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Ishii Lab
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A lab that explores topology and knots through mathematics.

AboutAbout the lab
Exploring topology through knot invariants
The Ishii Lab studies knot theory within topology.
On its website, the lab gives handlebody-knots, quandles, twisted Alexander invariants, and quantum invariants as research keywords.
In the Mathematics Subject Classification 2020, items such as knot theory, generalized knots, knot polynomials, and finite-type and quantum invariants are listed.
The lab belongs to the Division of Mathematics, Institute of Pure and Applied Sciences, University of Tsukuba, and its website introduces the professor as an Associate Professor.
ResearchResearch themes
The Ishii Lab studies knot theory within topology. The keywords listed on its website are handlebody-knots, quandles, twisted Alexander invariants, and quantum invariants.
View More ↗MembersFaculty
- Associate ProfessorAtsushi Ishii
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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: “Conway knot” Saung Tadashi / CC BY-SA 4.0 (cropped)
- Related lab (Tange Lab): “Knotted Mobius strip 3” Albert P. Carpenter / CC BY-SA 4.0 (cropped)
- Related lab (Kawamura Lab): “Geometry Lessons” KUHT / Public domain (cropped)
- Related lab (Ono Lab): “Surface of revolution illustration violett” W like wiki / CC BY-SA 4.0 (cropped)
- Related lab (Aiyama Lab): “Schwarz CLP Surface” Anders Sandberg / CC BY-SA 3.0 (cropped)
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