Department of Statistics and Actuarial Science, HKU

Date/Time

Venue

Title

Speaker

2025
AUG 29, 2:30 p.m.	RR301	Deep learning in survival analysis	Professor Lei LIU
AUG 27, 10:30 a.m.	RR301	[Rescheduled] Regression models for reciprocity in directed graphs	Professor Chenlei LENG
AUG 25, 10:30 a.m.	RR301	High-dimensional spatial autoregression with latent factors by diversified projections	Professor Hansheng WANG
AUG 19, 10:30 a.m.	RR301	Adaptive prediction for functional time series hassan maissoro, valentin patilea & myriam vimond	Professor Valentin PATILEA
AUG 4, 2:30 p.m.	RR301	A decomposition framework for managing hybrid liabilities	Professor Daniël LINDERS
JUL 17, 10:30 a.m.	RR301	Testing and comparing factor models: A portfolio-based framework	Professor Guanhao FENG
JUN 20, 2:00 p.m.	RR301	Deep inverse problems with scarce data	Professor Angelica AVILES-RIVERO
JUN 20, 10:30 a.m.	RR301	Fisher’s randomization test for causality with general types of treatments	Dr. Zhen ZHONG
JUN 17, 10:30 a.m.	RR301	Impulse responses, vars and local projections	Dr. Keli XU
JUN 12, 2:00 p.m.	RR301	Predictive performance of power posteriors	Mr. Yann McLatchie
MAY 30, 10:30 a.m.	RR301	Large language models meet formal reasoning: The next frontier in mathematical AI	Dr. Zhenguo LI
MAY 13, 2:00 p.m.	RR301	Revisiting scalarization in multi-task learning	Dr. Han ZHAO
MAY 6, 11:00 a.m.	RR301	The ABCDE of big data - Analytics, Bias correction, Classification, Data integration and Evaluation	Dr. TAM Siu Ming
APR 11, 1:30 p.m.	RR301	Geometry, topology and 3D vision	Dr. Tolga BIRDAL
APR 9, 2:00 p.m.	RR301	Neuroai and its applications in model compression	Professor Fenglei FAN
MAR 10, 10:30 a.m.	RR301	QuadST: A robust and powerful approach for identifying cell-cell interaction changed genes on spatially resolved transcriptomics	Dr. Xiaoyu SONG
FEB 28, 9:00 a.m.	via Zoom	Quantifying the effectiveness of advertising: A bootstrap proportion test for brand lift testing	Dr. Wanjun LIU

2022
DEC 30, 10:00 a.m.	RR301	Love & Sex in the time of Robots: The ethical impact of AI robots on human relationships	Mr. Allister LEE
DEC 21, 2:30 p.m.	RR301	A class of non-elliptical probability distributions & its applications in stochastic loss reserving	Dr. Boris CHOY
DEC 8, 2:00 p.m.	RR301	Geometric deep learning – Examples on brain surfaces	Professor Hervé LOMBAERT
DEC 5, 4:00 p.m.	via Zoom	Martingale posterior distributions	Dr. Edwin FONG
NOV 30, 3:30 p.m.	RR301	Semiparametric efficient G-estimation with invalid instrumental variables	Dr. Zhonghua LIU
NOV 16, 2:00 p.m.	RR301	A consistent & robust test for autocorrelated jump occurrences	Dr. Simon KWOK
NOV 2, 9:00 a.m.	via Zoom	Random matrix theory aids statistical inference in high dimensions	Professor Alexander AUE
OCT 11, 9:00 a.m.	via Zoom	Clinical trials for AI and AI for clinical trials	Dr. James ZOU
OCT 5, 2:00 p.m.	RR301	Towards large-scale continual learning	Dr. Jiajun SHEN
AUG 10, 9:00 a.m.	via Zoom	Summary statistics knockoff inference empowers identification of putative causal variants in genome-wide association studies	Dr. Zihuai HE
AUG 8, 10:00 a.m.	RR301	Reinforcement Learning in possibly nonstationary environment	Dr. Chengchun SHI
JUL 15, 4:00 p.m.	via Zoom	Sparse models for sparse networks	Professor Chenlei LENG
JUL 7, 4:00 p.m.	via Zoom	Multiple conditional randomization tests	Dr. Qingyuan ZHAO
MAY 18, 1:00 p.m.	via Zoom	Waning immunity of the BNT162b2 vaccine and the Israeli decision on a booster campaign	Professor Yair GOLDBERG
MAY 11, 10:00 a.m.	via Zoom	No star is good news: A unified look at rerandomization based on p-values from covariate balance tests	Dr. ZHAO Anqi
APR 20, 10:00 a.m.	via Zoom	A power-robust test for global hypotheses in generalized linear models	Professor Yaowu LIU
APR 13, 9:30 a.m.	via Zoom	Interpreting p-values & confidence intervals using well-calibrated null preference priors	Dr. Michael Patrick FAY
JAN 26, 4:30 p.m.	via Zoom	Statistics meets machine learning in biomedical image analysis	Professor Lena MAIER-HEIN
JAN 19, 2:30 p.m.	RR301	[For SAAS members only] The Blockchain. A discussion of mechanics, use cases, & opportunities for data analysis	Dr. Noah SILVERMAN

