong;Tsai, Mimg-Cheng;Wang, Ya-Shu;Wong, Ngai-Ching | | 2020 |
Error correction schemes for fully correlated quantum channels protecting both quantum and classical information. Zbl 1508.81620 Li, Chi-Kwong;Lyles, Seth;Poon, Yiu-Tung | | 2020 |
A note on unitarily invariant matrix norms. Zbl 1457.15021 Ding, Wenxuan;Li, Chi-Kwong;Li, Yuqiao | | 2020 |
Construction of quantum states with special properties by projection methods. Zbl 1509.81156 Duan, Xuefeng;Li, Chi-Kwong;Pelejo, Diane Christine | | 2020 |
Eigenvalue continuity and Geršgorin’s theorem. Zbl 1436.15008 Li, Chi-Kwong;Zhang, Fuzhen | | 2019 |
Submultiplicativity of the numerical radius of commuting matrices of order two. Zbl 1425.15020 Li, Chi-Kwong;Poon, Yiu-Tung | | 2019 |
Generalized numerical ranges, dilation, and quantum error correction. Zbl 1435.47011 Botelho-Andrade, Sara;Li, Chi-Kwong | | 2019 |
Minimum number of non-zero-entries in a \(7 \times 7\) stable matrix. Zbl 1434.15018 Hambric, Christopher Logan;Li, Chi-Kwong;Pelejo, Diane Christine;Shi, Junping | | 2019 |
The generalized numerical range of a set of matrices. Zbl 1405.15029 Lau, Pan-Shun;Li, Chi-Kwong;Poon, Yiu-Tung;Sze, Nung-Sing | | 2019 |
Preservation of the joint essential matricial range. Zbl 1512.47010 Li, Chi-kwong;Paulsen, Vern I.;Poon, Yiu-tung | | 2019 |
Convexity and star-shapedness of matricial range. Zbl 06933546 Lau, Pan-Shun;Li, Chi-Kwong;Poon, Yiu-Tung;Sze, Nung-Sing | | 2018 |
The modified trace distance of coherence is constant on most pure states. Zbl 1407.81044 Johnston, Nathaniel;Li, Chi-Kwong;Plosker, Sarah | | 2018 |
Ranks of quantum states with prescribed reduced states. Zbl 1401.81027 Li, Chi-Kwong;Poon, Yiu-Tung;Wang, Xuefeng | | 2018 |
Preservers of isometries. Zbl 1413.47062 Ilišević, Dijana;Kuzma, Bojan;Li, Chi-Kwong;Poon, Edward | | 2018 |
Unitary similarity invariant function preservers of skew products of operators. Zbl 1486.47069 Cui, Jianlian;Li, Chi-Kwong;Sze, Nung-Sing | | 2017 |
Products of positive semi-definite matrices. Zbl 1400.15014 Cui, Jianlian;Li, Chi-Kwong;Sze, Nung-Sing | | 2017 |
Numerical ranges of the product of operators. Zbl 06723306 Du, Hongke;Li, Chi-Kwong;Wang, Kuo-Zhong;Wang, Yueqing;Zuo, Ning | | 2017 |
Preservers of unitary similarity functions on Lie products of matrices. Zbl 1334.15055 Cui, Jianlian;Li, Chi-Kwong;Poon, Yiu-Tung | | 2016 |
Product of operators and numerical range. Zbl 1337.47005 Chien, Mao-Ting;Gau, Hwa-Long;Li, Chi-Kwong;Tsai, Ming-Cheng;Wang, Kuo-Zhong | | 2016 |
Minkowski product of convex sets and product numerical range. Zbl 1358.52004 Li, Chi-Kwong;Pelejo, Diane Christine;Poon, Yiu-Tung;Wang, Kuo-Zhong | | 2016 |
Factoring a quadratic operator as a product of two positive contractions. Zbl 1344.47014 Li, Chi-Kwong;Tsai, Ming-Cheng | | 2016 |
Stationary probability vectors of higher-order Markov chains. Zbl 1391.60176 Li, Chi-Kwong;Zhang, Shixiao | | 2015 |
