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Theory of Computation Lab (Holger Thies)
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A lab that uses the theory of computation and formal proofs to examine both the difficulty and the correctness of numerical computation.

AboutAbout the lab
Computing continuous mathematics correctly.
From the standpoint of the theory of computation and mathematical logic, the Thies Lab investigates the difficulty (complexity) of numerical computation and of problems in continuous mathematics.
It studies how far concrete problems such as differential equations, dynamical systems, and computational geometry can be computed, and how much effort they require.
Undergraduates are assigned to the Division of Mathematical and Information Sciences and carry out graduation research there (for graduate students, this is the Division of Mathematical and Information Sciences in the Department of Human and Environmental Studies, Graduate School of Human and Environmental Studies).
Key terms
- Verified numerical computation
- Computation in which a computer's result comes with a mathematically guaranteed bound on its error
- Proof assistant
- Software for checking, step by step on a computer, the correctness of mathematical proofs and programs
ResearchResearch themes
The lab generalizes discrete models of computational complexity to study the computability and complexity of problems in continuous mathematics. It is also interested in implementing verified numerical computation.
View More ↗MembersFaculty
- Associate ProfessorTHIES Holger
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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: “Coq plus comm screenshot” Hugo Herbelin / CC BY-SA 3.0 (cropped)
- Proving Real-Number Algorithms Correct: “Real number line” User:Phrood~commonswiki / Public domain (cropped)
- Related lab (Mathematical Logic Lab (Matthew Debrecht)): “Cantor set radial phoenix” Cmglee / CC BY-SA 4.0 (cropped)
- Related lab (Morinari Condensed Matter Theory Lab): “Tile levitates by Meissner effect” Garrett Pennell / CC BY-SA 3.0 (cropped)
- Related lab (Adachi Lab): “Interference of Waves” Psgs123xyz / Public domain (cropped)
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