2020

Invited Talk. Pattern graphs: a graphical approach to nonmonotone missing data. (Slide, 2020, Mar.) UW Causal-missing reading group, Seattle, WA.
Invited Talk. Analyzing GPS data using density ranking. (2020, Feb.) Texas A&M University, College Station, TX
Invited Talk. Two insights from nonparametric statistics on cosmology research. (Slide, 2020, Feb.) Workshop on Statistical Methods in Astronomy, College Station, TX

2019

Invited Talk. Nonparametric Pattern-Mixture Models for Inference with Missing Data. (Slide, 2019, Nov) AMS sectional meeting special session on Data Science, Riverside, CA.
Invited Talk. Analyzing GPS data using density ranking. (2019, Sep.) George Mason University, Fairfax, VA.
Invited Talk. Analyzing Cosmic Webs using Geometric Approaches. (2019, July) University of Rome-Tor Vergata, Rome, Italy.
Invited Talk. Statistical Inference with Local Optima. (2019, June) The 3rd International Conference on Econometrics and Statistics (EcoSta 2019), National Chung Hsing University , Taichung, Taiwan.
Invited Talk. Analyzing GPS data using density ranking. (Slides, 2019, Mar.) Workshop on Functional Inference and Machine Intelligence, the Institute of Statistical Mathematics, Tokyo, Japan.
Invited Talk. Statistical Inference with Local Optima. (Slides, 2019, Mar.) AMS Spring Southeastern Sectional Meeting, Auburn University, Auburn, AL.
Invited Talk. Density Tree and Density Ranking in Singular Measures. (Slides, 2019, Feb.) Biostatistics Seminar at the Fred Hutchinson Cancer Research Center, Seattle, WA.
Invited Talk. Density Tree and Density Ranking in Singular Measures. (Slides, 2019, Jan) Statistics and Data Science: Beyond big, corrupted or missing data. University of California, San Diego, La Jolla, CA.

Invited Talk. Density Tree and Density Ranking in Singular Measures. (Slides, 2018, Mar.) The 42nd SIAM Southeastern Atlantic Sectional Conference, Chapel Hill, NC.
Invited Talk. Density Tree and Density Ranking in Singular Measures. (Slides, 2018, Jun.) The Conference on Statistical Learning and Data Science, New York City, NY.
Invited Talk. Density Tree and Density Ranking in Singular Measures. (Slides, 2018, Jun.) The IMS Asia Pacific Rim Meeting (IMS-APRM), Singapore.
Invited Talk. Analyzing Cosmic Webs using Geometric Approaches. (Slides, 2018, Jul.) 2018 IMS Annual Meeting on Probability and Statistics, Vilnius, Lithuania.
Contributed. Density Tree and Density Ranking in Singular Measures. (2018, Jul.) IMS New Researcher Meeting, Vancouver, BC.
Topic-Contributed. Analyzing Cosmic Webs Using Geometric Approaches. (2018, Aug.) 2018 Joint Statistical Meetings, Vancouver, BC.

Workshop Talk. Community Trees in Networks. (Slides, Paper, 2017, Dec) NIPS workshop “Synergies in Geometric Data Analysis”.
Seminar Talk. Analyzing GPS datasets using density ranking. (Slides, 2017, Nov.) UW CSSS seminar.
Invited Talk. Density Tree and Density Ranking in Singular Measures. (Slides, 2017, Oct.) University of Tennessee, Knoxville, TN.
Seminar Talk. Density Tree and Density Ranking in Singular Measures. (2017, Oct.) UW Machine Learning Seminar.
Introductory Talk. Geometric and Topological Data Analysis. (Slides, 2017, Sep.) Departmental orientation.
Invited Talk. Nonparametric Inference via Bootstrapping the Debiased Estimator. (Slides, 2017, Aug.) 3rd ICSA Canada Chapter Symposium, Vancouver, BC, Canada.
Contributed. Nonparametric Inference via Bootstrapping the Debiased Estimator. (2017, Aug.) Joint Statistical Meeting 2017, Baltimore, MD.

Invited Talk. Statistical Inference using Geometric Features. (Slides, 2016, Dec.) National Taiwan University, Taipei, Taiwan.
Invited Talk. Statistical Inference using Geometric Features. (Slides, 2016, Dec.) Academia Sinica, Taipei, Taiwan.
Invited Talk. Asymptotic Theory for Density Ridges. (2016, Aug.) 2016 International Indian Statistical Association Conference, Oregon State University, Corvallis, OR.
Invited Talk. Nonparametric Methods for Detecting Large-Scale Structure. (2016, Aug.) Joint Statistical Meeting, Chicago, IL.
Contributed. Cosmic Web Reconstruction through Density Ridges. (2016, June) Statistical Challenges in Modern Astronomy VI, Pittsburgh, PA.
Contributed. Cosmic Web Reconstruction through Density Ridges. (Slides, 2016, May) Statistical Challenges in 21st Century Cosmology, Chania, Greece.
Invited Talk. Statistical Inference using Geometric Features. (Slides, 2016)

Invited Talk. Statistical Inference using Geometric Features. (2015, Dec.) INRIA-Saclay, Palaiseau, France.
Invited Talk. Statistical Inference using Geometric Features. (2015, Dec.) Pierre and Marie Curie University (UPMC Paris 6), Paris, France.
Invited Talk. Asymptotic Theory for Density Ridges. (Slides, 2015, Dec.) 8th International Conference of the ERCIM WG on Computational and Methodological Statistics, University of London, London, UK.
Invited Talk. Asymptotic Theory for Density Ridges. (Slides, 2015, Nov.) AMS Fall Eastern Sectional Meeting, Rutgers University, New Brunswick, NJ.
Seminar Talk. Cosmic Web Reconstruction from Density Ridges. (Slides, 2015, Sep.) University of Pittsburgh, Pittsburgh, PA.
Contributed. Nonparametric Modal Regression. (Slides, 2015, Aug.) Joint Statistical Meeting, Seattle, WA.
Invited Talk. Cosmic Web Reconstruction through Density Ridges. (Slides, 2015, Jun.) Academia Sinica Institute of Astronomy and Astrophysics, Taiwan.
Invited Talk. Statistical Inference for Shards. (Slides, 2015, May) National Taiwan University, Taiwan.
Seminar Talk. Cosmic Web Reconstruction from Density Ridges. (Slides, 2015, Feb.) Carnegie Mellon University, Pittsburgh, PA.
Seminar Talk. Nonparametric Modal Regression. (2015, Jan.) Carnegie Mellon University, Pittsburgh, PA.

Topic-Contributed. Filament Estimation and Uncertainty Measures. (2014, Aug.) Joint Statistical Meeting, Boston, MA.
Invited Talk. Enhanced Mode Clustering. (Slides, 2014, May) National Taiwan University, Taiwan.

Invited Talk. Filament Estimation and Uncertainty Measures. (2013, May) National Taiwan University, Taiwan.