Progress

Differential operator

Orbifold

Parallel curve

A parallel of a curve is the envelope of a family of congruent circles centered on the curve.

Affine connection

Atlas (topology)

In mathematics, particularly topology, one describes a manifold using an atlas.

Complex manifold

Maurer–Cartan form

Sphere

Symmetry (physics)

Tangent

Tensor field

Differential geometry of curves

Directional derivative

Arthur Besse

Shape of the universe

Whitney embedding theorem

Multivector

A multivector is the result of a product defined for elements in a vector space V.

Covariant transformation

Connection form

Teichmüller space

Conformal geometry

Projective connection

Riemannian connection on a surface

Principal bundle

Hermitian symmetric space

Cayley's ruled cubic surface

In differential geometry, Cayley's ruled cubic surface is the surface

Torsion tensor

Generalized flag variety

Ricci calculus

Isotropic manifold

Weitzenböck identity

Clairaut's relation