Theorems · Theorem · dynamical systems
Function.IsFixedPt.birkhoffSum_eq
∀ {α : Type u_1} {M : Type u_2} [inst : AddCommMonoid M] {f : α → α} {x : α},
Function.IsFixedPt f x → ∀ (g : α → M) (n : ℕ), birkhoffSum f g n x = n • g x- Defined in
- Mathlib.Dynamics.BirkhoffSum.Basic
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 56 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- AddCommMonoid
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites9
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- AddCommMonoidstatement and proof · cited by 12,281
- Finset.sum_congrproof · cited by 2,323
- Finset.rangeproof · cited by 1,341
- Finset.sum_constproof · cited by 254
- Finset.card_rangeproof · cited by 108
- Function.IsFixedPtstatement and proof · cited by 84
- birkhoffSumstatement · cited by 20
- Function.IsFixedPt.eqproof · cited by 14
- Function.IsFixedPt.iterateproof · cited by 9
Cited by1
Results whose statement or proof uses this declaration.
- Function.IsFixedPt.birkhoffAverage_eqproof · cited by 1