### Geometry

- General Geometry
- Euclidean Geometry
- Analytic Geometry
- Algebraic Geometry
- Line Geometry
- Natural Geometry
- Affine Geometry
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- Projective Geometry
- Projective Differential Geometry
- Non-Euclidean Geometry
- Conics and Quadrics
- Transformation Geometry
- Differential Geometry
- Differential Forms
- Differentiable Manifolds
- Riemannian Geometry
- Clifford/Geometric Algebra
- Spinor Algebra
- Kinematic Geometry
- Number Geometry
- Continuous Geometry
- Discrete Geometry
- Fractal Geometry
- Elementary Geometry
- Popular Geometry
- Symmetry
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- New Developments
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