A new criterion and a special class of \(k\)-positive maps. Zbl 1308.15024 Hou, Jinchuan;Li, Chi-Kwong;Poon, Yiu-Tung;Qi, Xiaofei;Sze, Nung-Sing | | 2015 |
Discontinuity of maximum entropy inference and quantum phase transitions. Zbl 1454.81036 Chen, Jianxin;Ji, Zhengfeng;Li, Chi-Kwong;Poon, Yiu-Tung;Shen, Yi;Yu, Nengkun;Zeng, Bei;Zhou, Duanlu | | 2015 |
Numerical range of Lie product of operators. Zbl 1334.47006 Hou, Jinchuan;Li, Chi-Kwong;Qi, Xiaofei | | 2015 |
The spectrum of the product of operators, and the product of their numerical ranges. Zbl 1339.47004 Li, Chi-Kwong;Tsai, Ming-Cheng;Wang, Kuo-Zhong;Wong, Ngai-Ching | | 2015 |
Maximal noiseless code rates for collective rotation channels on qudits. Zbl 1327.81154 Li, Chi-Kwong;Nakahara, Mikio;Poon, Yiu-Tung;Sze, Nung-Sing | | 2015 |
Projection methods for quantum channel construction. Zbl 1327.81083 Drusvyatskiy, Dmitriy;Li, Chi-Kwong;Pelejo, Diane Christine;Voronin, Yuen-Lam;Wolkowicz, Henry | | 2015 |
Positivity of partitioned Hermitian matrices with unitarily invariant norms. Zbl 1325.15019 Li, Chi-Kwong;Zhang, Fuzhen | | 2015 |
Determinantal and eigenvalue inequalities for matrices with numerical ranges in a sector. Zbl 1307.15029 Li, Chi-Kwong;Sze, Nung-Sing | | 2014 |
Pseudospectra of special operators and pseudospectrum preservers. Zbl 1357.47007 Cui, Jianlian;Li, Chi-Kwong;Poon, Yiu-Tung | | 2014 |
Graphs associated with matrices over finite fields and their endomorphisms. Zbl 1288.05158 Huang, Li-Ping;Huang, Zejun;Li, Chi-Kwong;Sze, Nung-Sing | | 2014 |
Linear maps preserving the higher numerical ranges of tensor products of matrices. Zbl 1319.15005 Fošner, Ajda;Huang, Zejun;Li, Chi-Kwong;Poon, Yiu-Tung;Sze, Nung-Sing | | 2014 |
Ranks and eigenvalues of states with prescribed reduced states. Zbl 1326.15016 Li, Chi-Kwong;Poon, Yiu-Tung;Wang, Xuefeng | | 2014 |
Recursive construction of noiseless subsystem for qudits. Zbl 1299.81010 Güngördü, Utkan;Li, Chi-Kwong;Nakahara, Mikio;Poon, Yiu-Tung;Sze, Nung-Sing | | 2014 |
Decomposition of quantum gates. Zbl 1288.81027 Li, Chi Kwong;Pelejo, Diane Christine | | 2014 |
Conditions for degradability of tripartite quantum states. Zbl 1286.81032 Fung, Chi-Hang Fred;Li, Chi-Kwong;Sze, Nung-Sing;Chau, H. F. | | 2014 |
A review on operator quantum error correction – dedicated to Professor Mikio Nakahara on the occasion of his 60th birthday. Zbl 1299.81017 Li, Chi-Kwong;Poon, Yiu-Tung;Sze, Nung-Sing | | 2014 |
Linear preservers and quantum information science. Zbl 1290.15017 Fošner, Ajda;Huang, Zejun;Li, Chi-Kwong;Sze, Nung-Sing | | 2013 |
Linear maps preserving Ky Fan norms and Schatten norms of tensor products of matrices. Zbl 1273.15030 Fošner, Ajda;Huang, Zejun;Li, Chi-Kwong;Sze, Nung-Sing | | 2013 |
Linear preservers of tensor product of unitary orbits, and product numerical range. Zbl 1281.15030 Li, Chi-Kwong;Poonl, Yiu-Tung;Sze, Nung-Sing | | 2013 |
Decomposition of unitary matrices and quantum gates. Zbl 1267.81116 Li, Chi-Kwong;Roberts, Rebecca;Yin, Xiaoyan | | 2013 |