2021
DEC 15, 10:30 a.m.	RR301	Fallacies of selection: Challenges in post-selection inference	Professor Ian McKeague
DEC 10, 2:30 p.m.	RR301	Generative neural networks as dependent quasi-random number generators	Dr. Marius HOFERT
NOV 3, 2:00 p.m.	RR301	[For SAAS members only] The wild world of cryptocurrency. A conceptual overview, discussion of technology, & ideas for future research	Dr. Noah SILVERMAN
OCT 20, 2:30 p.m.	via Zoom	Learning overparametrized neural networks & statistical models	Dr. Pengkun YANG
JUL 07, 2:30 p.m.	via Zoom	Multiple conditional randomization tests	Mr. Yao ZHANG
JUL 06, 3:30 p.m.	via Zoom	Learning and using causal representations	Professor Kun ZHANG
JUN 09, 2:30 p.m.	via Zoom	Statistical inference in reinforcement learning	Dr. Chengchun SHI
JUN 01, 2:30 p.m.	via Zoom	Big Data in Astronomy	Dr. Saz PARKINSON
MAY 26, 4:00 p.m.	via Zoom	Computational foundations of morphogenomics	Dr. Bianca DUMITRASCU
MAY 12, 10:00 a.m.	via Zoom	Optimal Bayesian estimation of Gaussian mixtures with growing number of components	Professor Lizhen LIN
MAY 5, 10:00 a.m.	via Zoom	Instrumental variable approaches to individualized treatment regimes under a counterfactual world	Dr. Yifan CUI
APR 14, 10:00 a.m.	via Zoom	Randomization inference beyond the sharp null: Bounded null hypotheses & quantiles of individual treatment effects	Dr. Xinran LI
APR 7, 10:00 a.m.	via Zoom	Doubly Debiased Lasso: High-dimensional inference under hidden confounding	Dr. Zijian GUO
MAR 31, 10:00 a.m.	via Zoom	Detecting multiple replicating signals using adaptive filtering procedures	Dr. Jingshu WANG
MAR 25, 10:00 a.m.	via Zoom	Debiased inverse-variance weighted estimator in two-sample summary-data mendelian randomization	Dr. Ting YE
MAR 24, 11:00 a.m.	via Zoom	Multiply robust estimation of causal effects under principal ignorability	Dr. Peng DING
MAR 24, 10:00 a.m.	via Zoom	On proximal causal inference with synthetic controls	Dr. Xu SHI
MAR 17, 9:30 a.m.	via Zoom	Efficient integration of EHR and other healthcare datasets	Dr. Rui DUAN
MAR 12, 10:00 a.m.	via Zoom	Consistent sparse deep learning: Theory and computation	Professor Faming LIANG
MAR 10, 2:30 p.m.	via Zoom	Robust estimation of high-dimensional vector autoregressive models	Dr. Di WANG

