**(1) Several Complex Variables and Complex Geometry**

Convener: Prof. T.-W. Ng

External Member: Prof. Y.-T. Siu (Harvard University, Distinguished Professor of HKU until 2016)

Members: Prof. N. Mok, Prof. T.-W. Ng, Dr. Z. Hua

**(2) Algebra and Number Theory**

Convener: Prof. K.-M. Tsang

External Member: Prof. Winnie Li (Distinguished Professor of Pennsylvania State University)

Members: Prof. K.-M. Tsang, Dr. Y.-K. Lau, Dr. B. Kane

(Prof. E. Zelmanov, Fields Medalist, was in this group until 2014 in the capacity of Distinguished Professor of HKU)

**(3) Geometry and Lie Groups**

Convener: Prof. J. Lu

Members: Prof. N. Mok, Prof. W.-S. Cheung, Prof. J. Lu, Dr. Z. Hua

**(4) Probability, Stochastics and Mathematical Finance**

Convener: Prof. W.-K. Ching

Associate Member: Prof. J. Yao (Department of Statistics and Actuarial Science, HKU)

Members: Prof. W.-K. Ching, Dr. S.-P. Yung, Dr. J. Song, Dr. Z. Zhang

**(5) Optimization, Computational Science and Information Theory**

Convener: Prof. W. Zang

Associate Member: Prof. H-F. Chau (Department of Physics, HKU)

Members: Prof. W. Zang, Prof. X. Yuan (Jan 2018-), Dr. G. Han, Dr. Z. Qu, Dr. Z. Zhang

**(6) Partial Differential Equations and Applications**

Convener: Dr. S.-P. Yung

Associate Member: Prof. K.-W. Chow (Department of Mechanical Engineering, HKU)

External Member: Prof. Robert Conte (École normale supérieure de Cachan, France)

Members: Prof. W.-S. Cheung, Prof. T.-W. Ng, Dr. S.-P. Yung, Dr. T.-K. Wong

**(7) Random Matrix Theory**

Convener: Dr. Y.-K. Lau

External Member: Prof. Jon Keating (Bristol University)

Associate Member: Prof. J. Yao (Department of Statistics and Actuarial Science, HKU)

Members: Prof. T.-W. Ng, Dr. Y.-K. Lau