Linear maps preserving numerical radius of tensor products of matrices. Zbl 1309.15044 Fošner, Ajda;Huang, Zejun;Li, Chi-Kwong;Sze, Nung-Sing | | 2013 |
Elementary proofs for some results on the circular symmetry of the numerical range. Zbl 1350.15012 Cheung, Wai-Shun;Li, Chi-Kwong | | 2013 |
A geometric characterization of invertible quantum measurement maps. Zbl 1283.47024 He, Kan;Hou, Jin-Chuan;Li, Chi-Kwong | | 2013 |
Properties and preservers of the pseudospectrum. Zbl 1245.15028 Cui, Jianlian;Forstall, Virginia;Li, Chi-Kwong;Yannello, Vincent | | 2012 |
Maps preserving peripheral spectrum of Jordan products of operators. Zbl 1258.47054 Cui, Jianlian;Li, Chi-Kwong | | 2012 |
Physical transformations between quantum states. Zbl 1278.81020 Huang, Zejun;Li, Chi-Kwong;Poon, Edward;Sze, Nung-Sing | | 2012 |
Preservers of matrix pairs with a fixed inner product value. Zbl 1255.15033 Li, Chi-Kwong;Plevnik, Lucijan;Šemrl, Peter | | 2012 |
Every invertible matrix is diagonally equivalent to a matrix with distinct eigenvalues. Zbl 1244.15006 Choi, Man-Duen;Huang, Zejun;Li, Chi-Kwong;Sze, Nung-Sing | | 2012 |
Maps preserving the joint numerical radius distance of operators. Zbl 1275.47013 Li, Chi-Kwong;Poon, Edward | | 2012 |
Generalized interlacing inequalities. Zbl 1253.15014 Li, Chi-Kwong;Poon, Yiu-Tung;Sze, Nung-Sing | | 2012 |
Recovery in quantum error correction for general noise without measurement. Zbl 1268.81047 Li, Chi-Kwong;Nakahara, Mikio;Poon, Yiu-Tung;Sze, Nung-Sing;Tomita, Hiroyuki | | 2012 |
Induced metric and matrix inequalities on unitary matrices. Zbl 1239.81032 Chau, H. F.;Li, Chi-Kwong;Poon, Yiu-Tung;Sze, Nung-Sing | | 2012 |
Entanglement transformation between sets of bipartite pure quantum states using local operations. Zbl 1278.81024 Chau, H. F.;Fung, Chi-Hang Fred;Li, Chi-Kwong;Poon, Edward;Sze, Nung-Sing | | 2012 |
Generalized numerical ranges and quantum error correction. Zbl 1261.47012 Li, Chi-Kwong;Poon, Yiu-Tung | | 2011 |
The automorphism group of separable states in quantum information theory. Zbl 1316.81014 Friedland, Shmuel;Li, Chi-Kwong;Poon, Yiu-Tung;Sze, Nung-Sing | | 2011 |
Higher rank numerical ranges of normal matrices. Zbl 1223.15032 Gau, Hwa-Long;Li, Chi-Kwong;Poon, Yiu-Tung;Sze, Nung-Sing | | 2011 |
Interpolation by completely positive maps. Zbl 1236.15004 Li, Chi-Kwong;Poon, Yiu-Tung | | 2011 |
Efficient quantum error correction for fully correlated noise. Zbl 1252.81044 Li, Chi-Kwong;Nakahara, Mikio;Poon, Yiu-Tung;Sze, Nung-Sing;Tomita, Hiroyuki | | 2011 |
Elliptical range theorems for generalized numerical ranges of quadratic operators. Zbl 1231.47003 Li, Chi-Kwong;Poon, Yiu-Tung;Sze, Nung-Sing | | 2011 |
Norm preservers of Jordan products. Zbl 1254.15030 Kuzma, Bojan;Lesnjak, Gorazd;Li, Chi-Kwong;Petek, Tatjana;Rodman, Leiba | | 2011 |
Permutations as product of parallel transpositions. Zbl 1237.05002 Albert, Chase;Li, Chi-Kwong;Strang, Gilbert;Yu, Gexin | | 2011 |