2018
DEC 28, 11:00 a.m.#	RR301	Beyond the actuary-in-the-box	Professor Mario WÜTHRICH
DEC 13, 11:00 a.m.#	RR301	On estimation of general index model for survival data	Professor Yanyuan MA
NOV 29, 11:00 a.m.#	RR301	Myth of regression analysis	Professor L.J. WEI
NOV 28, 2:30 p.m.#	RR301	Jackknife approach to the estimation of mutual information	Professor Howell TONG
OCT 31, 2:30 p.m.#	RR301	Semiparametric generalized linear models for time-series data	Dr. Thomas FUNG
OCT 31, 11:00 a.m.#	RR301	Deep learning in biology	Professor S. Joshua Swamidass
OCT 24, 2:30 p.m.#	RR301	On randomized reinsurance contracts	Professor Hansjörg ALBRECHER
OCT 11, 3:30 p.m.#	RR301	Modelling dispersed count with mean-parametrized Conway-Maxwell-Poisson (MPCMP)	Dr. Thomas FUNG
OCT 4, 2:30 p.m.#	RR301	From language understanding to language generation & beyond	Dr. Xiaodong HE
SEP 19, 2:30 p.m.#	RR301	AI powered FINTECH at WeBank	Dr. Vincent W. ZHENG
AUG 10, 11:00 a.m.#	RR301	Reduced-rank spectral classification with high-dimensional time-series data	Professor Kung-Sik CHAN
AUG 1, 10:30 a.m.#	RR301	Online bootstrap for averaged implicit SGD estimators	Professor Yixin FANG
JUL 27, 3:30 p.m.#	RR301	Dealing with nonignorable missing data	Professor Donald B. RUBIN
JUL 23, 11:00 a.m.#	RR301	Martingale difference divergence and its applications to contemporary statistics	Professor Xiaofeng SHAO
JUN 22, 11:00 a.m.#	RR301	Estimation of semiparametric copula models under missing data	Dr. Kaiji MOTEGI
JUN 21, 12:30 a.m.#	RR301	Nonlinear principal component analysis & its applications	Professor Yuichi MORI
JUN 20, 2:30 p.m.#	RR301	A deep learning perspective of recursive partitioning based methods	Professor Heping ZHANG
MAY 30, 2:30 p.m.#	RR301	The GUIDE approach to missing data	Professor Wei-Yin LOH
MAY 21, 5:00 p.m.#	RR301	Financial applications of machine learning at Man AHL	Dr. Anthony LEDFORD
MAY 10, 2:00 p.m.#	RR301	Bandits defending borders	Professor David LESLIE
MAY 8, 11:00 a.m.#	RR301	Joint Seminar by Big Data Research Cluster, Department of Physics and Department of Statistics & Actuarial Science Big Data & Artificial Intelligence applications around us	Professor Wai-Mo SUEN
MAR 8, 5:30 p.m.#	RR301	Alternative asymptotics for cointegration tests in large VARs	Dr. Chen WANG
MAR 8, 4:00 p.m.#	RR301	Change point analysis in non-stationary processes - A mass excess approach	Dr. Weichi WU
MAR 8, 2:30 p.m.#	RR301	Theoretical approaches to privacy & security issues in data analytics & networked systems	Dr. Jun ZHAO
MAR 8, 10:30 a.m.#	RR301	A unified matrix model: The largest eigenvalue & its applications	Dr. Xiao HAN
MAR 5, 5:30 p.m.#	RR301	Statistical methods for PheWAS using GWAS summary statistics & large-scale signal detection for mediation effect in EWAS	Dr. Zhonghua LIU
MAR 5, 2:30 p.m.#	RR301	Statistical methods for high-throughput genomic data	Dr. Zhixiang LIN
MAR 5, 12:00 noon#	RR301	Simulation-based Bayesian inference for models with intractable likelihood	Dr. Wentao LI
MAR 5, 10:30 a.m.#	RR301	Multiple testing meets isotonic regression for high dimensional integrative analysis	Dr. Hongyuan CAO
FEB 1, 9:30 a.m.#	RR301	50th Anniversary Seminar Series Computationally efficient tensor completion with statistical optimality	Dr. Dong XI
JAN 23, 10:30 a.m.#	RR301	50th Anniversary Seminar Series Principal component analysis for functional data on Riemannian manifolds & spheres	Mr. Xiongtao DAI
JAN 22, 10:30 a.m.#	RR301	50th Anniversary Seminar Series Network vector autoregression	Dr. Xuening ZHU
JAN 10, 4:30 p.m.#	RR301	50th Anniversary Seminar Series Statistical & computational limits for submatrix localization & sparse matrix detection	Professor Tony CAI
JAN 3, 2:00 p.m.#	RR301	50th Anniversary Seminar Series Clustering time series by dependency	Professor Daniel PEÑA

