thingsaurus
This is a 'thesaurus for things' or similarity engine: results show things that have something in common with what you enter. The more stars, the more things in common! You can use it for research, recommendations or simply to explore ideas and related subjects.
Here are your results for SL2(R)...
Stars indicate closer matches.
Point at infinity 
- Margulis lemma
- Laguerre transformations
- Möbius transformation
- Projective linear group
- Projective orthogonal group
- Hesse's principle of transfer
- Affine group
- Group analysis of differential equations
- Heisenberg group
- Lorentz group
- No small subgroup
- P-compact group
- Principal homogeneous space
- Representation ring
- Schottky group
- Hyperbolic geometry
- Angle of parallelism
- Angular defect
- Anosov diffeomorphism
- Apollonian gasket
- Apollonian sphere packing
- Arithmetic Fuchsian group
- Arithmetic hyperbolic 3-manifold
- Band model
- Beltrami–Klein model
- Bryant surface
- Carathéodory metric
- Complex geodesic
- Constructions in hyperbolic geometry
- Coordinate systems for the hyperbolic plane
- Crocheting Adventures with Hyperbolic Planes
- Cusp neighborhood
- Double limit theorem
- Earthquake map
- Ending lamination theorem
- Fuchsian group
- Fuchsian model
- Geometric finiteness
- Geometric topology (object)
- The geometry and topology of three-manifolds
- Gieseking manifold
- Hyperbolic geometric graph
- Gyrovector space
- Hilbert's arithmetic of ends
- Hilbert's theorem (differential geometry)
- Hjelmslev transformation
- Horocycle
- Horosphere
- Hyperbolic 3-manifold
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