Theorems · Inductive type · convex and discrete geometry
Convexity.IsAffineMap
(R : Type u_1) →
{M : Type u_3} →
{N : Type u_4} →
[inst : PartialOrder R] →
[inst_1 : Semiring R] →
[inst_2 : IsStrictOrderedRing R] → [Convexity.ConvexSpace R M] → [Convexity.ConvexSpace R N] → (M → N) → PropA map between convex spaces is affine if it preserves convex combinations.
TODO: Show that this generalises affine maps between affine spaces, see AffineMap.
- Defined in
- Mathlib.Geometry.Convex.ConvexSpace.Defs
- Cited by
- 33 results in Mathlib
- Foundations
- Depth 3 from the axioms · uses no axioms
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites4
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Semiringstatement · cited by 13,802
- PartialOrderstatement · cited by 6,410
- IsStrictOrderedRingstatement · cited by 2,490
- Convexity.ConvexSpacestatement · cited by 176
Cited by40
Results whose statement or proof uses this declaration.
- Convexity.IsAffineMap.map_convexCombPairstatement and proof · cited by 8
- Convexity.IsAffineMap.map_iConvexCombstatement and proof · cited by 7
- Convexity.IsAffineMap.map_sConvexCombstatement and proof · cited by 5
- Prod.isAffineMap_fststatement · cited by 4
- Prod.isAffineMap_sndstatement · cited by 4
- Convexity.IsStarConvexSet.imagestatement and proof · cited by 3
- Finsupp.isAffineMap_evalstatement · cited by 2
- Pi.isAffineMap_evalstatement · cited by 2
- Convexity.isAffineMap_subtypeValstatement · cited by 2
- Convexity.IsAffineMap.addstatement and proof · cited by 2
- Convexity.IsAffineMap.map_sum_weightsstatement and proof · cited by 2
- Convexity.IsAffineMap.negstatement and proof · cited by 2