2017
DEC 27, 2:30 p.m.#	RR301	50th Anniversary Seminar Series Testing bilinear hypothesis in the growth curve model	Professor Dietrich von ROSEN
DEC 8, 11:00 a.m.#	RR301	50th Anniversary Seminar Series Financialization and society	Professor Charles S. TAPIERO
DEC 7, 11:00 a.m.#	RR301	50th Anniversary Seminar Series Statistical & relative randomness: The fractional brownian bridge & strictly stable distributions	Professor Charles S. TAPIERO & Professor Pierre VALLOIS
DEC 5, 2:30 p.m.#	RR301	50th Anniversary Seminar Series General aggregation of misspecified asset pricing models	Professor Esfandiar MAASOUMI
DEC 4, 11:00 a.m.#	RR301	50th Anniversary Seminar Series Ghost data	Professor Dennis K.J. LIN
NOV 29, 2:30 p.m.#	RR301	50th Anniversary Seminar Series On model selection from a finite family of possibly misspecified time series models	Professor Howell TONG
NOV 23, 11:00 a.m.#	RR301	50th Anniversary Seminar Series Model risk, solvency and risk aggregation	Professor Dr. Paul EMBRECHTS
NOV 22, 2:30 p.m.#	RR301	50th Anniversary Seminar Series Nonparametric recursive estimation of the derivative of the regression function with application to sea shores water quality	Professor Bernard BERCU
AUG 22, 3:00 p.m.#	RR301	50th Anniversary Seminar Series Some aspects of data analysis under confidentiality protection	Professor Bimal SINHA
AUG 7, 11:00 a.m.#	RR301	50th Anniversary Seminar Series Bayesian ideas for premium strategies	Professor Søren ASMUSSEN
JUL 21, 11:00 a.m.#	RR301	50th Anniversary Seminar Series Deep learning for medical imaging prediction	Dr. Zhili WU
JUL 18, 11:00 a.m.#	RR301	50th Anniversary Seminar Series Identifying biomarker signatures for neurodegenerative diseases from large-scale biomarker measures with network structure	Professor Yuanjia WANG
JUN 30, 11:00 a.m.#	RR301	50th Anniversary Seminar Series Hypothesis testing for weak & sparse alternatives with applications to whole genome data	Professor Xihong LIN
JUN 28, 11:00 a.m.#	RR301	50th Anniversary Seminar Series Scalable sparse regression for large medical data	Professor Gang LI
JUN 23, 2:30 p.m.#	RR301	50th Anniversary Seminar Series Optimal estimation of co-heritability in high-dimensional linear models	Professor Tony CAI
JUN 21, 2:30 p.m.#	RR301	50th Anniversary Seminar Series Estimation of time varying covariance matrices for large datasets	Professor Liudas GIRAITIS
JUN 21, 11:00 a.m.#	RR301	50th Anniversary Seminar Series Discrete-time Markov models with time-varying parameters	Dr. Lionel TRUQUET
JUN 16, 11:00 a.m.#	RR301	50th Anniversary Seminar Series The screening & ranking algorithm for change-points detection in multiple samples	Professor Heping ZHANG
JUN 14, 2:30 p.m.#	RR301	50th Anniversary Seminar Series On distribution & quantile functions in R^d a measure-transportation approach	Professor Marc HALLIN
JUN 13, 11:00 a.m.#	RR301	50th Anniversary Seminar Series Testing for weak form efficiency of stock markets	Dr. Kaiji MOTEGI
JUN 8, 2:30 p.m.#	RR301	50th Anniversary Seminar Series Statistical methods for cost-effectiveness analysis: A selected review	Professor Thomas MATHEW
