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Geometry 1 (Low-Dimensional Topology, Gauge Theory) Lab
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The lab studies 4-manifolds using gauge theory and Floer theory.

AboutAbout the lab
Telling apart the shapes of four dimensions with gauge theory
Prof. Taniguchi's lab studies smooth structures on 4-manifolds in the field of low-dimensional topology.
The lab uses gauge theory, Floer theory, Floer homotopy types, Donaldson invariants, and Seiberg-Witten invariants.
Diffeomorphism groups and knots are also research themes.
Key terms
- Gauge theory
- A theory that studies the properties of shapes (manifolds) using equations that arose from field theory in physics
- Floer theory
- A theory that counts solutions of equations to construct invariants of 3- and 4-dimensional shapes
- Smooth structure
- The structure that determines how smoothness (differentiation) is defined on a shape
ResearchResearch themes
The lab studies smooth structures on 4-manifolds using gauge theory and Floer theory.
View More ↗MembersFaculty
- Associate ProfessorMasaki Taniguchi
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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: “Superfície não orientável - Bordo trifólio” Object made by MockUp Company, photo by Rodrigo.Argenton / CC BY-SA 4.0 (cropped)
- Surface knots and gauge theory: “Borromean Seifert surface” Accelerometer / CC BY-SA 3.0 (cropped)
- Related lab (Geometry 1 and Analysis 2 (Topology, Operator Algebras) Lab (Kubota)): “Topological insulator band structure” A13ean / CC BY-SA 4.0 (cropped)
- Related lab (Algebra 2 and Geometry 2 Lab (Complex Geometry, Algebraic Geometry, Differential Geometry; Kenichi Yoshikawa)): “Espace de Calabi-Yau” Rogilbert / Public domain (cropped)
- Related lab (Geometry 1 Lab (Topology; Tadayuki Watanabe)): “Borromean Rings Illusion” Jim.belk / Public domain (cropped)
- Related lab (Algebra 2 (Algebraic Geometry) Lab (Osamu Fujino)): “Sarti's octic with 144 nodes” Salix alba / CC BY-SA 4.0 (cropped)
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