A mathematical programming approach to clusterwise regression model and its extensions. - Kin-Nam Lau; Pui Lam Leung; Ka-kit Tse (Eur. J. Oper. Res., 1999)

Estimating the city-block two-dimensional scaling model with simulated annealing. - Pui Lam Leung; Kin-Nam Lau (Eur. J. Oper. Res., 2004)

Three-factor profile analysis with GARCH innovations. - Pui Lam Leung; Wing-Keung Wong (Math. Comput. Simul., 2008)

Eigenvalue, Eigenvector and Eigenspace. - Pui Lam Leung (International Encyclopedia of Statistical Science, 2011)

An improved estimation to make Markowitz's portfolio optimization theory users friendly and estimation accurate with application on the US stock market investment. - Pui Lam Leung; Hon-Yip Ng; Wing-Keung Wong (Eur. J. Oper. Res., 2012)