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Miao Lab
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A lab that explores information security and communications through combinatorics and coding theory.
AboutAbout the lab
Thinking about information security through codes and combinatorics.
The Miao Lab studies problems in information security, group testing, and related areas, centered on combinatorics and coding theory.
Its research subjects include digital fingerprinting, identifying the positions of nonzero entries in sparse vectors, repairable codes, and frequency-hopping sequences.
On the official page of the College of Policy and Planning Sciences, the lab's specialty is described as "information security, group testing, coding theory, and combinatorial design theory."
In the University of Tsukuba researcher directory, the research field is listed as basic mathematics and applied mathematics.
Key terms
- Combinatorics
- A branch of mathematics that studies the properties of ways of arranging and combining objects, through counting and construction
- Coding theory
- A field that uses mathematics to study methods of adding redundancy to information so that it can be recovered even when errors or missing parts occur
- Group testing
- A field that studies methods for finding the relevant items among many using pooled tests, with only a small number of tests
ResearchResearch themes
Building on combinatorics, the lab treats problems in coding theory and information security mathematically. Focusing on digital fingerprinting, group testing, repairable codes, and frequency-hopping sequences, it investigates the existence and construction of codes.
*Illustrative imageCodes for Tracing Traitors
The lab studies codes used for digital fingerprinting and algorithms for identifying dishonest users who committed misconduct. In a jointly authored paper, it also investigates the existence and construction of codes that use list decoding.
*Illustrative imageGroup Testing and Identifying Nonzero Positions
In joint research, the lab examines matrices used in group testing from the viewpoint of list decoding. It also works on codes and decoding methods that identify the positions of the nonzero entries of a sparse vector from inexact linear measurements.
*Illustrative imageRepairable Codes
As joint research, the lab theoretically studies repair schemes for codes, focusing on locally repairable codes and Tamo-Barg codes.
*Illustrative imageConstructing Frequency-Hopping Sequences
In a co-authored paper, the lab works on constructing optimal frequency-hopping sequences used in communications, using the method of generalized cyclotomy.
MembersFaculty
- ProfessorYing Miao
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Binary-code” Graph+sas / CC BY-SA 4.0 (cropped)
- Codes for Tracing Traitors: “Visible digital watermarking” 作者不詳 / Public domain (cropped)
- Group Testing and Identifying Nonzero Positions: “Clinical Pathology Blood Testing Laboratory in Navi Mumbai, India” Goleisureintl / CC BY 4.0 (cropped)
- Repairable Codes: “Object Storage Server” WikiTapeUser / CC BY-SA 4.0 (cropped)
- Constructing Frequency-Hopping Sequences: “Wireless Mast, Woodcock Hill, Sandridge - geograph.org.uk - 1272140” Chris Reynolds / CC BY-SA 2.0 (cropped)
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