Mathlib Map

Theorems · Definition · dynamical systems

Dynamics.coverEntropyInf

{X : Type u_1} → [UniformSpace X] → (X → X) → Set X → EReal

The entropy of T restricted to F, obtained by taking the supremum of coverEntropyInfEntourage over entourages. Note that this supremum is approached by taking small entourages. This second version uses a liminf, and is chosen as an alternative definition for topological entropy.

Defined in
Mathlib.Dynamics.TopologicalEntropy.CoverEntropy
Cited by
18 results in Mathlib
Foundations
Depth 172 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
UniformSpace

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Dynamics.coverEntropyInf_monotone · cited by 3Dynamics.coverEntropyInf_…Dynamics.coverEntropyInfEntourage_le_coverEntropyInf · cited by 2Dynamics.coverEntropyInfE…Dynamics.coverEntropyInf_eq_iSup_netEntropyInfEntourage · cited by 2Dynamics.coverEntropyInf_…Dynamics.coverEntropyInf_image_of_comap · cited by 2Dynamics.coverEntropyInf_…Dynamics.coverEntropyInf_le_coverEntropy · cited by 2Dynamics.coverEntropyInf_…Dynamics.coverEntropyInf_antitone · cited by 1Dynamics.coverEntropyInf_…Dynamics.coverEntropyInf_image_le_of_uniformContinuous · cited by 1Dynamics.coverEntropyInf_…Dynamics.coverEntropyInf_nonneg · cited by 1Dynamics.coverEntropyInf_…Dynamics.coverEntropyInf_restrict_subset · cited by 1Dynamics.coverEntropyInf_…Dynamics.coverEntropyInf_biUnion_le · cited by 0Dynamics.coverEntropyInf_…Dynamics.coverEntropyInf_closure · cited by 0Dynamics.coverEntropyInf_…Dynamics.coverEntropyInf_empty · cited by 0Dynamics.coverEntropyInf_…Dynamics.coverEntropyInf_eq_coverEntropy · cited by 0Dynamics.coverEntropyInf_…Dynamics.coverEntropyInf_eq_iSup_basis · cited by 0Dynamics.coverEntropyInf_…Dynamics.coverEntropyInf_eq_iSup_basis_netEntropyInfEntourage · cited by 0Dynamics.coverEntropyInf_…Set · cited by 53352SetiSup · cited by 2415iSupUniformSpace · cited by 2040UniformSpaceEReal · cited by 793ERealuniformity · cited by 765uniformityDynamics.coverEntropyInfEntourage · cited by 15Dynamics.coverEntropyInfE…Dynamics.coverEntropyInfCITED BYCITES

Cites6

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by18

Results whose statement or proof uses this declaration.