4 papers
Exploration Enhancement of Nature-Inspired Swarm-based Optimization Algorithms
Kwok Pui Choi, Enzio Hai Hong Kam, Tze Leung Lai +2
Nature-inspired swarm-based algorithms have been widely applied to tackle high-dimensional and complex optimization problems across many disciplines. They are general purpose optim…
On asymptotic joint distributions of cherries and pitchforks for random phylogenetic trees
Kwok Pui Choi, Gursharn Kaur, Taoyang Wu
Tree shape statistics provide valuable quantitative insights into evolutionary mechanisms underpinning phylogenetic trees, a commonly used graph representation of evolution systems…
On cherry and pitchfork distributions of random rooted and unrooted phylogenetic trees
Kwok Pui Choi, Ariadne Thompson, Taoyang Wu
Tree shape statistics are important for investigating evolutionary mechanisms mediating phylogenetic trees. As a step towards bridging shape statistics between rooted and unrooted…
Limit theorems for functions of marginal quantiles
G. Jogesh Babu, Zhidong Bai, Kwok Pui Choi +1
Multivariate distributions are explored using the joint distributions of marginal sample quantiles. Limit theory for the mean of a function of order statistics is presented. The re…