Evolution of unconditional dispersal in periodic environments. Zbl 1403.92189 Schreiber, Sebastian J.;Li, Chi-Kwong | | 2011 |
Least-squares approximation by elements from matrix orbits achieved by gradient flows on compact Lie groups. Zbl 1228.65059 Li, Chi-Kwong;Poon, Yiu-Tung;Schulte-Herbrüggen, Thomas | | 2011 |
Tracial numerical ranges and linear dependence of operators. Zbl 1226.47007 Kuzma, Bojan;Li, Chi-Kwong;Rodman, Leiba | | 2011 |
Spectra, norms and numerical ranges of generalized quadratic operators. Zbl 1236.47006 Li, Chi-Kwong;Poon, Yiu-Tung;Tominaga, Masaru | | 2011 |
Preservers of eigenvalue inclusion sets of matrix products. Zbl 1208.15022 Forstall, Virginia;Herman, Aaron;Li, Chi-Kwong;Sze, Nung-Sing;Yannello, Vincent | | 2011 |
A note on the realignment criterion. Zbl 1225.81014 Li, Chi-Kwong;Poon, Yiu-Tung;Sze, Nung-Sing | | 2011 |
Maps preserving the spectrum of generalized Jordan product of operators. Zbl 1185.47036 Hou, Jinchuan;Li, Chi-Kwong;Wong, Ngai-Ching | | 2010 |
Higher-rank numerical ranges and dilations. Zbl 1212.15022 Gau, Hwa-Long;Li, Chi-Kwong;Wu, Pei Yuan | | 2010 |
Numerical ranges of the powers of an operator. Zbl 1188.47006 Choi, Man-Duen;Li, Chi-Kwong | | 2010 |
Operator radii and unitary operators. Zbl 1219.47012 Ando, Tsuyoshi;Li, Chi-Kwong | | 2010 |
Sum of Hermitian matrices with given eigenvalues: inertia, rank, and multiple eigenvalues. Zbl 1188.15039 Li, Chi-Kwong;Poon, Yiu-Tung | | 2010 |
Conditions for linear dependence of two operators. Zbl 1206.47005 Kuzma, Bojan;Lešnjak, Gorazd;Li, Chi-Kwong;Petek, Tatjana;Rodman, Leiba | | 2010 |
Euclidean and circum-Euclidean distance matrices: characterizations and linear preservers. Zbl 1211.51006 Li, Chi-Kwong;Milligan, Thomas;Trosset, Michael W. | | 2010 |
Preservers of eigenvalue inclusion sets. Zbl 1232.15021 Hartman, Jim;Herman, Aaron;Li, Chi-Kwong | | 2010 |
Studying genetic code by a matrix approach. Zbl 1193.92037 Crowder, Tanner;Li, Chi-Kwong | | 2010 |
Multiplicative maps preserving the higher rank numerical ranges and radii. Zbl 1193.15025 Clark, Sean;Li, Chi-Kwong;Sze, Nung-Sing | | 2010 |
Maps preserving product \(XY -YX^*\) on factor von Neumann algebras. Zbl 1183.47031 Cui, Jianlian;Li, Chi-Kwong | | 2009 |
Condition for the higher rank numerical range to be non-empty. Zbl 1172.15014 Li, Chi-Kwong;Poon, Yiu-Tung;Sze, Nung-Sing | | 2009 |
The joint essential numerical range of operators: convexity and related results. Zbl 1178.47001 Li, Chi-Kwong;Poon, Yiu-Tung | | 2009 |
Preservers for norms of Lie product. Zbl 1181.15031 Li, Chi-Kwong;Poon, Edward;Sze, Nung-Sing | | 2009 |
Spectrum, numerical range and Davis–Wielandt shell of a normal operator. Zbl 1167.47007 Li, Chi-Kwong;Poon, Yiu-Tung | | 2009 |
Davis-Wielandt shells of normal operators. Zbl 1199.47019 Li, Chi-Kwong;Poon, Yiu-Tung | | 2009 |
Linear preservers of higher rank numerical ranges and radii. Zbl 1200.15012 Clark, Sean;Li, Chi-Kwong;Mahle, Jennifer;Rodman, Leiba | | 2009 |
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