JUN 2, 11:00 a.m.#	RR301	50th Anniversary Seminar Series Network cross-validation by edge sampling	Professor Ji ZHU
JUN 1, 3:30 p.m.#	RR301	50th Anniversary Seminar Series Adaptive large-scale testing under heterogeneity sparsity	Professor Guang CHENG
MAY 29, 2:30 p.m.#	RR301	50th Anniversary Seminar Series Statistical inference based on the bootstrap method under covariate adaptive randomization	Dr. Masataka TAGURI
MAY 26, 2:30 p.m.	RR301	Computing, Modeling, and Inference in Big Data Analysis	Professor Chuanhai LIU
MAY 26, 2:30 p.m.	RR301	Automated Model Building and Deep Learning	Professor Xiao WANG
MAY 26, 10:30 a.m.#	RR301	50th Anniversary Seminar Series The friendship paradox and a friendship network model	Professor Sheldon Mark ROSS
MAY 24, 2:30 p.m.#	RR301	50th Anniversary Seminar Series The power of simple statistical techniques in the era of big & complex data: Some recent examples from genetic association studies	Professor Lei SUN
MAY 19, 11:00 a.m.#	RR301	50th Anniversary Seminar Series Extreme cold winters & ecological impacts on northern forests	Professor Anthony DAVISON
MAY 10, 11:00 a.m.#	RR301	50th Anniversary Seminar Series Dimensionality reduction & variable selection in multivariate varying-coefficient models	Dr. Heng LIAN
MAY 8, 11:00 a.m.#	RR301	50th Anniversary Seminar Series Big data: It's not about big nor data, it's more about statistics (大数据: 关键不是数据大小和数据本身, 而是统计思维)	Professor Dennis K.J. LIN
APR 26, 2:30 p.m.#	RR301	50th Anniversary Seminar Series An IBNR-RBNS insurance risk model with marked poisson arrivals	Professor Andrei BADESCU
APR 19, 2:30 p.m.#	RR301	50th Anniversary Seminar Series Acceleration of empirical means	Professor Bernard DELYON
APR 11, 10:30 a.m.#	RR301	50th Anniversary Seminar Series Kriging over space & time based on a latent reduced rank structure	Professor YAO Qiwei
APR 7, 3:00 p.m.#	RR301	50th Anniversary Seminar Series Asymptotics for multidimensional & fractional poisson IBNR processes	Professor RABEHASAINA Landy
MAR 31, 11:30 a.m.#	RR301	50th Anniversary Seminar Series Efficient estimation for semiparametric structural equation models with censored data	Mr. WONG Kin Yau
MAR 31, 9:30 a.m.#	RR301	50th Anniversary Seminar Series Negative control analysis & its application to air pollution studies	Dr. MIAO Wang
MAR 29, 2:30 p.m.#	RR301	50th Anniversary Seminar Series Consistency and asymptotic normality of maximum likelihood estimators of a multiplicative time-varying smooth transition correlation garch model	Professor Timo TERÄSVIRTA
MAR 28, 2:30 p.m.#	RR301	50th Anniversary Seminar Series A statistical aspect in risk management for equity-linked insurance	Dr. Yasutaka SHIMIZU
MAR 8, 2:30 p.m.#	RR301	50th Anniversary Seminar Series Data-based nonlinear distributions under robust expectations	Professor Shige PENG
FEB 7, 2:30 p.m.#	RR301	A practical vision of the application of spatial econometrics in insurance companies	Dr. Victoria RIVAS
JAN 18, 2:30 p.m.#	RR301	Generalized phase-type distribution under Markov mixtures process	Dr. Budhi Arta SURYA

