Assistant Professor
Department of Electrical Engineering
Graduate Institute of Communication Engineering
National Taiwan University
Email: [email protected]
How to pronounce my name (click the triangle button to play)
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My interests are in information theory and coding theory. Working on polar codes (wireless communication), group testing (with many downstream applications including heavy hitter, compressed sensing, and multiple access channels), regenerating codes (cloud storage), distributed matrix multiplication (cloud computation), and DNA digital data storage (archival storage). I specialize in finding applications of algebra, combinatorics, calculus, probability theory, and other mathematical tools to said topics.
I tend to put too many TikZ figures in my papers. Check out the following links for those figures and some comments. See also TikZ TeX Talk for techniques that are too fancy for papers and figure in arXiv abstract.
Polar codes (x8)
Group testing (x3)
Distributed storage (x2)
A project ran on a super computer
Ph.D. in Mathematics
Dissertation
(better-looking
single-spacing version and
defense slides)
Advisor =
Iwan Duursma
University of Illinois Urbana-Champaign
September 2016– August 2021
B.Sc. in Mathematics
National Taiwan University (國立臺灣大學)
September 2011–June 2015
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2008–2011
Assistant Professor
Department of Electrical Engineering
National Taiwan University (國立台灣大學)
August 2024–
Visitor
University of Maryland, College Park
Summer 2024
Apple Research Fellow
Simons Institute for the Theory of Computing
January–May 2024
(Polar code tutorial:
video1,
video2, and
slides.)
(Group testing:
new result and
big picture.)
Visitor
Duke University
Winter 2022
(A talk on distributed matrix multiplication:
Slides.)
Postdoctoral Scholar
Supervisor =
Venkatesan Guruswami
Department of Electrical Engineering and Computer Sciences
University of California, Berkeley
October 2022–December 2023
Visitor
National Taiwan University (國立台灣大學)
Summer 2022
(A short lecture on
polar codes.)
Postdoctoral Scholar
Supervisors =
Alexander Vardy +
Ryan Gabrys
Department of Electrical and Computer Engineering
University of California San Diego
October 2021–September 2022
Visitor
National Center for Theoretical Sciences (國家理論科學研究中心)
Winter 2020 & Summer 2023
Teaching at
a remote school
as a substitution to the mandatory military service.
September 2015–August 2016
Research Assistant Fellowship
Spring 2020
Teacher ranked as excellent by their students
Fall 2019 & Spring 2019 & Spring 2018
理學院院長獎 (Dean’s List #2 when graduation)
2015
書卷獎 (top 5% GPA)
Fall 2015 & Spring 2014 & Spring 2013 & Fall 2012 & Spring 2012 & Fall 2011
蕭正堂紀念獎學金
(Prof. Cheng-Tang Hsiao Memorial Scholarship)
2014
胡達開先生紀念獎學金
(Prof. Ta-Kai Hu Memorial Scholarship)
2013
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2011 & 2009
H.-P. Wang, R. Gabrys, A. Vardy. Tropical Group Testing. IEEE Transactions on Information Theory. September 2023. (Preprint.)
H.-P. Wang, T.-C. Lin, A. Vardy, R. Gabrys. Sub-4.7 Scaling Exponent of Polar Codes. IEEE Transactions on Information Theory. July 2023. (Preprint.)
I. Duursma, H.-P. Wang. Multilinear Algebra for Minimum Storage Regenerating Codes: A Generalization of Product-Matrix Construction. Applicable Algebra in Engineering, Communication and Computing. October 2021. (Author copy and Preprint.)
I. Duursma, X. Li, H.-P. Wang. Multilinear Algebra for Distributed Storage. SIAM Journal on Applied Algebra and Geometry (SIAGA). September 2021. (Preprint, a 15-minute video presentation, and slides @ SIAM AG21.)
H.-P. Wang, I. Duursma. Log-logarithmic Time Pruned Polar Coding. IEEE Transactions on Information Theory. March 2021. (Preprint and Predecessor.)
H.-P. Wang, I. Duursma. Polar Codes’ Simplicity, Random Codes’ Durability. IEEE Transactions on Information Theory. March 2021. (Slides @ NTU and slides @ UIUC and slides @ Princeton.)
V. Guruswami, H.-P. Wang. Capacity-Achieving Gray Codes International Conference on Randomization and Computation (RANDOM). August 2024, London, UK. (Timelapse1 and Timelapse2.)
