affine

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Affine

Affine may refer to:

Affine cipher, a special case of the more general substitution cipher
Affine combination, a certain kind of constrained linear combination
Affine connection, a connection on the tangent bundle of a differentiable manifold
Affine differential geometry, a geometry that studies differential invariants under the action of the special affine group
Affine geometry, a geometry characterized by parallel lines
Affine group, the group of all invertible affine transformations from any affine space over a field K into itself
Affine logic, a substructural logic whose proof theory rejects the structural rule of contraction
Affine representation, a continuous group homomorphism whose values are automorphisms of an affine space
Affine scheme, the spectrum of prime ideals of a commutative ring
Affine space, an abstract structure that generalises the affine-geometric properties of Euclidean space
Affine transformation, a transformation that preserves the relation of parallelism between lines