2016
DEC 14, 2:30 p.m.#	RR301	Matrix-free computations for gaussian markov random fields & related spatial processes	Dr. Debashis MONDAL
DEC 8, 11:30 a.m.#	RR301	Analysis of high-frequency spatio-temporal time series with applications	Professor Ruey S. TSAY
DEC 7, 2:30 p.m.#	RR301	Empirical balancing scores and balancing weights	Dr. Gary Kwun Chuen CHAN
DEC 5, 11:30 a.m.#	RR301	Thoughts on artificial intelligence and statistics	Professor Dawei HUANG
NOV 30, 2:30 p.m.#	RR301	Current developments in nonlinear cointegrating regression	Professor Qiying WANG
NOV 16, 2:30 p.m.#	RR301	On some properties of bivariate exponential distributions	Professor Qi Ming HE
NOV 2, 2:30 p.m.#	RR301	Policy evaluation with interactive fixed effects (joint work with Marc Chan)	Dr. Simon KWOK
OCT 19, 2:30 p.m.#	RR301	Hawkes graphs	Professor Dr. Paul Embrechts
OCT 12, 5:30 p.m.	T3, Meng Wah Complex	Pedagogical seminar The Modeling of Extremes: From Theory to Practice and Back	Professor Dr. Paul Embrechts
SEP 5, 3:30 p.m.#	RR301	Robust treatment comparison based on utilities of semi-competing risks in non-small-cell lung cancer	Professor Ying YUAN
JUL 15, 11:00 a.m.#	RR301	Lattice approximations of reflected stochastic partial differential equations driven by space-time white noise	Professor Tusheng ZHANG
JUL 6, 11:00 a.m.#	RR301	Time series models with time varying variance	Professor Valentin PATILEA
JUN 23, 4:00 p.m.#	RR301	Adaptive estimation of a planar convex set	Professor Tony CAI
JUN 8, 2:30 p.m.#	RR301	Estimation of extreme quantiles for functions of dependent random variables	Professor Qiwei YAO
MAY 31, 4:00 p.m.#	RR301	Approximations with error bounds in applied probability models: exponential & geometric approximations	Professor Mark BROWN
MAY 30, 11:30 a.m.#	RR301	Distance-weighted Support Vector Machine	Dr. Lingsong ZHANG
MAY 17, 11:30 a.m.#	RR301	A scalable approach to measuring the impact of nonignorable nonresponse with an application to EMA data	Professor Hui XIE
APR 27, 2:30 p.m.#	RR301	Statistical inference from panel data	Professor Lajos Horváth
APR 25, 10:30 a.m.#	RR301	Testing and modelling the unconditional variance component in multiplicative time-varying garch models	Professor Timo TERASVIRTA
APR 13, 2:30 p.m.#	RR301	Limiting spectral distribution for non-hermitian random matrices with a variance profile	Professor Jamal NAJIM
APR 5, 11:30 a.m.#	RR301	Extensions of the sufficient dimension reduction	Dr. JIANG Fei
MAR 31, 2:30 p.m.#	RR301	Hausman tests for the error distribution in conditionally heteroskedastic models	Dr. Ke ZHU
MAR 31, 10:30 a.m.#	RR301	Dual-time modeling and forecasting in quantitative risk management	Dr. Aijun ZHANG
FEB 19, 11:30 a.m.#	RR301	Key performance indicators and their optimal performance	Professor David STANFORD
FEB 15, 2:30 p.m.#	RR301	A parametric alternative to the Hill estimator for heavy-tailed distributions	Dr. KIM Joseph Hyun Tae
JAN 26, 10:30 a.m.#	RR301	On the predictive power of a nonlinear model	Professor LI Gang
JAN 25, 2:30 p.m.#	RR301	A practical vision of the application of copula theory to the insurance and reinsurance sector	Dr. Victoria RIVAS
JAN 20, 2:30 p.m.#	RR301	Consistent estimation for distribution-uncertainty regression via cross-sample method	Professor LIN Lu
JAN 19, 10:30 a.m.#	RR301	I got more data, my model is more refined, but my estimator is getting worse! Am i just dumb?	Professor Xiao-Li MENG
JAN 13, 27, 2:30 p.m.#, JAN 16, 9:30 a.m.# & 1:30 p.m.#	RR301	Workshop Statistical methods for time-to-event data	Professor LI Gang

Seminars