H.-P. Wang, C.-W. Chin. On Counting Subsequences and Higher-Order Fibonacci Numbers. IEEE International Symposium on Information Theory (ISIT). July 2024, Athens, Greece. (Preprint and slides and framed slides in a Minecraft map of Acropolis.)
H.-P. Wang, V. Guruswami. Successive Cancellation Sampling Decoder: An Attempt to Analyze List Decoding Theoretically. IEEE International Symposium on Information Theory (ISIT). July 2024, Athens, Greece. (Preprint and slides)
H.-P. Wang, V. Guruswami. Isolate and then Identify: Rethinking Adaptive Group Testing. IEEE International Symposium on Information Theory (ISIT). July 2024, Athens, Greece. (Preprint.)
H.-P. Wang, R. Gabrys, V. Guruswami. Quickly-Decodable Group Testing with Fewer Tests: Price-Scarlett’s Nonadaptive Splitting with Explicit Scalars. IEEE International Symposium on Information Theory (ISIT). June 2023, Taipei, Taiwan. (Preprint and Slides.)
H.-P. Wang, C.-W. Chin. Density Devolution for Ordering Synthetic Channels. IEEE International Symposium on Information Theory (ISIT). June 2023, Taipei, Taiwan. (Preprint and 4-in-1 slides.)
T.-C. Lin, H.-P. Wang. Optimal Self-Dual Inequalities to Order Polarized BECs. IEEE International Symposium on Information Theory (ISIT). June 2023, Taipei, Taiwan. (Preprint and 4-in-1 slides.)
H.-P. Wang, V. Guruswami. How Many Matrices Should I Prepare to Polarize Channels Optimally Fast?. IEEE International Symposium on Information Theory (ISIT). June 2023, Taipei, Taiwan. (Preprint and 4-in-1 slides.)
H.-P. Wang, V.-F. Dragoi. Fast Methods for Ranking Synthetic BECs. IEEE International Symposium on Information Theory (ISIT). June 2023, Taipei, Taiwan. (Preprint and 4-in-1 slides.)
I. Duursma, R. Gabrys, V. Guruswami, T.-C. Lin, H.-P. Wang. Accelerating Polarization via Alphabet Extension. International Conference on Randomization and Computation (RANDOM). September 2022, virtual. (Full version and 7-minute animation.)
H.-P. Wang, R. Gabrys, A. Vardy. PCR, Tropical Arithmetic, and Group Testing. IEEE International Symposium on Information Theory (ISIT). June 2022, Helsinki, Finland. (Full version and slides.)
How to Speak Tensor. International AMS-UMI Joint Meeting. July 2024, Palermo, Italy. (Slides.)
Geno-Weaving: Low-Complexity Capacity-Achieving Data Storage on DNA. Coding Theory and Algorithms for DNA-based Data Storage (ISIT2024 Satellite Workshop). July 2024, Athens, Greece. (Timelapse and slides.)
GenoWeave: Interleaving Polar Codes Across Strands for DNA Data Storage. Information Theory and Applications Workshop (ITA). February 2024, San Diego, California. (Slides.)
Channel Manipulation as a Coding Technique. Joint Mathematics Meetings (JMM). January 2024, San Francisco, California. (Slides.)
Moulin Codes. SIAM Conference on Applied Algebraic Geometry (AG21). August 2021, virtual. (Slides.)
Jury
2024 International Mathematics Competition (InIMC)
(九章’s Archive)
2023 International Mathematics Competition (BIMC)
(九章’s Archive)
2022 International Mathematics Competition (IIMC)
(九章’s Archive)
2022 International Young Mathematicians Convention (IYMC)
(Website)
2016 International Mathematics Competition (TIMC)
(九章’s Archive)
2012 International Mathematics Competition (TAIMC)
(九章’s Archive)
Team Leader
2015 International Mathematics Competition (CIMC)
(九章’s Archive)
I maintain a LaTeX package snaptodo.
TikZ TeX Talk collects some of my ideas for (La)TeX and TikZ.
Oriclip is about binder clip sculptures.
(Data plan warning: a lot of photos!)
Theoretico Factorio: a game about automation and logistic.
薩爾達傳說·曠野之息的中、外文資料
薩爾達傳說·王國之淚的中、外文資料
Vaseman is about drawings of people that look like vases.
(Data plan warning: scans of drawings!)