# Categories

- A
- Algebraic Curves and Surfaces
- B
- Combinatorical Geometry
- C
- Topology
- D
- Kinematics and Mechanics
- E
- Differential Geometry
- I
- Behavior of curves, surfaces, and line congruences on the infintely small scale
- II
- Lines of curvature, asymptotic lines, geodesic lines, parabolic curve
- III
- Deformation theory
- IV
- Minimal surfaces
- V
- Surfaces of constant GauÃŸ or medial curvature
- VI
- Helicoids, sliding surfaces, curves and surfaces of constant breadth
- XX
- Others
- Curvature centre point surface of the single-leaf hyperboloid
- Curvature centre point surface of the single-leaf hyperboloid
- Curvature centre point surface of the triaxial ellipsoid
- Curvature centre point surface of the triaxial ellipsoid
- Curvature centre point surface of the triaxial ellipsoid
- Curvature centre point surface
- Curvature centre point surface
- Surface
- Right-hand helix
- Left-hand helix
- Wire gauze of surfaces according to Finsterwalder
- The curve as example
- Shift planner
- Slide: Helical lines
- Slide: Mechachnical relations in case of an area deformation
- Slide: Mechachnical relations in case of an area deformation
- Slide: Mechachnical relations in case of an area deformation
- Slide: Mechachnical relations in case of an area deformation
- Slide: Mechachnical relations in case of an area deformation
- Slide: Mechachnical relations in case of an area deformation
- Slide: Mechachnical relations in case of an area deformation
- Slide: Mechachnical relations in case of an area deformation
- Slide: Mechachnical relations in case of an area deformation
- Slide: Mechachnical relations in case of an area deformation
- Slide: Mechachnical relations in case of an area deformation
- Slide: Mechachnical relations in case of an area deformation
- Slide: Mechachnical relations in case of an area deformation
- Slide: Mechachnical relations in case of an area deformation
- Slide: Mechachnical relations in case of an area deformation
- Slide: Mechachnical relations in case of an area deformation

- F
- Algebra
- G
- Analysis, Probability Theory
- H
- Theory of Functions of Complex Variables
- J
- Differential Equations, Wave Theory
- K
- Geometrical Optics
- L
- Instruments and Devices.
- M
- History of Mathematis and Astronomy
- Z
- Other