Eigenvalues, singular values, and Littlewood-Richardson coefficients S Fomin, W Fulton, CK Li, YT Poon American Journal of Mathematics 127 (1), 101-127, 2005 | 83 | 2005 |

Convexity of the joint numerical range CK Li, YT Poon SIAM Journal on Matrix Analysis and Applications 21 (2), 668-678, 2000 | 83 | 2000 |

A remark on the convexity and positive definiteness concerning Hermitian matrices YH Au-Yeung, YT Poon Southeast Asian Bull. Math 3 (2), 85-92, 1979 | 79 | 1979 |

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 | 74 | 2009 |

Another proof of a result of Westwick YT Poon Linear and Multilinear Algebra 9 (1), 35-37, 1980 | 74 | 1980 |

Triangular AF algebras JR Peters, YT Poon, BH Wagner Journal of Operator Theory, 81-114, 1990 | 71 | 1990 |

The automorphism group of separable states in quantum information theory S Friedland, CK Li, YT Poon, NS Sze Journal of Mathematical Physics 52 (4), 2011 | 54 | 2011 |

Generalized numerical ranges and quantum error correction CK Li, YT Poon Journal of Operator Theory, 335-351, 2011 | 52 | 2011 |

Revenue management: resolving a revenue optimization paradox TSM Tse, Y Tung Poon International Journal of Contemporary Hospitality Management 24 (4), 507-521, 2012 | 48 | 2012 |

3× 3 orthostochastic matrices and the convexity of generalized numerical ranges YH Au-Yeung, YT Poon Linear Algebra and its Applications 27, 69-79, 1979 | 47 | 1979 |

Interpolation by completely positive maps CK Li, YT Poon Linear and Multilinear Algebra 59 (10), 1159-1170, 2011 | 45 | 2011 |

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 | 45 | 2008 |

Analyzing the use of an advance booking curve in forecasting hotel reservations TSM Tse, YT Poon Journal of Travel & Tourism Marketing 32 (7), 852-869, 2015 | 44 | 2015 |

Pseudospectra of special operators and pseudospectrum preservers J Cui, CK Li, YT Poon Journal of Mathematical Analysis and Applications 419 (2), 1261-1273, 2014 | 37 | 2014 |

Davis-Wielandt shells of operators CK Li, YT Poon, NS Sze Oper. Matrices 2 (3), 341-355, 2008 | 34 | 2008 |

Subnormality of Bergman-like weighted shifts RE Curto, YT Poon, J Yoon Journal of mathematical analysis and applications 308 (1), 334-342, 2005 | 34 | 2005 |

Discontinuity of maximum entropy inference and quantum phase transitions J Chen, Z Ji, CK Li, YT Poon, Y Shen, N Yu, B Zeng, D Zhou New Journal of Physics 17 (8), 083019, 2015 | 32 | 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 | 32 | 2011 |

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, 2011 | 32 | 2011 |

A 𝐾-theoretic invariant for dynamical systems YT Poon Transactions of the American Mathematical Society 311 (2), 515-533, 1989 | 32 | 1989 |